Start Task 2

2025.02.14/01Ex/Makefile

@@ -29,7 +29,7 @@ CFLAGS = -mfpmath=sse \
 		 -c
 
 all: main.o array.o
-	gcc main.o array.o -lssp && del *.o
+	gcc main.o array.o  && rm *.o
 
 main.o: main.c
 	gcc $(CFLAGS) main.c

2025.02.14/02Ex/Makefile

@@ -29,7 +29,7 @@ CFLAGS = -mfpmath=sse \
 		 -c
 
 all: main.o array.o
-	gcc main.o array.o -lssp && del *.o
+	gcc main.o array.o  && rm *.o
 
 main.o: main.c
 	gcc $(CFLAGS) main.c

2025.02.14/03Ex/Makefile

@@ -29,7 +29,7 @@ CFLAGS = -mfpmath=sse \
 		 -c
 
 all: main.o array.o
-	gcc main.o array.o -lssp && del *.o
+	gcc main.o array.o  && rm *.o
 
 main.o: main.c
 	gcc $(CFLAGS) main.c

2025.02.14/04Ex/Makefile

@@ -29,7 +29,7 @@ CFLAGS = -mfpmath=sse \
 		 -c
 
 all: main.o array.o
-	gcc main.o array.o -lssp && del *.o
+	gcc main.o array.o  && rm *.o
 
 main.o: main.c
 	gcc $(CFLAGS) main.c

2025.02.14/06Ex/Makefile

@@ -29,7 +29,7 @@ CFLAGS = -mfpmath=sse \
 		 -c
 
 all: main.o array.o
-	gcc main.o array.o -lssp && del *.o
+	gcc main.o array.o  && rm *.o
 
 main.o: main.c
 	gcc $(CFLAGS) main.c

2025.02.14/07Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a07.exe: main.o solve.o
-	gcc main.o solve.o -o a07.exe -lssp
+a07.out: main.o solve.o
+	gcc main.o solve.o -o a07.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -10,4 +10,4 @@ solve.o: solve.c
 	gcc $(FLAGS) -c solve.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.14/08Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a08.exe: main.o solve.o
-	gcc main.o solve.o -o a08.exe -lssp
+a08.out: main.o solve.o
+	gcc main.o solve.o -o a08.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -10,4 +10,4 @@ solve.o: solve.c
 	gcc $(FLAGS) -c solve.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.14/09Ex/Makefile

@@ -29,7 +29,7 @@ CFLAGS = -mfpmath=sse \
 		 -c
 
 all: main.o array.o
-	gcc main.o array.o -lssp && del *.o
+	gcc main.o array.o  && rm *.o
 
 main.o: main.c
 	gcc $(CFLAGS) main.c

2025.02.21/01Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a01.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a01.exe -lssp
+a01.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a01.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.21/02Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a02.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a02.exe -lssp
+a02.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a02.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.21/03Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a03.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a03.exe -lssp
+a03.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a03.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.21/04Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a04.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a04.exe -lssp
+a04.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a04.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.21/05Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a05.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a05.exe -lssp
+a05.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a05.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.21/06Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a06.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a06.exe -lssp
+a06.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a06.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.21/07Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a07.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a07.exe -lssp
+a07.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a07.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.21/08Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a08.exe: main.o array.o solve.o
-	gcc main.o solve.o array.o -o a08.exe -lssp
+a08.out: main.o array.o solve.o
+	gcc main.o solve.o array.o -o a08.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -13,4 +13,4 @@ array.o: array.c
 	gcc $(CFLAGS) -c array.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/01Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a01.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a01.exe -lssp
+a01.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a01.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/02Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a02.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a02.exe -lssp
+a02.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a02.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/03Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a03.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a03.exe -lssp
+a03.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a03.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/04Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a04.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a04.exe -lssp
+a04.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a04.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/05Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a05.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a05.exe -lssp
+a05.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a05.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/06Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a06.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a06.exe -lssp
+a06.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a06.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/07Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a07.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a07.exe -lssp
+a07.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a07.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/08Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a08.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a08.exe -lssp
+a08.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a08.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.02.28/09Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a09.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a09.exe -lssp
+a09.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a09.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/01Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a01.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a01.exe -lssp
+a01.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a01.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/02Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a02.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a02.exe -lssp
+a02.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a02.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/03Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a03.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a03.exe -lssp
+a03.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a03.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/04Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a04.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a04.exe -lssp
+a04.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a04.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/05Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a05.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a05.exe -lssp
+a05.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a05.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/06Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a06.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a06.exe -lssp
+a06.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a06.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/07Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a07.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a07.exe -lssp
+a07.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a07.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/08Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a08.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a08.exe -lssp
+a08.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a08.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/09Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a09.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a09.exe -lssp
+a09.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a09.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/10Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a10.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a10.exe -lssp
+a10.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a10.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.07/Example/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a08.exe: main.o array.o solve.o sort.o
-	gcc main.o solve.o array.o sort.o -o a08.exe -lssp
+a08.out: main.o array.o solve.o sort.o
+	gcc main.o solve.o array.o sort.o -o a08.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ sort.o: sort.c
 	gcc $(CFLAGS) -c sort.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/01Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a01.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a01.exe -lssp
+a01.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a01.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/02Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a02.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a02.exe -lssp
+a02.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a02.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/03Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a03.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a03.exe -lssp
+a03.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a03.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/04Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a04.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a04.exe -lssp
+a04.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a04.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/05Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a05.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a05.exe -lssp
+a05.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a05.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/06Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a05.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a05.exe -lssp
+a05.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a05.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/07Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a07.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a07.exe -lssp
+a07.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a07.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/08Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a08.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a08.exe -lssp
+a08.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a08.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/09Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a09.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a09.exe -lssp
+a09.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a09.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/10Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a10.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a10.exe -lssp
+a10.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a10.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/11Ex/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a11.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a11.exe -lssp
+a11.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a11.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.14/Example/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a01.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a01.exe -lssp
+a01.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a01.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/01Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a01.exe
+TARGET = a01.out
 OBJ = main.o array_io.o solve.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lssp
+	gcc $(OBJ) -o $(TARGET) 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/02Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a02.exe
+TARGET = a02.out
 OBJ = main.o array_io.o solve.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lssp
+	gcc $(OBJ) -o $(TARGET) 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/03Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a03.exe
+TARGET = a03.out
 OBJ = main.o array_io.o solve.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lssp
+	gcc $(OBJ) -o $(TARGET) 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/04Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a04.exe
+TARGET = a04.out
 OBJ = main.o array_io.o solve.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lssp
+	gcc $(OBJ) -o $(TARGET) 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/05Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a05.exe
+TARGET = a05.out
 OBJ = main.o array_io.o solve.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lm -lssp
+	gcc $(OBJ) -o $(TARGET) -lm 
 	
 
 main.o: main.c
@@ -28,4 +28,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/06Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a06.exe
+TARGET = a06.out
 OBJ = main.o array_io.o solve.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lssp
+	gcc $(OBJ) -o $(TARGET) 
 	
 
 main.o: main.c
@@ -28,4 +28,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/07Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a07.exe
+TARGET = a07.out
 OBJ = main.o array_io.o solve.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lssp
+	gcc $(OBJ) -o $(TARGET) 
 	
 
 main.o: main.c
@@ -28,4 +28,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/08Ex/Makefile

@@ -8,12 +8,12 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a08.exe
+TARGET = a08.out
 OBJ = main.o array_io.o init_f.o
 
 $(TARGET): $(OBJ) solve.o slow.o
-	gcc $(OBJ) solve.o -o $(TARGET) -lssp
-	gcc $(OBJ) slow.o -o sa08.exe -lssp
+	gcc $(OBJ) solve.o -o $(TARGET) 
+	gcc $(OBJ) slow.o -o sa08.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -31,4 +31,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/09Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a09.exe
+TARGET = a09.out
 OBJ = main.o solve.o array_io.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $(OBJ) -o $(TARGET) -lssp
+	gcc $(OBJ) -o $(TARGET) 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/10Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-TARGET = a10.exe
+TARGET = a10.out
 OBJ = main.o solve.o array_io.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $^ -o $@ -lm -lssp
+	gcc $^ -o $@ -lm 
 
 main.o: main.c
 	gcc $(CFLAGS) -c $^
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c $^
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.21/Example/Makefile

@@ -1,7 +1,7 @@
 FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
 
-a01.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a01.exe -lssp
+a01.out: main.o array_io.o solve.o init_f.o
+	gcc main.o solve.o array_io.o init_f.o -o a01.out 
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
@@ -16,4 +16,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c init_f.c
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.28/01Ex/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -fopenmp -O3
 
-TARGET = a01.exe
+TARGET = a01.out
 OBJ = main.o solve.o array_io.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $^ -o $@ -lm -fopenmp -lssp
+	gcc $^ -o $@ -lm -fopenmp 
 
 main.o: main.c
 	gcc $(CFLAGS) -c $^
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c $^
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.28/02Ex/Makefile

@@ -0,0 +1,33 @@
+CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
+-Wempty-body -Wlogical-op -Wold-style-declaration -Wmissing-parameter-type \
+-Wignored-qualifiers -Winit-self -Wshadow -Wtype-limits \
+-Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 \
+-Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs \
+-Wmissing-prototypes -Wmissing-declarations -Wold-style-definition \
+-Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal \
+-Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
+-Wmissing-field-initializers -Wpointer-sign -fopenmp -O3
+
+TARGET = a02.out
+OBJ = main.o solve.o array_io.o init_f.o matrix.o
+
+$(TARGET): $(OBJ)
+	gcc $^ -o $@ -lm -fopenmp 
+
+main.o: main.c
+	gcc $(CFLAGS) -c $^
+
+solve.o: solve.c
+	gcc $(CFLAGS) -c $^
+
+array_io.o: array_io.c
+	gcc $(CFLAGS) -c $^
+
+init_f.o: init_f.c
+	gcc $(CFLAGS) -c $^
+
+matrix.o: matrix.c
+	gcc $(CFLAGS) -c $^
+
+clean:
+	rm *.o *.out

2025.03.28/02Ex/array_io.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include "array_io.h"
+
+io_status read_matrix(double *a, int m, int n, const char *name)
+{
+	int i, j;
+	FILE *fp;
+	if (!(fp = fopen(name, "r"))) return ERROR_OPEN;
+	for (i = 0; i < m; i++)
+		for (j = 0; j < n; j++)
+			if (fscanf(fp, "%lf", a + i * n + j) != 1) 
+				{fclose(fp); return ERROR_READ;}
+	fclose(fp);
+	return SUCCESS;
+}
+
+void print_matrix(const double *a, int m, int n, int p)
+{
+	int mp = (m > p ? p : m);
+	int np = (n > p ? p : n);
+	int i, j;
+
+	for (i = 0; i < mp; i++)
+	{
+		for (j = 0; j < np; j++)
+			printf(" %10.3e", a[i * n + j]);
+		printf("\n");
+	}
+}
+
+void init_matrix(double *a, int m, int n, int k)
+{
+	double (*q)(int, int, int, int);
+	double (*f[])(int, int, int, int) = {f1, f2, f3, f4};
+	int i, j;
+	q = f[k-1];
+	for (i = 0; i < m; i++)
+		for (j = 0; j < n; j++)
+			a[i * n + j] = q(m, n, i+1, j+1);
+}

2025.03.28/02Ex/array_io.h

@@ -0,0 +1,11 @@
+#ifndef ARRAY_IO_H
+#define ARRAY_IO_H
+
+#include "io_status.h"
+#include "init_f.h"
+
+io_status read_matrix(double *a, int m, int n, const char *name);
+void print_matrix(const double *a, int m, int n, int p);
+void init_matrix(double *a, int m, int n, int k);
+
+#endif

2025.03.28/02Ex/init_f.c

@@ -0,0 +1,30 @@
+#include "init_f.h"
+#include <stdlib.h>
+
+#define MAX(n, m) (n < m ? m : n)
+
+double f1(int m, int n, int i, int j)
+{
+	return MAX(n, m) - MAX(i, j) + 1;
+}
+
+double f2(int m, int n, int i, int j)
+{
+	(void)n;
+	(void)m;
+	return MAX(i, j);
+}
+
+double f3(int m, int n, int i, int j)
+{
+	(void)n;
+	(void)m;
+	return abs(i - j);
+}
+
+double f4(int m, int n, int i, int j)
+{
+	(void)n;
+	(void)m;
+	return 1./(i+j-1);
+}

2025.03.28/02Ex/init_f.h

@@ -0,0 +1,9 @@
+#ifndef INIT_F_H
+#define INIT_F_H
+
+double f1(int m, int n, int i, int j);
+double f2(int m, int n, int i, int j);
+double f3(int m, int n, int i, int j);
+double f4(int m, int n, int i, int j);
+
+#endif

2025.03.28/02Ex/io_status.h

@@ -0,0 +1,13 @@
+#ifndef IO_STATUS_H
+#define IO_STATUS_H
+
+#define LEN 1234
+
+typedef enum _io_status
+{
+	SUCCESS,
+	ERROR_OPEN,
+	ERROR_READ
+} io_status;
+
+#endif

2025.03.28/02Ex/main.c

@@ -0,0 +1,144 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include "array_io.h"
+#include "io_status.h"
+#include "matrix.h"
+#include "solve.h"
+
+/* ./a.out t m n p k_a [filename_a] k_x [filename_x] */
+int main(int argc, char *argv[])
+{
+	double tau, t, r1, r2, *a, *x_0, *b, *x;
+	int n, m, p, k_a, k_x, task = 2;
+	char *name_a = 0, *name_x = 0;
+	if (!((argc == 7 || argc == 8 || argc == 9) && 
+				sscanf(argv[1], "%lf", &tau) == 1 && 
+				sscanf(argv[2], "%d", &m) == 1 && 
+				sscanf(argv[3], "%d", &n) == 1 && 
+				sscanf(argv[4], "%d", &p) == 1 && 
+				sscanf(argv[5], "%d", &k_a) == 1 && 
+				(k_a >= 0 && k_a <= 4) &&
+				(!(k_a == 0 && argc == 7)) && 
+				((k_a == 0 && sscanf(argv[7], "%d", &k_x) == 1) || 
+				 (k_a != 0 && sscanf(argv[6], "%d", &k_x) == 1)) &&
+				(k_x >= 0 && k_x <= 4) && 
+				(!(k_x == 0 && argc == 7)) && 
+				(!((k_a == 0 && k_x == 0) && argc != 9))))
+	{
+		printf("Usage: %s t m n p k_a [filename_a] k_x [filename_x]\n", argv[0]);
+		return 1;
+	}
+	if (argc != 7) 
+	{
+		int i_x = 7;
+		if (k_a == 0) { name_a = argv[6]; i_x++; }
+		if (k_x == 0) name_x = argv[i_x];
+	}
+
+	a = (double *)malloc((size_t)n * (size_t)n * sizeof(double));
+	if (!a)
+	{
+		printf("Not enough memory\n");
+		return 2;
+	}
+	x_0 = (double *)malloc((size_t)n * sizeof(double));
+	if (!x_0)
+	{
+		free(a);
+		printf("Not enough memory\n");
+		return 2;
+	}
+	b = (double *)malloc((size_t)n * sizeof(double));
+	if (!b)
+	{
+		free(a);
+		free(x_0);
+		printf("Not enough memory\n");
+		return 2;
+	}
+	x = (double *)malloc((size_t)n * sizeof(double));
+	if (!x)
+	{
+		free(a);
+		free(x_0);
+		free(b);
+		printf("Not enough memory\n");
+		return 2;
+	}
+
+	if (name_a)
+	{ /* из файла */
+		io_status ret;
+		ret = read_matrix(a, n, n, name_a);
+		do {
+			switch (ret)
+			{
+				case SUCCESS:
+					continue;
+				case ERROR_OPEN:
+					printf("Cannot open %s\n", name_a);
+					break;
+				case ERROR_READ:
+					printf("Cannot read %s\n", name_a);
+					break;
+			}
+			free(a);
+			free(x_0);
+			free(b);
+			free(x);
+			return 3;
+		} while (0);
+	} else init_matrix(a, n, n, k_a);
+
+	if (name_x)
+	{
+		io_status ret;
+		ret = read_matrix(x_0, n, 1, name_x);
+		do {
+			switch (ret)
+			{
+				case SUCCESS:
+					continue;
+				case ERROR_OPEN:
+					printf("Cannot open %s\n", name_x);
+					break;
+				case ERROR_READ:
+					printf("Cannot read %s\n", name_x);
+					break;
+			}
+			free(a);
+			free(x_0);
+			free(b);
+			free(x);
+			return 3;
+		} while (0);
+	} else init_matrix(x_0, n, 1, k_x);
+
+	init_vec_b(a, b, n);
+
+	printf("Matrix A:\n");
+	print_matrix(a, n, n, p);
+	printf("Vector x_0:\n");
+	print_matrix(x_0, 1, n, p);
+	printf("Vector b:\n");
+	print_matrix(b, 1, n, p);
+
+	t = clock();
+	t2_solve(a, x_0, b, x, n, m, tau);
+	t = (clock() - t) / CLOCKS_PER_SEC;
+	
+	r1 = t2_get_r1(a, x, b, n);
+	r2 = t2_get_r2_value(x, n);
+
+	printf("Vector x_m:\n");
+	print_matrix(x, 1, n, p);
+	printf("%s : Task = %d Res1 = %e Res2 = %e Elapsed = %.2f\n", argv[0], task, r1, r2, t);
+
+	free(a);
+	free(x_0);
+	free(b);
+	free(x);
+
+	return 0;
+}

2025.03.28/02Ex/matrix.c

@@ -0,0 +1,34 @@
+#include "matrix.h"
+#include <math.h>
+
+void init_vec_b(const double * restrict a, double * restrict b, int n)
+{
+	#pragma omp parallel for
+	for (int i = 0; i < n; ++i)
+	{
+		double sum = 0;
+
+//		#pragma omp simd reduction(+:sum)
+//		for (int k = 1; k < n; k+=2)
+//			sum += a[i * n + k];
+		
+		for (int k = 0; k < (n-1)/2; ++k)
+			sum += a[i*n + 2*k+1];
+
+		b[i] = sum;
+	}
+}
+
+
+void matvec_mul(int n, const double * restrict A, const double * restrict x, double * restrict x_k)
+{
+	#pragma	omp parallel for
+	for (int i = 0; i < n; i++)
+	{
+		double sum = 0;
+		#pragma omp simd reduction(+:sum)
+		for (int j = 0; j < n; j++)
+			sum += A[i * n + j] * x[j];
+		x_k[i] = sum;
+	}	
+}

2025.03.28/02Ex/matrix.h

@@ -0,0 +1,7 @@
+#ifndef MATRIX_H
+#define MATRIX_H
+
+void init_vec_b(const double * restrict a, double * restrict b, int n);
+void matvec_mul(int n, const double * restrict A, const double * restrict x, double * restrict x_k);
+
+#endif

2025.03.28/02Ex/solve.c

@@ -0,0 +1,79 @@
+#include "solve.h"
+#include "matrix.h"
+#include <math.h>
+
+
+void t2_solve(const double * restrict A, double * restrict x_0, const double * restrict b, double * restrict x, int n, int m, double t)
+{
+	#pragma omp parallel for
+	for (int k = 0; k < m; ++k)
+	{
+		double * swap_temp;
+		matvec_mul(n, A, x_0, x);
+		
+		#pragma omp simd
+		for (int i = 0; i < n; ++i)
+			x[i] = (b[i] - x[i]) * t + x_0[i];
+		
+		swap_temp = x;
+		x = x_0;
+		x_0 = swap_temp;
+	}
+
+	if (m % 2 == 0)	
+		for (int i = 0; i < n; i++)
+		{
+			double temp = x[i];
+			x[i] = x_0[i];
+			x_0[i] = temp;
+		}
+	else
+	{
+		double * swap_temp = x;
+		x = x_0;
+		x_0 = swap_temp;
+	}
+}
+
+double t2_get_r1(const double * restrict A, const double * restrict x_k, const double * restrict b, int n)
+{
+	double norm_r1x_1 = 0;
+	double residual_norm_1 = 0;
+	double r1 = 0;
+
+	#pragma omp parallel for reduction(+:residual_norm_1, norm_r1x_1)
+	for (int i = 0; i < n; ++i)
+	{
+		double bi = b[i];
+		double sum = 0;
+		
+		#pragma omp simd reduction(+:sum)
+		for (int j = 0; j < n; ++j)
+			sum += A[i*n + j] * x_k[j];
+		
+		residual_norm_1 += fabs(sum - bi);
+		norm_r1x_1 += fabs(bi);
+	}
+
+	r1 = residual_norm_1 / norm_r1x_1;
+
+	return r1;
+}
+
+double t2_get_r2_value(const double * restrict x_k, int n)
+{
+	double r2 = 0;
+	double abs_xi = 0;
+	double abs_i = 0;
+
+	#pragma omp parallel for reduction(+:abs_xi, abs_i)
+	for (int i = 0; i < n; ++i)
+	{
+		short int modi = i ^ 1;
+		abs_xi += fabs(x_k[i] - modi);
+		abs_i += modi;
+	}
+
+	r2 = abs_xi / abs_i;
+	return r2;
+}

2025.03.28/02Ex/solve.h

@@ -0,0 +1,8 @@
+#ifndef SOLVE_H
+#define SOLVE_H
+
+void t2_solve(const double * restrict A, double * restrict x_0, const double * restrict b, double * restrict x, int n, int m, double t);
+double t2_get_r1(const double * restrict A, const double * restrict x_k, const double * restrict b, int n);
+double t2_get_r2_value(const double * restrict x_k, int n);
+
+#endif

2025.03.28/Example/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -fopenmp -O3
 
-TARGET = a01.exe
+TARGET = a01.out
 OBJ = main.o solve.o array_io.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $^ -o $@ -lm -fopenmp -lssp
+	gcc $^ -o $@ -lm -fopenmp 
 
 main.o: main.c
 	gcc $(CFLAGS) -c $^
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c $^
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.28/Matvecmul/Makefile

@@ -8,11 +8,11 @@ CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -fopenmp -O3
 
-TARGET = a01.exe
+TARGET = a01.out
 OBJ = main.o solve.o array_io.o init_f.o
 
 $(TARGET): $(OBJ)
-	gcc $^ -o $@ -lm -fopenmp -lssp
+	gcc $^ -o $@ -lm -fopenmp 
 
 main.o: main.c
 	gcc $(CFLAGS) -c $^
@@ -27,4 +27,4 @@ init_f.o: init_f.c
 	gcc $(CFLAGS) -c $^
 
 clean:
-	del *.o *.exe
+	rm *.o *.out

2025.03.28/Matvei/Makefile

@@ -0,0 +1,20 @@
+FLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -Wmaybe-uninitialized -O3
+all: a01.out a02.out a03.out
+a01.out: a01.o array.o matrix.o
+	gcc a01.o array.o matrix.o -lm -o a01.out
+a02.out: a02.o array.o matrix.o
+	gcc a02.o array.o matrix.o -lm -o a02.out
+a03.out: a03.o array.o matrix.o
+	gcc a03.o array.o matrix.o -lm -o a03.out
+array.o:
+	gcc -c $(FLAGS) -o array.o array.c
+matrix.o:
+	gcc -c $(FLAGS) -o matrix.o matrix.c
+a01.o:
+	gcc -c $(FLAGS) -o a01.o task01.c
+a02.o:
+	gcc -c $(FLAGS) -o a02.o task02.c
+a03.o:
+	gcc -c $(FLAGS) -o a03.o task03.c
+clean:
+	rm -f *.o *.out

2025.03.28/Matvei/array.c

@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "io_status.h"
+#include "array.h"
+#include "matrix.h"
+
+io_status read_matrix(double* a, int n, int m, const char* name)
+  {
+  int i, j;
+  FILE* fp;
+  if (!(fp = fopen(name, "r")))
+      return ERROR_OPEN;
+  for (i = 0; i < n; i++)
+      {
+      for (j = 0; j < m; j++)
+          {
+          if (fscanf(fp, "%lf", a + i * m + j) != 1)
+              {
+              fclose(fp);
+              return ERROR_READ;
+              }
+          }
+      }
+  fclose(fp);
+  return SUCCESS;
+  }
+  
+void print_matrix(const double* a, int n, int m, int p)
+  {
+  int np = (n > p ? p : n);
+  int mp = (m > p ? p : m);
+  int i, j;
+  for (i = 0; i < np; i++)
+      {
+      for (j = 0; j < mp; j++)
+          printf(" %10.3e", a[i * m + j]);
+      printf("\n");
+      }
+  }
+  
+void init_matrix(double* a, int n, int m, int k)
+  {
+  int i, j;
+  for (i = 0; i < n; i++)
+      {
+      for (j = 0; j < m; j++)
+          a[i * m + j] = f(k, n, m, i+1, j+1);
+      }
+  }
+  
+double f(int k, int n, int m, int i, int j)
+  {
+  switch (k)
+      {
+      case 1: return (n >= m ? n : m) - (i >= j ? i : j) + 1;
+      case 2: return (i >= j ? i : j);
+      case 3: return (i - j >= 0 ? i - j : j - i);
+      case 4: return 1./(i + j - 1);
+      }
+  return -1e308;
+  }
+  
+void init_vector(double* b, double* a, int n)
+  {
+  int i, k;
+  double sum;
+  for (i = 0; i < n; i++)
+      {
+      sum = 0;
+      for (k = 1; k < n; k += 2) sum += a[i * n + k];
+      b[i] = sum;
+      }
+  }

2025.03.28/Matvei/array.h

@@ -0,0 +1,5 @@
+io_status read_matrix(double*, int, int, const char*);
+void print_matrix(const double*, int, int, int);
+void init_matrix(double*, int, int, int);
+double f(int, int, int, int, int);
+void init_vector(double*, double*, int);

2025.03.28/Matvei/io_status.h

@@ -0,0 +1,6 @@
+typedef enum io_status_
+  {
+  SUCCESS,
+  ERROR_OPEN,
+  ERROR_READ,
+  } io_status;

2025.03.28/Matvei/matrix.c

@@ -0,0 +1,99 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "matrix.h"
+
+void multmatvec(double* a, double* x1, double* x2, int n)
+  {
+  int i, j;
+  double sum;
+  for (i = 0; i < n; i++)
+      {
+      sum = 0;
+      for (j = 0; j < n; j++)
+          sum += a[i * n+ j] * x1[j];
+      x2[i] = sum;
+      }
+  }
+
+double scalp(double* a, double* b, int n)
+  {
+  int i;
+  double mult = 0;
+  for (i = 0; i < n; i++) mult += a[i] * b[i];
+  return mult;
+  }
+  
+double count_task1(double* a, double* x, double r1, int n)
+  {
+  int i, j;
+  double mltd_el_x, sum, modsum1 = 0, modsum2 = 0;
+  for (i = 0; i < n; i++)
+      {
+      sum = 0;
+      for (j = 0; j < n; j++) sum += a[i * n + j] * x[j];
+      mltd_el_x = r1 * x[i];
+      modsum1 += fabs(sum - mltd_el_x);
+      modsum2 += fabs(mltd_el_x);
+      }
+  return modsum1 / modsum2;
+  }
+  
+double count_r1(double* a, double* b, double* x, int n)
+  {
+  int i, j;
+  double el_b, sum, modsum1 = 0, modsum2 = 0;
+  for (i = 0; i < n; i++)
+      {
+      sum = 0;
+      for (j = 0; j < n; j++) sum += a[i * n + j] * x[j];
+      el_b = b[i];
+      modsum1 = fabs(sum - el_b);
+      modsum2 = fabs(el_b);
+      }
+  return modsum1 / modsum2;
+  }
+  
+double count_r2(double* x, int n)
+  {
+  int i;
+  double modsum = 0;
+  int ost, sum = 0;
+  for (i = 0; i < n; i++)
+      {
+      ost = (i + 1) % 2;
+      modsum += fabs(x[i] - ost);
+      sum += ost;
+      }
+  return modsum / sum;
+  }
+  
+void vecdiff(double* a, double* b, int n)
+  {
+  int i;
+  for (i = 0; i < n; i++) a[i] -= b[i];
+  }
+  
+void vecmult(double* a, double lambda, int n)
+  {
+  int i;
+  for (i = 0; i < n; i++) a[i] = lambda * a[i];
+  }
+  
+void veccpy(double* a, double* b, int n)
+  {
+  int i;
+  for (i = 0; i < n; i++) a[i] = b[i];
+  }
+  
+void veccomb(double lambda, double* a, double myu, double* b, int n)
+  {
+  int i;
+  for (i = 0; i < n; i++) a[i] = lambda * a[i] + myu * b[i];
+  }
+  
+int equal(double a, double b)
+  {
+  if (fabs(a - b) <= EPS * fmax(fabs(a), fabs(b))) return 1;
+  return 0;
+  }

2025.03.28/Matvei/matrix.h

@@ -0,0 +1,12 @@
+#define EPS (1e-9)
+
+void multmatvec(double*, double*, double*, int);
+double scalp(double*, double*, int);
+void vecdiff(double*, double*, int);
+void vecmult(double*, double, int);
+void veccpy(double*, double*, int);
+void veccomb(double, double*, double, double*, int);
+double count_task1(double*, double*, double, int);
+double count_r1(double*, double*, double*, int);
+double count_r2(double*, int);
+int equal(double, double);

2025.03.28/Matvei/task01.c

@@ -0,0 +1,152 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <math.h>
+#include "io_status.h"
+#include "array.h"
+#include "matrix.h"
+
+double solve1(double*, double*, double*, int, int);
+
+int main(int argc, char* argv[])
+    {
+    int task = 1;
+    double* a;
+    double* x0;
+    double* x;
+    int n, m, p, k1, k2;
+    char* name1 = 0;
+    char* name2 = 0;
+    double r1, r2;
+    double t;
+     if (!((argc == 6 || argc == 7 || argc == 8) && sscanf(argv[1], "%d", &m) == 1 && sscanf(argv[2], "%d", &n) == 1 && sscanf(argv[3], "%d", &p) == 1 && sscanf(argv[4], "%d", &k1) == 1 && k1 >= 0 && k1 <= 4))
+        {
+        printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+        return 1;
+        }
+    if (k1 == 0)
+        {
+        if (!(sscanf(argv[6], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        name1 = argv[5];
+        }
+    else
+        {
+        if (!(sscanf(argv[5], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        }
+    if (k2 == 0)
+        {
+        if (k1 == 0) name2 = argv[7];
+        else name2 = argv[6];
+        }
+    a = (double*) malloc(n * n * sizeof(double));
+    if (!a)
+        {
+        printf("Not enough memory\n");
+        return 2;
+        }
+    if (name1)
+        {
+        io_status ret;
+        ret = read_matrix(a, n, n, name1);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name1);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name1);
+                    break;
+                }
+            free(a);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(a, n, n, k1);
+    x0 = (double*) malloc(n * sizeof(double));
+    if (!x0)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        return 2;
+        }
+    x = (double*) malloc(n * sizeof(double));
+    if (!x)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        return 2;
+        }
+    if (name2)
+        {
+        io_status ret;
+        ret = read_matrix(x0, n, 1, name2);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name2);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name2);
+                    break;
+                }
+            free(a);
+            free(x0);
+            free(x);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(x0, n, 1, k2);
+    printf("Matrix:\n");
+    print_matrix(a, n, n, p);
+    printf("Vector:\n");
+    print_matrix(x0, n, 1, p);
+    t = clock();
+    r1 = solve1(a, x0, x, n, m);
+    t = (clock() - t) / CLOCKS_PER_SEC;
+    r2 = count_task1(a, x, r1, n);
+   
+   printf("Vector x:\n"); 
+    if (m % 2)
+    	print_matrix(x, 1, n, p);
+    else
+	   print_matrix(x0, 1, n, p); 
+    printf ("%s : Task = %d Res1 = %e Res2 = %e Elapsed = %.2f\n", argv[0], task, r1, r2, t);
+    free(a);
+    free(x0);
+    free(x);
+    return 0;
+    }
+    
+double solve1(double* a, double* x0, double* x, int n, int m)
+  {
+  int k;
+  double lambda;
+  if (m <= 0) return 0;
+  for (k = 0; k <= m; k++)
+      {
+      if (k % 2) multmatvec(a, x, x0, n);
+      else multmatvec(a, x0, x, n);
+      }
+  if (m % 2) lambda = scalp(x0, x, n) / scalp(x, x, n);
+  else lambda = scalp(x, x0, n) / scalp(x0, x0, n);
+  return lambda;
+  }

2025.03.28/Matvei/task02.c

@@ -0,0 +1,163 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <math.h>
+#include "io_status.h"
+#include "array.h"
+#include "matrix.h"
+
+void solve2(double*, double*, double*, double*, int, int, double);
+
+int main(int argc, char* argv[])
+    {
+    int task = 2;
+    double* a;
+    double* x0;
+    double* x;
+    double* b;
+    int n, m, p, k1, k2;
+    char* name1 = 0;
+    char* name2 = 0;
+    double tau;
+    double r1, r2;
+    double t;
+     if (!((argc == 7 || argc == 8 || argc == 9) && sscanf(argv[1], "%lf", &tau) == 1 && sscanf(argv[2], "%d", &m) == 1 && sscanf(argv[3], "%d", &n) == 1 && sscanf(argv[4], "%d", &p) == 1 && sscanf(argv[5], "%d", &k1) == 1 && k1 >= 0 && k1 <= 4))
+        {
+        printf("Usage: %s tau n m p k1 [file1] k2 [file2]\n", argv[0]);
+        return 1;
+        }
+    if (k1 == 0)
+        {
+        if (!(sscanf(argv[7], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s tau n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        name1 = argv[6];
+        }
+    else
+        {
+        if (!(sscanf(argv[6], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s tau n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        }
+    if (k2 == 0)
+        {
+        if (k1 == 0) name2 = argv[8];
+        else name2 = argv[7];
+        }
+    a = (double*) malloc(n * n * sizeof(double));
+    if (!a)
+        {
+        printf("Not enough memory\n");
+        return 2;
+        }
+    if (name1)
+        {
+        io_status ret;
+        ret = read_matrix(a, n, n, name1);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name1);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name1);
+                    break;
+                }
+            free(a);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(a, n, n, k1);
+    x0 = (double*) malloc(n * sizeof(double));
+    if (!x0)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        return 2;
+        }
+    x = (double*) malloc(n * sizeof(double));
+    if (!x)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        return 2;
+        }
+    b = (double*) malloc(n * sizeof(double));
+    if (!b)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        free(x);
+        return 2;
+        }
+    if (name2)
+        {
+        io_status ret;
+        ret = read_matrix(x0, n, 1, name2);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name2);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name2);
+                    break;
+                }
+            free(a);
+            free(x0);
+            free(x);
+            free(b);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(x0, n, 1, k2);
+    init_vector(b, a, n);
+    printf("Matrix:\n");
+    print_matrix(a, n, n, p);
+    printf("Vector:\n");
+    print_matrix(x0, 1, n, p);
+    printf("Vector b:\n");
+    print_matrix(b, 1, n, p);
+    t = clock();
+    solve2(a, x0, x, b, n, m, tau);
+    t = (clock() - t) / CLOCKS_PER_SEC;
+    r1 = count_r1(a, b, x, n);
+    r2 = count_r2(x, n);
+    printf("New vector:\n");
+    print_matrix(x, n, 1, p);
+    printf ("%s : Task = %d Res1 = %e Res2 = %e Elapsed = %.2f\n", argv[0], task, r1, r2, t);
+    free(a);
+    free(x0);
+    free(x);
+    free(b);
+    return 0;
+    }
+    
+void solve2(double* a, double* x0, double* x, double* b, int n, int m, double tau)
+  {
+  int k;
+  veccpy(x, x0, n);
+  for (k = 1; k <= m; k++)
+      {
+      multmatvec(a, x, x0, n);
+      vecdiff(x0, b, n);
+      vecmult(x0, tau, n);
+      vecdiff(x, x0, n);
+      }
+  }

2025.03.28/Matvei/task03.c

@@ -0,0 +1,180 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <math.h>
+#include "io_status.h"
+#include "array.h"
+#include "matrix.h"
+
+void solve3(double*, double*, double*, double*, double*, int, int);
+
+int main(int argc, char* argv[])
+    {
+    int task = 3;
+    double* a;
+    double* x0;
+    double* x;
+    double* b;
+    double* r;
+    int n, m, p, k1, k2;
+    char* name1 = 0;
+    char* name2 = 0;
+    double r1, r2;
+    double t;
+     if (!((argc == 6 || argc == 7 || argc == 8) && sscanf(argv[1], "%d", &m) == 1 && sscanf(argv[2], "%d", &n) == 1 && sscanf(argv[3], "%d", &p) == 1 && sscanf(argv[4], "%d", &k1) == 1 && k1 >= 0 && k1 <= 4))
+        {
+        printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+        return 1;
+        }
+    if (k1 == 0)
+        {
+        if (!(sscanf(argv[6], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        name1 = argv[5];
+        }
+    else
+        {
+        if (!(sscanf(argv[5], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        }
+    if (k2 == 0)
+        {
+        if (k1 == 0) name2 = argv[7];
+        else name2 = argv[6];
+        }
+    a = (double*) malloc(n * n * sizeof(double));
+    if (!a)
+        {
+        printf("Not enough memory\n");
+        return 2;
+        }
+    if (name1)
+        {
+        io_status ret;
+        ret = read_matrix(a, n, n, name1);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name1);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name1);
+                    break;
+                }
+            free(a);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(a, n, n, k1);
+    x0 = (double*) malloc(n * sizeof(double));
+    if (!x0)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        return 2;
+        }
+    x = (double*) malloc(n * sizeof(double));
+    if (!x)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        return 2;
+        }
+    b = (double*) malloc(n * sizeof(double));
+    if (!b)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        free(x);
+        return 2;
+        }
+    r = (double*) malloc(n * sizeof(double));
+    if (!r)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        free(x);
+        free(b);
+        return 2;
+        }
+    if (name2)
+        {
+        io_status ret;
+        ret = read_matrix(x0, n, 1, name2);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name2);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name2);
+                    break;
+                }
+            free(a);
+            free(x0);
+            free(x);
+            free(b);
+            free(r);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(x0, n, 1, k2);
+    init_vector(b, a, n);
+    printf("Matrix:\n");
+    print_matrix(a, n, n, p);
+    printf("Vector:\n");
+    print_matrix(x0, n, 1, p);
+    printf("Vector b:\n");
+    print_matrix(b, n, 1, p);
+    t = clock();
+    solve3(a, x0, x, b, r, n, m);
+    t = (clock() - t) / CLOCKS_PER_SEC;
+    r1 = count_r1(a, b, x, n);
+    r2 = count_r2(x, n);
+    printf("New vector:\n");
+    print_matrix(x, n, 1, p);
+    printf("%s : Task = %d Res1 = %e Res2 = %e Elapsed = %.2f\n", argv[0], task, r1, r2, t);
+    free(a);
+    free(x0);
+    free(x);
+    free(b);
+    free(r);
+    return 0;
+    }
+    
+void solve3(double* a, double* x0, double* x, double* b, double* r, int n, int m)
+  {
+  int k;
+  double tau, scalp2;
+  veccpy(x, x0, n);
+  multmatvec(a, x, r, n);
+  vecdiff(r, b, n);
+  for (k = 1; k <= m; k++)
+      {
+      multmatvec(a, r, x0, n);
+      scalp2 = scalp(x0, r, n);
+      if (!equal(scalp2, 0)) tau = scalp(r, r, n) / scalp2;
+      else break;
+      veccomb(1, x, -tau, r, n);
+      veccomb(1, r, -tau, x0, n);
+      }
+  }

2025.03.28/Matvei/task04.c

@@ -0,0 +1,180 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <math.h>
+#include "io_status.h"
+#include "array.h"
+#include "matrix.h"
+
+void solve4(double*, double*, double*, double*, double*, int, int);
+
+int main(int argc, char* argv[])
+    {
+    int task = 4;
+    double* a;
+    double* x0;
+    double* x;
+    double* b;
+    double* r;
+    int n, m, p, k1, k2;
+    char* name1 = 0;
+    char* name2 = 0;
+    double r1, r2;
+    double t;
+     if (!((argc == 6 || argc == 7 || argc == 8) && sscanf(argv[1], "%d", &m) == 1 && sscanf(argv[2], "%d", &n) == 1 && sscanf(argv[3], "%d", &p) == 1 && sscanf(argv[4], "%d", &k1) == 1 && k1 >= 0 && k1 <= 4))
+        {
+        printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+        return 1;
+        }
+    if (k1 == 0)
+        {
+        if (!(sscanf(argv[6], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        name1 = argv[5];
+        }
+    else
+        {
+        if (!(sscanf(argv[5], "%d", &k2) == 1) && k2 >= 0 && k2 <= 4)
+            {
+            printf("Usage: %s n m p k1 [file1] k2 [file2]\n", argv[0]);
+            return 1;
+            }
+        }
+    if (k2 == 0)
+        {
+        if (k1 == 0) name2 = argv[7];
+        else name2 = argv[6];
+        }
+    a = (double*) malloc(n * n * sizeof(double));
+    if (!a)
+        {
+        printf("Not enough memory\n");
+        return 2;
+        }
+    if (name1)
+        {
+        io_status ret;
+        ret = read_matrix(a, n, n, name1);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name1);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name1);
+                    break;
+                }
+            free(a);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(a, n, n, k1);
+    x0 = (double*) malloc(n * sizeof(double));
+    if (!x0)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        return 2;
+        }
+    x = (double*) malloc(n * sizeof(double));
+    if (!x)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        return 2;
+        }
+    b = (double*) malloc(n * sizeof(double));
+    if (!b)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        free(x);
+        return 2;
+        }
+    r = (double*) malloc(n * sizeof(double));
+    if (!r)
+        {
+        printf("Not enough memory\n");
+        free(a);
+        free(x0);
+        free(x);
+        free(b);
+        return 2;
+        }
+    if (name2)
+        {
+        io_status ret;
+        ret = read_matrix(x0, n, 1, name2);
+        do
+            {
+            switch(ret)
+                {
+                case SUCCESS:
+                    continue;
+                case ERROR_OPEN:
+                    printf("Can not open file %s\n", name2);
+                    break;
+                case ERROR_READ:
+                    printf("Can not read file %s\n", name2);
+                    break;
+                }
+            free(a);
+            free(x0);
+            free(x);
+            free(b);
+            free(r);
+            return 3;
+            } while (0); 
+        }
+    else
+        init_matrix(x0, n, 1, k2);
+    init_vector(b, a, n);
+    printf("Matrix:\n");
+    print_matrix(a, n, n, p);
+    printf("Vector:\n");
+    print_matrix(x0, n, 1, p);
+    printf("Vector b:\n");
+    print_matrix(b, n, 1, p);
+    t = clock();
+    solve4(a, x0, x, b, r, n, m);
+    t = (clock() - t) / CLOCKS_PER_SEC;
+    r1 = count_r1(a, b, x, n);
+    r2 = count_r2(x, n);
+    printf("New vector:\n");
+    print_matrix(x, n, 1, p);
+    printf("%s : Task = %d Res1 = %e Res2 = %e Elapsed = %.2f\n", argv[0], task, r1, r2, t);
+    free(a);
+    free(x0);
+    free(x);
+    free(b);
+    free(r);
+    return 0;
+    }
+    
+void solve4(double* a, double* x0, double* x, double* b, double* r, int n, int m)
+  {
+  int k;
+  double tau, scalp2;
+  veccpy(x, x0, n);
+  multmatvec(a, x, r, n);
+  vecdiff(r, b, n);
+  for (k = 1; k <= m; k++)
+      {
+      multmatvec(a, r, x0, n);
+      scalp2 = scalp(x0, r, n);
+      if (!equal(scalp2, 0)) tau = scalp(r, r, n) / scalp2;
+      else break;
+      veccomb(1, x, -tau, r, n);
+      veccomb(1, r, -tau, x0, n);
+      }
+  }