#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 AddColumn(int** arr, int lines, int& cols, int index) {
    for (int i = 0; i < lines; i++) {
        int* temp = new int[cols + 1];
        for (int j = 0; j < index; j++) {
            temp[j] = arr[i][j];
        }
        temp[index] = 0;
        for (int j = index; j < cols; j++) {
            temp[j + 1] = arr[i][j];
        }
        delete[] arr[i];
        arr[i] = temp;
    }
    cols++;
}

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);

    AddColumn(arr, lines, cols, 3);

    Print(arr, lines, cols);

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

}