diff --git a/Sorting/9Ex/main.c b/Sorting/9Ex/main.c
index e649462..8c7f078 100644
--- a/Sorting/9Ex/main.c
+++ b/Sorting/9Ex/main.c
@@ -1,25 +1,29 @@
 #include <stdio.h>
 #include "seagwithsob.h"
 #include "tools.h"
-#include <stdlib.h>
+#include "stdlib.h"
 
 int main(void)  {	
 	FILE * file = getFile();
 	double * array;
+	double * orig_arr;
 	int length;
 	
 	if (file == NULL) return -1;
 	array = getArray(file);
 	if (array == NULL) return -2;
 	length = (int)array[0] - 1;
-
+	
+	orig_arr = array;
 	array = &array[1];
 	printArray(array, length);
 	sort(array, length);
 	printArray(array, length);
+	
+	free(orig_arr);
 
 	printf("\n");
 	randomArray();
-
+	
 	return 0;
 }
diff --git a/Sorting/9Ex/makefile b/Sorting/9Ex/makefile
index f750d0b..a33a5fc 100644
--- a/Sorting/9Ex/makefile
+++ b/Sorting/9Ex/makefile
@@ -1,12 +1,43 @@
+CFLAGS = -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 \
+		 -O3 \
+		 -D_DEBUG -g \
+		 -c
+
+
 all: main.o seagwithsob.o tools.o
-	gcc main.o seagwithsob.o tools.o && rm *.o
-	./a.out
+	gcc main.o seagwithsob.o tools.o -lssp && del *.o 
+	a.exe
 
 main.o: main.c
-	gcc -c main.c
+	gcc $(CFLAGS) main.c
 
 seagwithsob.o: seagwithsob.c
-	gcc -c seagwithsob.c
+	gcc $(CFLAGS) seagwithsob.c
 
 tools.o: tools.c
-	gcc -c tools.c
+	gcc $(CFLAGS) tools.c
diff --git a/Sorting/9Ex/seagwithsob.c b/Sorting/9Ex/seagwithsob.c
index 8012070..a940880 100644
--- a/Sorting/9Ex/seagwithsob.c
+++ b/Sorting/9Ex/seagwithsob.c
@@ -28,6 +28,9 @@ void sort(double * array, int length) {
        for (int i = index; i < length; ++i) array[i] = zero[i - index];
 	
        timer += clock();
+       free(zero);
+       free(unit);
+
        printf("Required time for sorting is %lf seconds\n", (double)timer / CLOCKS_PER_SEC);
 }
 
diff --git a/Sorting/9Ex/tools.c b/Sorting/9Ex/tools.c
index edd79c2..723b801 100644
--- a/Sorting/9Ex/tools.c
+++ b/Sorting/9Ex/tools.c
@@ -64,6 +64,7 @@ void randomArray(void) {
 		sort(array, length);
 		printf("\n");
 		printArray(array, length);
+		free(array);
 	} else {
 		printf("Length not entered!\n");
 	}