diff --git a/2025.05.23/09Ex/solve.c b/2025.05.23/09Ex/solve.c
index eae4baa..3f63269 100644
--- a/2025.05.23/09Ex/solve.c
+++ b/2025.05.23/09Ex/solve.c
@@ -7,72 +7,67 @@
 
 node * t9_solve (node *head)
 {
-	node *last, *curr = head, *next, 
-	     *deleted = NULL, *last_cmp;
-	int cmp;
+	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;
 
-	next = head->next;
-	if (!next)
-		return head;
-
-	cmp = strcmp(curr->string, next->string);
-	if (cmp >= 0) {
-		deleted = curr;
-
-		head = next;
-		curr = next;
-		next = next->next;
-
-		if (!next) {
-			delete_node(deleted);
-			if (cmp == 0)
-				delete_node(curr);
-			return NULL;
-		}
-	}
-
-	for (next = curr->next; next->next;)
+	for (next = curr->next; next; next = curr->next)
 	{
-		last_cmp = curr;
-
-		last = curr;
-		curr = next;
-		next = curr->next;
-
 		if (deleted)
-			last_cmp = 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 (
-				(strcmp(curr->string, next->string) >= 0) && 
-				(strcmp(curr->string, last_cmp->string) >= 0) 
-		) {
+		if ((cmp_last >= 0) && (cmp_next >= 0))
+		{
 			if (deleted)
 				delete_node(deleted);
 			deleted = curr;
-
-			last->next = next;
-			curr = last;
-		} else {
+			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)
-		last_cmp = deleted;
+		cmp_last = strcmp(curr->string, deleted->string);
+	else if (!last)
+		cmp_last = 1;
 	else
-		last_cmp = curr;
+		cmp_last = strcmp(curr->string, last->string);
 
-	if (strcmp(next->string, last_cmp->string) >= 0) {
-		curr->next = NULL;
-
-		delete_node(next);
+	if (cmp_last >= 0)
+	{
+		delete_node(curr);
+		if (last)
+			last->next = NULL;
+		else
+			head = NULL;
+		curr = NULL;
 	}
 
 	if (deleted)
 		delete_node(deleted);
 
-	return head;
+	return head;	
 }
 
diff --git a/2025.05.23/Krivoruchenko_SK.zip b/2025.05.23/Krivoruchenko_SK.zip
new file mode 100644
index 0000000..b86b3e6
Binary files /dev/null and b/2025.05.23/Krivoruchenko_SK.zip differ
diff --git a/2025.05.23/dist/Krivoruchenko_SK/Makefile b/2025.05.23/dist/Krivoruchenko_SK/Makefile
index da157db..ac6435e 100644
--- a/2025.05.23/dist/Krivoruchenko_SK/Makefile
+++ b/2025.05.23/dist/Krivoruchenko_SK/Makefile
@@ -2,17 +2,17 @@ FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pe
 
 OBJ_COMMON = io_node.o
 
-NUMS = 1 2 3 4 5 6 7 8 9 10 11 12
+NUMS = 1 2 3 4 5 6 7 8 9 10
 
 OUTS = $(foreach n,$(NUMS),$(shell printf "a%02d.out\n" "$(n)"))
 
 all: $(OUTS)
 
 %.o: %.c
-	gcc -c $(FLAGS) $<
+	-gcc -c $(FLAGS) $<
 
 a%.out: main_%.o solve_%.o $(OBJ_COMMON)
-	gcc $(FLAGS) $^ -o $@ -lm
+	-gcc $(FLAGS) $^ -o $@ -lm
 
 clean:
 	 rm -f *.o *.out
diff --git a/2025.05.23/dist/Krivoruchenko_SK/io_node.c b/2025.05.23/dist/Krivoruchenko_SK/io_node.c
index 2a8e254..23652e5 100644
--- a/2025.05.23/dist/Krivoruchenko_SK/io_node.c
+++ b/2025.05.23/dist/Krivoruchenko_SK/io_node.c
@@ -17,6 +17,17 @@ int get_length (node * head)
 	return i;
 }
 
+void delete_nodes (node *head, const int count)
+{
+	for (int i = 0; i < count; ++i)
+	{
+		node *temp = head;
+		head = head->next;
+
+		delete_node(temp);
+	}
+}
+
 void delete_list (node * head)
 {
 	node *curr, *next;
diff --git a/2025.05.23/dist/Krivoruchenko_SK/io_node.h b/2025.05.23/dist/Krivoruchenko_SK/io_node.h
index e4b5399..db51796 100644
--- a/2025.05.23/dist/Krivoruchenko_SK/io_node.h
+++ b/2025.05.23/dist/Krivoruchenko_SK/io_node.h
@@ -13,6 +13,7 @@ static inline void delete_node (node *head)
 }
 
 int get_length (node *head);
+void delete_nodes (node *head, const int count);
 void delete_list (node *head);
 io_status read_list (node **list, const char *filename);
 void print_list (node *head, const int p);
diff --git a/2025.05.23/dist/Krivoruchenko_SK/main_09.c b/2025.05.23/dist/Krivoruchenko_SK/main_09.c
new file mode 100644
index 0000000..d93e44e
--- /dev/null
+++ b/2025.05.23/dist/Krivoruchenko_SK/main_09.c
@@ -0,0 +1,67 @@
+#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
new file mode 100644
index 0000000..11646f0
--- /dev/null
+++ b/2025.05.23/dist/Krivoruchenko_SK/main_10.c
@@ -0,0 +1,67 @@
+#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_09.c b/2025.05.23/dist/Krivoruchenko_SK/solve_09.c
new file mode 100644
index 0000000..ffb3bdc
--- /dev/null
+++ b/2025.05.23/dist/Krivoruchenko_SK/solve_09.c
@@ -0,0 +1,73 @@
+#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
new file mode 100644
index 0000000..30a5df5
--- /dev/null
+++ b/2025.05.23/dist/Krivoruchenko_SK/solve_09.h
@@ -0,0 +1,8 @@
+#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
new file mode 100644
index 0000000..51f60e7
--- /dev/null
+++ b/2025.05.23/dist/Krivoruchenko_SK/solve_10.c
@@ -0,0 +1,56 @@
+#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
new file mode 100644
index 0000000..f080366
--- /dev/null
+++ b/2025.05.23/dist/Krivoruchenko_SK/solve_10.h
@@ -0,0 +1,8 @@
+#ifndef SOLVE_H
+#define SOLVE_H
+
+#include "node.h"
+
+node * t10_solve (node *head);
+
+#endif
diff --git a/2025.05.23/tests/file_test.sh b/2025.05.23/tests/file_test.sh
index cc0e05c..46415df 100755
--- a/2025.05.23/tests/file_test.sh
+++ b/2025.05.23/tests/file_test.sh
@@ -19,7 +19,7 @@ rm -f "$outlog" "$errlog"
 
 echo "Тест запущен..."
 
-for npr in {1..7} ; do
+for npr in {1..10} ; do
 	num=$(printf "%02d" "$npr")
 	prog="a$num.out"
 	if [ -f $prog ]; then