#include <iostream>

using namespace std;

void Fill(int** arr, int lines, int cols) {
    for (int i = 0; i < lines; i++) {
        for (int j = 0; j < cols; j++) {
            arr[i][j] = rand() % 100;
        }
    }
}

void Print(int** arr, int lines, int cols) {
    for (int i = 0; i < lines; i++) {
        for (int j = 0; j < cols; j++) {
            cout << arr[i][j] << '\t';
        }
        cout << endl;
    }
    cout << endl;
}


void Change(int** arr, int lines, int index1, int index2) {
    for (int i = 0; i < lines; i++) {
        int temp = arr[i][index1];
        arr[i][index1] = arr[i][index2];
        arr[i][index2] = temp;
    }
}

int main() {

    srand(time(NULL));

    int lines = 5, cols = 5;

    int** arr = new int* [lines];

    for (int i = 0; i < lines; i++) {
        arr[i] = new int[cols];
    }

    Fill(arr, lines, cols);

    Print(arr, lines, cols);

    Change(arr, lines, 1, 3);

    Print(arr, lines, cols);

    for (int i = 0; i < lines; i++) {
        delete[] arr[i];
    }
    delete[] arr;

}