#include <iostream>

using namespace std;

void print(int** arr, int row, int col) {
    for (int i = 0; i < row; i++) {
        for (int j = 0; j < col; j++) {
            cout << arr[i][j] << " ";
        }
        cout << endl;
    }
    cout << endl;
}

void fill(int** arr, int row, int col) {
    for (int i = 0; i < row; i++) {
        for (int j = 0; j < col; j++) {
            arr[i][j] = rand() % 10;
        }
    }
}

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

int main() {
    setlocale(LC_ALL, "ru");

    srand(time(NULL));

    int row = 5, col = 5;

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

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

    fill(arr, row, col);

    print(arr, row, col);

    change_column(arr, row, 0, 1);

    print(arr, row, col);

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