diff --git a/15 Лаба.cpp b/15 Лаба.cpp
new file mode 100644
index 0000000..aac884e
--- /dev/null
+++ b/15 Лаба.cpp	
@@ -0,0 +1,247 @@
+#define _CRT_SECURE_NO_WARNINGS
+#include <stdio.h>
+#include <Windows.h>
+
+#define MAX_N 8
+#define MAX_M 10
+
+int arr[MAX_N][MAX_M] = {
+	{ 0,  1,  222, 3},
+	{10, 11, 12, 13},
+	{20, 21, 22, 23}
+};
+int n = 3;
+int m = 4;
+
+void print();
+void fillIx10();
+void fillZero();
+void randFill0_9();
+void oddsX10();
+void oddsx1();
+void printElements();
+void deleteRow(int delRow);
+void save();
+void load();
+void save();
+void load();
+void addColumn(int addColumn0);
+
+void main() {
+	SetConsoleCP(1251);
+	SetConsoleOutputCP(1251);
+	int item;
+	do {
+		printf("\n");
+		printf("------------------------------\n");
+		printf("Ñîäåðæèìîå ìàññèâà:");
+		printf("\n");
+		printf("Âûáåðèòå íóæíóþ âàì îïåðàöèþ:\n");
+		printf("1: Çàïîëíèòü çíà÷åíèÿìè i * 10 + j\n");
+		printf("2: Çàïîëíèòü íóëÿìè\n");
+		printf("3: Çàïîëíèòü ñëó÷àéíûìè çíà÷åíèÿìè\n");
+		printf("4: Âñå íå÷¸òíûå óâåëè÷èòü â 10 ðàç\n");
+		printf("5: Âñå êðàòíûå 10 óìåíüøèòü â 10 ðàç\n");
+		printf("6: Ââåäèòå ìàññèâ ñ êëàâèàòóðû\n");
+		printf("7: Óäàëèòü çàäàííóþ ñòðîêó èç ìàññèâà\n");
+		printf("8: Ñîõðàíèòü â ôàéë\n");
+		printf("9: Çàãðóçèòü ôàéë\n");
+		printf("10: Ïðîäóáëèðîâàòü çàäàííûé ñòîëáåö ìàññèâà\n");
+		printf("\n");
+		printf("-1: Âûéòè èç ïðîãðàììû\n");
+		printf("Âûáðàííàÿ îïåðàöèÿ >>>>>> ");
+
+		scanf_s("%d", &item);
+		switch (item) {
+		case 1:
+			fillIx10();
+			print();
+			break;
+		case 2:
+			fillZero();
+			print();
+			break;
+		case 3:
+			randFill0_9();
+			print();
+			break;
+
+		case 4:
+			oddsX10();
+			print();
+			break;
+		case 5:
+			oddsx1();
+			print();
+			break;
+		case 6:
+			printElements();
+			print();
+			break;
+		case 7:
+		{
+			int num;
+			printf("Íîìåð ñòðîêè, êîòîðóþ íóæíî óäàëèòü= ");
+			scanf_s("%d", &num);
+			deleteRow(num);
+			print();
+		}
+		break;
+		case 8:
+			save();
+			print();
+			break;
+		case 9:
+			load();
+			print();
+			break;
+		case 10:
+		{
+			print();
+			int num;
+			printf("Íîìåð ñòîëáöà, êîòîðûé íóæíî ïðîäóáëèðîâàòü= ");
+			scanf_s("%d", &num);
+			addColumn(num);
+			print();
+		}
+		break;
+		}
+	} while (item != 0);
+}
+
+
+void print() {
+	printf("!!!! Ìàññèâ !!!!\n");
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			printf("%3d ", arr[i][j]);
+		}
+		printf("\n");
+	}
+}
+
+void fillIx10() {
+	printf("!!!! fillIx10() !!!!\n");
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			arr[i][j] = i * 10 + j;
+		}
+	}
+}
+
+void fillZero() {
+	printf("!!!! fillZero() !!!!\n");
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			arr[i][j] = 0;
+		}
+	}
+}
+
+void randFill0_9() {
+	printf("!!!! randFill0_9() !!!!\n");
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			arr[i][j] = rand() % 10;
+		}
+	}
+}
+
+void oddsX10() {
+	printf("!!!! oddsX10() !!!!\n");
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			if (arr[i][j] % 2 != 0) {
+				arr[i][j] = arr[i][j] * 10;
+			}
+		}
+	}
+}
+
+void oddsx1() {
+	printf("!!!! oddsX1() !!!!\n");
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			if (arr[i][j] % 10 == 0) {
+				arr[i][j] = arr[i][j] / 10;
+			}
+		}
+	}
+}
+
+
+void printElements() {
+	printf("n = ");
+	scanf_s("%d", &n);
+	printf("m = ");
+	scanf_s("%d", &m);
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			scanf_s(" %d", &arr[i][j]);
+		}
+	}
+	printf("\n");
+}
+
+
+void deleteRow(int delRow) {
+	printf("!!!! deleteRow(%d) !!!!\n", delRow);
+	for (int i = delRow; i < n - 1; i++) {
+		for (int j = 0; j < m; j++) {
+			arr[i][j] = arr[i + 1][j];
+		}
+	}
+	n--;
+}
+
+// Ñîõðàíåíèå ñîñòîÿíèÿ
+void save() {
+	// Âûõîäíîé ôàéë
+	FILE* fout = fopen("arr1.txt", "wt");
+	if (fout == NULL) {
+		printf("Âûõîäíîé ôàéë íå ñîçäàëñÿ");
+		return;
+	}
+
+	fprintf(fout, "%d ", n);
+	fprintf(fout, "%d\n", m);
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			fprintf(fout, "%d ", arr[i][j]);
+		}
+		fprintf(fout, "\n");
+	}
+
+	fclose(fout);
+}
+
+// Çàãðóçêà ñîñòîÿíèÿ
+void load() {
+
+	FILE* fin = fopen("arr1.txt", "rt");
+	if (fin == NULL) {
+		printf("Âõîäíîé ôàéë íå íàéäåí");
+		return;
+	}
+
+	fscanf(fin, "%d", &n);
+	fscanf(fin, "%d", &m);
+
+	for (int i = 0; i < n; i++) {
+		for (int j = 0; j < m; j++) {
+			fscanf(fin, "%d", &arr[i][j]);
+		}
+	}
+
+	fclose(fin);
+}
+
+void addColumn(int addColumn0) {
+	printf("!!!! addColumn0(%d) !!!!\n", addColumn0);
+	for (int i = 0; i < n; i++) {
+		for (int j = addColumn0; j < m + 1; j++) {
+			arr[i][j] = arr[i][j - 1];
+		}
+	}
+	m++;
+}
\ No newline at end of file