rail1/Lab_15/Lab15.cpp

#include <stdio.h>
#include <Windows.h>
#define _CRT_SECURE_NO_WARNINGS
#define NUM_ELEMENTS 100

int arr[NUM_ELEMENTS][NUM_ELEMENTS];
int n = 3, m = 4;

void print_arr() {
	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 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 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 save() {
	FILE* fout = fopen("C:\\temp\\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);
}
void load() {

	FILE* fin = fopen("C:\\temp\\arr1.txt", "rt");
	if (fin == NULL) {
		printf("Âõîäíîé ôàéë íå íàéäåí");
		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 duplicateColumn(int colIndex) {
	printf("!!!! duplicateColumn() !!!!\n");
	for (int i = 0; i < n; i++) {
		arr[i][m] = arr[i][colIndex];
	}
	m++;
}


void inputA() {
	printf("Ââåäèòå êîëè÷åñòâî ñòðîê (n): ");
	scanf_s("%d", &n);

	printf("Ââåäèòå êîëè÷åñòâî ñòîëáöîâ (m): ");
	scanf_s("%d", &m);
	printf("Ââåäèòå ýëåìåíòû ìàññèâà:\n");
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			printf("arr[%d][%d]: ", i, j);
			scanf_s("%d", &arr[i][j]);
		}
	}
}
void oddnumx10() {
	printf("!!!! oddnumx10 !!!!\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 multiples10() {
	printf("!!!! multiples10 !!!!\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 func_11() {
	int min, max, min_i, min_j;
	min = arr[0][0]; max = arr[0][0];
	min_i = 0; min_j = 0;

	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			if (arr[i][j] < min) {
				min = arr[i][j];
				min_i = i;
				min_j = j;
			}
			if (arr[i][j] > max) {
				max = arr[i][j];
			}
		}
	}

	int mean;
	mean = (max + min) / 2;

	for (int i = 0; i < min_i; i++) {
		for (int j = 0; j < min_j; j++) {
			arr[i][j] = mean;
		}
	}
}
void menu1() {
	printf("\n");
	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÷åòíûå 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: ñîõðàíèòü ìàññèâ â ôàéëå\n");
	printf("8: çàãðóçèòü ìàññèâ èç ãîòîâîãî ôàéëà\n");
	printf("9: óäàëèòü çàäàííóþ ñòðîêó èç ìàññèâà\n");
	printf("10: ïðîäóáëèðîâàòü çàäàííûé ñòîëáåö ìàññèâà\n");
	printf("11:âñå ýëåìåíòû, ñòîÿùèå âûøå è ëåâåå min ýëåìåíòà\n");
	printf("çàìåíèòü íà ñðåäíåå àðèôìåòè÷åñêîå min è max ýëåìåíòîâ\n");
	printf("\n");
	printf("-1: Âûéòè èç ïðîãðàììû\n");
	printf("Âûáðàííàÿ îïåðàöèÿ >>>>>> ");
}
void main() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	int item;
	do {
		print_arr();
		menu1();
		scanf_s("%d", &item);
		printf("\n");
		switch (item) {
		case 9: {
			int num;
			printf("Íîìåð ñòðîêè, êîòîðóþ íóæíî óäàëèòü: ");
			scanf_s("%d", &num);
			deleteRow(num);
		}
		break;
		case 7:
			save();
			break;
		case 10: {
			printf("Èíäåêñ ñòîëáöà, ÷òîáû åãî ïðîäóáëèðîâàòü: ");
			int c;
			scanf_s("%d", &c);
			duplicateColumn(c);
		}
		break;
		case 1:
			fillIx10();
			break;
		case 2:
			fillZero();
			break;
		case 3:
			randFill0_9();
			break;
		case 6:
			inputA();
			break;
		case 5:
			multiples10();
			break;
		case 4:
			oddnumx10();
			break;
		case 8:
			load();
			break;
		case 11:
			func_11();
			break;
		}
		 
	} while (item != -1);
}