DZ.cpp

#include <iostream>
#include <Windows.h>

using namespace std;

const int N = 7, M = 3;
void fillMatrix(int array[N][M], int a, int b);
void printMatrix(int array[N][M]);
void findNegative(int array[N][M]);
int matrixSum(int array[N][M]);
void countEvenNumbers(int array[N][M]);
void maxElement(int array[N][M]);
void minElement(int array[N][M]);
void masSum(int array[N][M], int mas[N]);

int main()
{
	int mas[N][M];
	int arr[N];
	srand(8);
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	while (true)
	{

		int num;
		cout << "\t\t\t\tMenu:" << endl << endl;
		cout << "\t1 - ²í³ö³àë³çàö³ÿ äâîâèì³ðíîãî ìàñèâó." << endl;
		cout << "\t2 - Çàì³íèòè âñ³ â³ä’ºìí³ åëåìåíòè ìàòðèö³ íà 0." << endl;
		cout << "\t3 - Çíàéòè ñóìó âñ³õ åëåìåíò³â ìàòðèö³." << endl;
		cout << "\t4 - ϳäðàõóâàòè ê³ëüê³ñòü ïàðíèõ ÷èñåë â êîæíîìó ñòîâïö³." << endl;
		cout << "\t5 - Âèâåñòè íàéá³ëüøèé åëåìåíò ìàòðèö³ òà éîãî ³íäåêñè." << endl;
		cout << "\t6 - Âèâåñòè íàéìåíøèé åëåìåíò ìàòðèö³ òà éîãî ³íäåêñè." << endl;
		cout << "\t7 - Óòâîðèòè îäíîâèì³ðíèé ìàñèâ ç ñóì åëåìåíò³â êîæíîãî ðÿäêà." << endl;
		cout << "\t0 - Âèõ³ä." << endl;
		cout << endl << "\tÂâåä³òü ñâ³é âèá³ð: ";
		cin >> num;

		system("cls");
		switch (num)
		{
		case 1:
			fillMatrix(mas, -10, 10);
			printMatrix(mas);
			system("pause");
			break;
		case 2:
			cout << "Ïî÷àòêîâà ìàòðèöÿ: " << endl;
			printMatrix(mas);
			cout << endl << "Ìàòðèöÿ áåç â³ä'ºìíèõ åëåìåíò³â: " << endl;
			findNegative(mas);
			printMatrix(mas);
			fillMatrix(mas, -10, 10);
			system("pause");
			break;
		case 3:
			printMatrix(mas);
			cout << endl << endl << "Ñóìà åëåìåíò³â ìàòðèö³ äîð³âíþº: " << matrixSum(mas) << endl;
			system("pause");
			break;
		case 4:
			printMatrix(mas);
			countEvenNumbers(mas);
			system("pause");
			break;
		case 5:
			printMatrix(mas);
			maxElement(mas);
			system("pause");
			break;
		case 6:
			printMatrix(mas);
			minElement(mas);
			system("pause");
			break;
		case 7:
			printMatrix(mas);
			masSum(mas, arr);
			system("pause");
			break;
		case 0:
			exit(0);
			break;
		default:cout << "Error" << endl;
			system("pause");
			break;
		}
		system("cls");
	}

}

void fillMatrix(int array[N][M], int a, int b) {
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < M; j++) {
			array[i][j] = a + rand() % (b - a + 1);
		}
	}
}
void printMatrix(int array[N][M]) {
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < M; j++) {
			cout << array[i][j] << "\t";
		}
		cout << endl;
	}
}
void findNegative(int array[N][M]) {
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < M; j++) {
			if (array[i][j] < 0)
				array[i][j] = 0;
		}
	}
}
int matrixSum(int array[N][M]) {
	int Sum = 0;
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < M; j++) {
			Sum += array[i][j];
		}
	}
	return Sum;
}
void countEvenNumbers(int array[N][M]) {
	int count = 0;
	for (int j = 0; j < M; j++) {			// çîâí³øí³é öèêë ïî ñòîâïöÿì

		for (int i = 0; i < N; i++) {		// âíóòð³øí³é öèêë ïî ðÿäêàì
			if (array[i][j] % 2 == 0)
			{
				count++;
			}
		}
		cout << "ʳëüê³ñòü ïàðíèõ ÷èñåë â " << j + 1 << " còîâïö³: " << count << endl;
		count = 0;							// ë³÷èëüíèê ïàðíèõ åëåìåíò³â â ñòîâïö³
	}
}
void maxElement(int array[N][M]) {
	int max, max_i, max_j;
	max = array[0][0];					// ïðèéìåìî çà íàéá³ëüøèé ïåðøèé åëåìåíò ìàñèâó
	max_i = 0;							// ³íäåêñè ìàêñèìàëüíîãî åëåìåíòó
	max_j = 0;
	for (int i = 0; i < N; i++) {		// çîâí³øí³é öèêë ïî ðÿäêàì
		for (int j = 0; j < M; j++) {	// âíóòð³øí³é öèêë ïî ñòîâïöÿì
			if (array[i][j] > max) {	// ÿêùî åëåìåíò á³ëüøå ìàêñèìóìó, òî
				max = array[i][j];		// â³í ñòຠíàéá³ëüøèì	
				max_i = i;				// çàïàì'ÿòîâóºìî éîãî ³íäåêñè
				max_j = j;
			}
		}
	}
	cout << "   Ìàêñèìàëüíèé åëåìåíò:  " << max << endl;
	cout << "   ³í çíàõîäèòüñÿ ó  " << max_i + 1 << " ðÿäêó òà " << max_j + 1 << " ñòîâïö³" << endl;
}
void minElement(int array[N][M]) {
	int min, min_i, min_j;

	for (int i = 0; i < N; i++) {		// çîâí³øí³é öèêë ïî ðÿäêàì
		min = array[i][0];				// ïðèéìåìî çà íàéá³ëüøèé ïåðøèé åëåìåíò i-ãî ðÿäêó
		min_i = i;						// ³íäåêñè ì³í³ìàëüíîãî åëåìåíòó
		min_j = 0;
		for (int j = 1; j < M; j++) {	// âíóòð³øí³é öèêë ïî ñòîâïöÿì
			if (array[i][j] < min) {	// ÿêùî åëåìåíò ìåíøå ì³í³ìàëüíîãî, òî
				min = array[i][j];		// â³í ñòຠì³í³ìàëüíèì	
				min_i = i;				// çàïàì'ÿòîâóºìî éîãî ³íäåêñè
				min_j = j;
			}
		} // âèâîäèìî ì³í³ìàëüíèé åëåìåíò ðÿäêà òà éîãî ³íäåêñ:
		cout << "   ̳í³ìàëüíèé åëåìåíò   " << i + 1 << " ðÿäêà äîð³âíþº " << min << endl;
		cout << "   ³í çíàõîäèòüñÿ ó  " << min_j + 1 << " ñòîâïö³\n\n";
	}
}
void masSum(int array[N][M], int mas[N]) {
	int Sum;
	cout << "Ìàñèâ ç ñóì ðÿäê³â: ";
	for (int i = 0; i < N; i++) {		// çîâí³øí³é öèêë ïî ðÿäêàì
		Sum = 0;
		for (int j = 0; j < M; j++) {	// âíóòð³øí³é öèêë ïî ñòîâïöÿì
			Sum += array[i][j];			// øóêàºìî ñóìó åëåìåíò³â ðÿäêà
		}
		mas[i] = Sum;					// äîäàºìî â îäíîâèì³ðíèé ìàñèâ ñóìó â³äïîâ³äíîãî ðÿäêà
		cout << mas[i] << " ";
	}
	cout << endl;

}