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

int main() {

    srand(time(NULL));

    int lines = 3, cols = 4;

    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);

    Rotate(arr, lines, cols);

    Print(arr, lines, cols);

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

}