diff --git a/2025.05.23/01Ex/main.c b/2025.05.23/01Ex/main.c
index 4a1fdd0..23f882b 100644
--- a/2025.05.23/01Ex/main.c
+++ b/2025.05.23/01Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a01.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, res, task = 1;
diff --git a/2025.05.23/02Ex/main.c b/2025.05.23/02Ex/main.c
index bc96019..02e149a 100644
--- a/2025.05.23/02Ex/main.c
+++ b/2025.05.23/02Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a02.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, res, task = 2;
diff --git a/2025.05.23/03Ex/main.c b/2025.05.23/03Ex/main.c
index e094676..412849f 100644
--- a/2025.05.23/03Ex/main.c
+++ b/2025.05.23/03Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a03.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, res, task = 3;
diff --git a/2025.05.23/04Ex/main.c b/2025.05.23/04Ex/main.c
index 8ce6994..2e2cf03 100644
--- a/2025.05.23/04Ex/main.c
+++ b/2025.05.23/04Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a04.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, res, task = 4;
diff --git a/2025.05.23/07Ex/input/f.txt b/2025.05.23/05Ex/input/e.txt
similarity index 100%
rename from 2025.05.23/07Ex/input/f.txt
rename to 2025.05.23/05Ex/input/e.txt
diff --git a/2025.05.23/05Ex/main.c b/2025.05.23/05Ex/main.c
index 8eb333e..fa040fe 100644
--- a/2025.05.23/05Ex/main.c
+++ b/2025.05.23/05Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a05.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, res, task = 5;
diff --git a/2025.05.23/06Ex/input/e.txt b/2025.05.23/06Ex/input/e.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2025.05.23/06Ex/main.c b/2025.05.23/06Ex/main.c
index 9c21d7c..2b9ea00 100644
--- a/2025.05.23/06Ex/main.c
+++ b/2025.05.23/06Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a06.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, res, task = 6;
diff --git a/2025.05.23/07Ex/input/e.txt b/2025.05.23/07Ex/input/e.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2025.05.23/07Ex/main.c b/2025.05.23/07Ex/main.c
index 19405b8..57b9209 100644
--- a/2025.05.23/07Ex/main.c
+++ b/2025.05.23/07Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a07.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, res, task = 7;
diff --git a/2025.05.23/08Ex/main.c b/2025.05.23/08Ex/main.c
index 2162877..28f8374 100644
--- a/2025.05.23/08Ex/main.c
+++ b/2025.05.23/08Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a08.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, len, task = 8;
diff --git a/2025.05.23/09Ex/main.c b/2025.05.23/09Ex/main.c
index 82dec41..d1db14b 100644
--- a/2025.05.23/09Ex/main.c
+++ b/2025.05.23/09Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a09.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, len, task = 9;
diff --git a/2025.05.23/10Ex/main.c b/2025.05.23/10Ex/main.c
index 24682dd..0921492 100644
--- a/2025.05.23/10Ex/main.c
+++ b/2025.05.23/10Ex/main.c
@@ -11,7 +11,7 @@
 /* ./a10.out p filename */
 int main (int argc, char *argv[])
 {
-	node *head;
+	node *head = NULL;
 	char *name;
 	double t;
 	int p, len, task = 10;
diff --git a/2025.05.23/10Ex/solve.c b/2025.05.23/10Ex/solve.c
index eff6c73..584368f 100644
--- a/2025.05.23/10Ex/solve.c
+++ b/2025.05.23/10Ex/solve.c
@@ -24,13 +24,12 @@ node * t10_solve (node *head)
 				if (start) {
 					delete_nodes(start->next, down+1);
 					start->next = next;
-					last = start;
+					curr = start;
 				} else {
 					delete_nodes(head, down+1);
 					head = next;
-					last = NULL;
+					curr = NULL;
 				}
-				curr = NULL;
 			}
 			down = 0;
 		}
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_01.c b/2025.05.23/dist/Krivoruchenko_SK/main_01.c
deleted file mode 100644
index 46f346d..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_01.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_01.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a01.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, res, task = 1;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	print_list(head, p);
-
-	t = clock();
-	res = t1_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	delete_list(head);
-
-	if (res < 0) {
-		fprintf (stderr, "%s : Task = %d Undefined error Elapsed = %.2f\n", argv[0], task, t);
-		return -3;
-	} else {
-		fprintf (stdout, "%s : Task = %d Result = %d Elapsed = %.2f\n", argv[0], task, res, t);
-		return 0;
-	}
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_02.c b/2025.05.23/dist/Krivoruchenko_SK/main_02.c
deleted file mode 100644
index acf6362..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_02.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_02.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a02.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, res, task = 2;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	print_list(head, p);
-
-	t = clock();
-	res = t2_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	delete_list(head);
-
-	if (res < 0) {
-		fprintf (stderr, "%s : Task = %d Undefined error Elapsed = %.2f\n", argv[0], task, t);
-		return -3;
-	} else {
-		fprintf (stdout, "%s : Task = %d Result = %d Elapsed = %.2f\n", argv[0], task, res, t);
-		return 0;
-	}
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_03.c b/2025.05.23/dist/Krivoruchenko_SK/main_03.c
deleted file mode 100644
index d7923ca..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_03.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_03.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a03.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, res, task = 3;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	print_list(head, p);
-	
-	t = clock();
-	res = t3_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	delete_list(head);
-
-	if (res < 0) {
-		fprintf (stderr, "%s : Task = %d Undefined error Elapsed = %.2f\n", argv[0], task, t);
-		return -3;
-	} else {
-		fprintf (stdout, "%s : Task = %d Result = %d Elapsed = %.2f\n", argv[0], task, res, t);
-		return 0;
-	}
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_04.c b/2025.05.23/dist/Krivoruchenko_SK/main_04.c
deleted file mode 100644
index 594d802..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_04.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_04.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a04.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, res, task = 4;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	print_list(head, p);
-	
-	t = clock();
-	res = t4_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	delete_list(head);
-
-	if (res < 0) {
-		fprintf (stderr, "%s : Task = %d Undefined error Elapsed = %.2f\n", argv[0], task, t);
-		return -3;
-	} else {
-		fprintf (stdout, "%s : Task = %d Result = %d Elapsed = %.2f\n", argv[0], task, res, t);
-		return 0;
-	}
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_05.c b/2025.05.23/dist/Krivoruchenko_SK/main_05.c
deleted file mode 100644
index 77c9d14..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_05.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_05.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a05.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, res, task = 5;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	print_list(head, p);
-
-	t = clock();
-	res = t5_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	delete_list(head);
-
-	if (res < 0) {
-		fprintf (stderr, "%s : Task = %d Undefined error Elapsed = %.2f\n", argv[0], task, t);
-		return -3;
-	} else {
-		fprintf (stdout, "%s : Task = %d Result = %d Elapsed = %.2f\n", argv[0], task, res, t);
-		return 0;
-	}
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_06.c b/2025.05.23/dist/Krivoruchenko_SK/main_06.c
deleted file mode 100644
index a1b96ed..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_06.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_06.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a06.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, res, task = 6;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	print_list(head, p);
-
-	t = clock();
-	res = t6_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	delete_list(head);
-
-	if (res < 0) {
-		fprintf (stderr, "%s : Task = %d Undefined error Elapsed = %.2f\n", argv[0], task, t);
-		return -3;
-	} else {
-		fprintf (stdout, "%s : Task = %d Result = %d Elapsed = %.2f\n", argv[0], task, res, t);
-		return 0;
-	}
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_07.c b/2025.05.23/dist/Krivoruchenko_SK/main_07.c
deleted file mode 100644
index 3748a3b..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_07.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_07.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a07.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, res, task = 7;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	print_list(head, p);
-	
-	t = clock();
-	res = t7_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	delete_list(head);
-
-	if (res < 0) {
-		fprintf (stderr, "%s : Task = %d Undefined error Elapsed = %.2f\n", argv[0], task, t);
-		return -3;
-	} else {
-		fprintf (stdout, "%s : Task = %d Result = %d Elapsed = %.2f\n", argv[0], task, res, t);
-		return 0;
-	}
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_08.c b/2025.05.23/dist/Krivoruchenko_SK/main_08.c
deleted file mode 100644
index 0f27f1c..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_08.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_08.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a08.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, len, task = 8;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	fprintf (stdout, "Source list:\n");
-	print_list(head, p);
-	
-	t = clock();
-	head = t8_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	fprintf (stdout, "\nFinal list:\n");
-	print_list(head, p);
-	len = get_length(head);
-
-	delete_list(head);
-
-	fprintf (stdout, "%s : Task = %d Length = %d Elapsed = %.2f\n", argv[0], task, len, t);
-	return 0;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_09.c b/2025.05.23/dist/Krivoruchenko_SK/main_09.c
deleted file mode 100644
index d93e44e..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_09.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_09.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a09.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, len, task = 9;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	fprintf (stdout, "Source list:\n");
-	print_list(head, p);
-	
-	t = clock();
-	head = t9_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	fprintf (stdout, "\nFinal list:\n");
-	print_list(head, p);
-	len = get_length(head);
-
-	delete_list(head);
-
-	fprintf (stdout, "%s : Task = %d Length = %d Elapsed = %.2f\n", argv[0], task, len, t);
-	return 0;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_10.c b/2025.05.23/dist/Krivoruchenko_SK/main_10.c
deleted file mode 100644
index 11646f0..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/main_10.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-
-#include "solve_10.h"
-#include "node.h"
-#include "io_node.h"
-#include "status.h"
-
-/* ./a10.out p filename */
-int main (int argc, char *argv[])
-{
-	node *head;
-	char *name;
-	double t;
-	int p, len, task = 10;
-	io_status ret;
-
-	if (
-			!((argc == 3) && 
-			sscanf(argv[1], "%d", &p) == 1 &&
-			argv[2])
-	) {
-		fprintf(stderr, "Usage: %s p filename\n", argv[0]);
-		return -1;
-	}
-
-	name = argv[2];
-
-	ret = read_list(&head, name);
-	do {
-		switch (ret) {
-			case SUCCESS:
-				continue;
-			case ERR_OPEN:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_OPEN, name);
-				break;
-			case ERR_READ:
-				fprintf (stderr, "%s '%s'!\n", ERR_MSG_READ, name);
-				break;
-			case ERR_MEM:
-				fprintf (stderr, "%s!\n", ERR_MSG_MEM);
-				break;
-		}
-
-		delete_list(head);
-		return -2;
-	} while (0);	
-
-	fprintf (stdout, "Source list:\n");
-	print_list(head, p);
-	
-	t = clock();
-	head = t10_solve(head);
-	t = (clock() - t) / CLOCKS_PER_SEC;
-	
-	fprintf (stdout, "\nFinal list:\n");
-	print_list(head, p);
-	len = get_length(head);
-
-	delete_list(head);
-
-	fprintf (stdout, "%s : Task = %d Length = %d Elapsed = %.2f\n", argv[0], task, len, t);
-	return 0;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_01.c b/2025.05.23/dist/Krivoruchenko_SK/solve_01.c
deleted file mode 100644
index 1071e91..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_01.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include "solve_01.h"
-#include "node.h"
-
-#include <string.h>
-
-int t1_solve (node *head)
-{
-	char *maximum = head->string;
-	int count = 1;
-
-	for (head = head->next; head; head = head->next)
-	{
-		int cmp = strcmp(head->string, maximum);
-		if (cmp	> 0) {
-			maximum = head->string;
-			count = 1;
-		} else if (!cmp)
-			count++;
-	}
-
-	return count;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_01.h b/2025.05.23/dist/Krivoruchenko_SK/solve_01.h
deleted file mode 100644
index 69742a9..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_01.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-int t1_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_02.c b/2025.05.23/dist/Krivoruchenko_SK/solve_02.c
deleted file mode 100644
index 60ed5e8..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_02.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "solve_02.h"
-#include "node.h"
-
-#include <string.h>
-
-int t2_solve (node *head)
-{
-	char *last = head->string;
-	int count = 1;
-
-	for (head = head->next; head; head = head->next)
-	{
-		if (strcmp(head->string, last) > 0) 
-			count++;
-		last = head->string;
-	}
-
-	return count;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_02.h b/2025.05.23/dist/Krivoruchenko_SK/solve_02.h
deleted file mode 100644
index 8cd007e..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_02.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-int t2_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_03.c b/2025.05.23/dist/Krivoruchenko_SK/solve_03.c
deleted file mode 100644
index cd67edb..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_03.c
+++ /dev/null
@@ -1,32 +0,0 @@
-#include "solve_03.h"
-#include "node.h"
-
-#include <string.h>
-
-int t3_solve (node *head)
-{
-	char *last = head->string;
-	int count = 0, local = 1;
-
-	for (head = head->next; head; head = head->next)
-	{
-		int cmp = strcmp(head->string, last);
-		if (cmp < 0) {
-			if (local) {
-				count += local;
-				local = 0;
-			}
-		} else if (cmp == 0) {
-			if (local)
-				local++;
-		} else
-			local = 1;
-
-		last = head->string;
-	}
-
-	count += local;
-
-	return count;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_03.h b/2025.05.23/dist/Krivoruchenko_SK/solve_03.h
deleted file mode 100644
index cbde131..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_03.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-int t3_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_04.c b/2025.05.23/dist/Krivoruchenko_SK/solve_04.c
deleted file mode 100644
index 5e65862..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_04.c
+++ /dev/null
@@ -1,40 +0,0 @@
-#include "solve_04.h"
-#include "node.h"
-
-#include <string.h>
-
-int t4_solve (node *head)
-{
-	char *last = head->string;
-	int maximum = 0, count = 0, local = 1, strict = 1;
-
-	for (head = head->next; head; head = head->next)
-	{
-		int cmp = strcmp(head->string, last);
-		if (cmp > 0) {
-			count += local;
-			local = 1;
-			strict = 1;
-		} else if (cmp < 0) {
-			if (!strict)
-				count += local;
-			if (maximum < count)
-				maximum = count;
-			count = 0;
-			local = 1;
-			strict = 0;
-		} else {
-			local++;
-		}
-		last = head->string;
-	}
-	
-	if (!strict)
-		count += local;
-
-	if (maximum < count)
-		maximum = count;
-
-	return maximum;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_04.h b/2025.05.23/dist/Krivoruchenko_SK/solve_04.h
deleted file mode 100644
index 6cb74f8..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_04.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-int t4_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_05.c b/2025.05.23/dist/Krivoruchenko_SK/solve_05.c
deleted file mode 100644
index 14c38e4..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_05.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include "solve_05.h"
-#include "node.h"
-
-#include <string.h>
-
-int t5_solve (node *head)
-{
-	char *last = head->string;
-	int maximum = 1, count = 1;
-
-	for (head = head->next; head; head = head->next)
-	{
-		if (strcmp(head->string, last) > 0)
-			count++;
-		else {
-			if (maximum < count)
-				maximum = count;
-
-			count = 1;
-		}
-
-		last = head->string;
-	}
-
-	return maximum;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_05.h b/2025.05.23/dist/Krivoruchenko_SK/solve_05.h
deleted file mode 100644
index 126ce12..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_05.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-int t5_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_06.c b/2025.05.23/dist/Krivoruchenko_SK/solve_06.c
deleted file mode 100644
index 2c334dc..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_06.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "solve_06.h"
-#include "node.h"
-
-#include <string.h>
-
-int t6_solve (node *head)
-{
-	char *last = head->string;
-	int count = 1;
-
-	for (head = head->next; head; head = head->next)
-	{
-		if (strcmp(head->string, last))
-			count++;
-		last = head->string;
-	}
-
-	return count;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_06.h b/2025.05.23/dist/Krivoruchenko_SK/solve_06.h
deleted file mode 100644
index dbf48a3..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_06.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-int t6_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_07.c b/2025.05.23/dist/Krivoruchenko_SK/solve_07.c
deleted file mode 100644
index 25ada02..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_07.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include "solve_07.h"
-#include "node.h"
-
-#include <string.h>
-
-int t7_solve (node *head)
-{
-	char *last = head->string;
-	int maximum = 0, count = 1;
-
-	for (head = head->next; head; head = head->next)
-	{
-		if (strcmp(head->string, last))
-			count++;
-		else {
-			if (maximum < (count-1))
-				maximum = count-1;
-			count = 0;	
-		}
-		last = head->string;
-	}
-
-	if (maximum < count)
-		maximum = count;
-
-	return maximum;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_07.h b/2025.05.23/dist/Krivoruchenko_SK/solve_07.h
deleted file mode 100644
index e35b281..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_07.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-int t7_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_08.c b/2025.05.23/dist/Krivoruchenko_SK/solve_08.c
deleted file mode 100644
index 171c5f2..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_08.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include "solve_08.h"
-#include "node.h"
-
-#include <string.h>
-#include <stdlib.h>
-
-node * t8_solve (node *head)
-{
-	node *last = head;
-	node *curr, *next;
-	
-	curr = head->next;
-	if (!curr)
-		return head;
-
-	while (strcmp(last->string, curr->string) >= 0) {
-		free(last->string);
-		free(last);
-
-		last = curr;
-		head = curr;
-		curr = curr->next;
-		if (!curr)
-			return head;
-	}
-
-	for (next = curr->next; next; next = curr->next)
-	{
-		if (strcmp(curr->string, next->string) >= 0) {
-			free(curr->string);
-			free(curr);
-			
-			last->next = next;
-		} else
-			last = curr;
-
-		curr = next;
-	}
-
-	return head;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_08.h b/2025.05.23/dist/Krivoruchenko_SK/solve_08.h
deleted file mode 100644
index 3280479..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_08.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-node * t8_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_09.c b/2025.05.23/dist/Krivoruchenko_SK/solve_09.c
deleted file mode 100644
index ffb3bdc..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_09.c
+++ /dev/null
@@ -1,73 +0,0 @@
-#include "solve_09.h"
-#include "node.h"
-#include "io_node.h"
-
-#include <string.h>
-#include <stdlib.h>
-
-node * t9_solve (node *head)
-{
-	int cmp_last, cmp_next;
-	node *last, *curr, *next,
-	     *deleted;
-	last=next=deleted=NULL;
-	cmp_last=cmp_next=0;
-	curr = head;
-	if (!curr)
-		return NULL;
-
-	for (next = curr->next; next; next = curr->next)
-	{
-		if (deleted)
-			cmp_last = strcmp(curr->string, deleted->string);
-		else if (!last)
-			cmp_last = 1;
-		else
-			cmp_last = strcmp(curr->string, last->string);
-		cmp_next = strcmp(curr->string, next->string); // Как происходит обращение в память для структур?
-
-		if ((cmp_last >= 0) && (cmp_next >= 0))
-		{
-			if (deleted)
-				delete_node(deleted);
-			deleted = curr;
-			if (last) {
-				last->next = next; 
-				curr = last;
-			} else {
-				head = next;
-				curr = NULL;
-			}
-		} else
-		{
-			if (deleted)
-				delete_node(deleted);
-			deleted = NULL;
-		}
-		last = curr;
-		curr = next;
-	}
-
-	if (deleted)
-		cmp_last = strcmp(curr->string, deleted->string);
-	else if (!last)
-		cmp_last = 1;
-	else
-		cmp_last = strcmp(curr->string, last->string);
-
-	if (cmp_last >= 0)
-	{
-		delete_node(curr);
-		if (last)
-			last->next = NULL;
-		else
-			head = NULL;
-		curr = NULL;
-	}
-
-	if (deleted)
-		delete_node(deleted);
-
-	return head;	
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_09.h b/2025.05.23/dist/Krivoruchenko_SK/solve_09.h
deleted file mode 100644
index 30a5df5..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_09.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-node * t9_solve (node *head);
-
-#endif
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_10.c b/2025.05.23/dist/Krivoruchenko_SK/solve_10.c
deleted file mode 100644
index 51f60e7..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_10.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include "solve_10.h"
-#include "node.h"
-#include "io_node.h"
-
-#include <string.h>
-#include <stdlib.h>
-
-node * t10_solve (node *head)
-{
-	int down = 0;
-	node *last, *curr, *next,
-		*start;
-	last=next=start=NULL;
-	curr = head;
-
-	for (next=curr->next; next; next=curr->next)
-	{
-		if (strcmp(next->string, curr->string) <= 0) {
-			if (!down)
-				start = last;
-			down++;
-		} else {
-			if (down) {
-				if (start) {
-					delete_nodes(start->next, down+1);
-					start->next = next;
-					last = start;
-				} else {
-					delete_nodes(head, down+1);
-					head = next;
-					last = NULL;
-				}
-				curr = NULL;
-			}
-			down = 0;
-		}
-		
-		last = curr;
-		curr = next;
-	}
-
-	if (down) {
-		if (start) {
-			delete_nodes(start->next, down+1);
-			start->next = NULL;
-		} else {
-			delete_nodes(head, down+1);
-			head = NULL;
-		}
-		curr = NULL;
-		last = NULL;
-	}
-
-	return head;
-}
-
diff --git a/2025.05.23/dist/Krivoruchenko_SK/solve_10.h b/2025.05.23/dist/Krivoruchenko_SK/solve_10.h
deleted file mode 100644
index f080366..0000000
--- a/2025.05.23/dist/Krivoruchenko_SK/solve_10.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SOLVE_H
-#define SOLVE_H
-
-#include "node.h"
-
-node * t10_solve (node *head);
-
-#endif