popitka_8/лаба 15/FileName.cpp

#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() {
	printf("!!!! print() !!!!\n");
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			printf("%3d ", arr[i][j]);
		}
		printf("\n");
	}
}
void print0() {
	print();
}




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 print1() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	fillIx10();
	
}




void fillZero() {
	printf("!!!! fillZero() !!!!\n");
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			arr[i][j] = 0;
		}
	}
}

void print2() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);

	
	fillZero();
	
}





void randFill0_9() {
	printf("!!!! randFill() !!!!\n");
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			arr[i][j] = rand() % 100;
		}
	}
}

void print3() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);

	randFill0_9();
	
}

void proizvedenie() {
	printf("!!!! *10() !!!!\n");
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			if (arr[i][j] % 2 != 0) {
				arr[i][j] *= 10;
			}
		}
	}
}

void print4() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);

	proizvedenie();

}


void delenie() {
	printf("!!!! *10() !!!!\n");
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			if (arr[i][j] % 10 == 0) {
				arr[i][j] /= 10;
			}
		}
	}
}

void print5() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);

	delenie();

}

int vvod() {

	// Ââîä ýëåìåíòîâ ìàññèâà
	printf("Ââåäèòå ýëåìåíòû ìàññèâà (%d x %d):\n", n, m);
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			printf("Ýëåìåíò [%d][%d]: \n", i, j);
			scanf_s("%d", &arr[i][j]);  // Ñ÷èòûâàíèå ýëåìåíòà
		}
	}

	// Âûâîä ýëåìåíòîâ ìàññèâà
	printf("Ââåäåííûé ìàññèâ:\n");
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			printf("%d ", arr[i][j]);  // Âûâîä ýëåìåíòà
		}
		printf("\n");  
	}

	return 0;
}

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--;
}

void print7() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	int num;
	printf("Íîìåð ñòðîêè, êîòîðóþ íóæíî óäàëèòü: ");
	scanf_s("%d", &num);
	deleteRow(num);
}

void save() {
	// Âûõîäíîé ôàéë
	FILE* fout = NULL;
	errno_t err = fopen_s(&fout, "C:\\Users\\home-PC\\Desktop\\ëàáû\\arr11.txt", "wt");
	if (err != 0 || fout == NULL) {
		printf("Âûõîäíîé ôàéë íå ñîçäàëñÿ\n");
		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);
}


void load() {
	FILE* fin = NULL;
	errno_t err = fopen_s(&fin, "C:\\Users\\home-PC\\Desktop\\ëàáû\\arr11.txt", "rt");
	if (err != 0 || fin == NULL) {
		printf("Âõîäíîé ôàéë íå íàéäåí\n");
		return;
	}

	fscanf_s(fin, "%d", &n);
	fscanf_s(fin, "%d", &m);

	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			fscanf_s(fin, "%d", &arr[i][j]);
		}
	}

	fclose(fin);
}



void main() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	int item;
	do {
		printf("\n");
		print();
		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 äî 100\n");
		printf("4: âñå íå÷åòíûå óâåëè÷èòü â 10 ðàç\n");
		printf("5: âñå êðàòíûå 10 óìåíüøèòü â 10 ðàç\n");
		printf("6: ââîä ìàññèâà\n");
		printf("7: óäàëèòü ñòðîêó\n");
		printf("8: ñîõðàíèòü ìàññèâ â ôàéë\n");
		printf("9: èçâëå÷ü ìàññèâ èç ôàéëà\n");
		printf("\n");
		printf("0: Âûéòè èç ïðîãðàììû\n");
		printf("Âûáðàííàÿ îïåðàöèÿ >>>>>> ");

		scanf_s("%d", &item);
		switch (item) {
		case 1:
			print1();
			break;
		case 2:
			print2();
			break;
		
		case 3:
			print3();
			break;
		case 4:
			print4();
			break;
		case 5:
			print5();
			break;
		case 6:
			vvod();
			break;
		case 7:
			print7();
			break;
		case 8:
			save();
			break;
		case 9:
			load();
			break;
		}
	} while (item != 0);
}