#include <iostream>

#define N 3 
#define M 4 

using namespace std;


int main() {
    setlocale(0, "");
    srand(time(0));

    int arr[N][M]{ 0 };
    int i;
    int j;

    int sum_r[N]{ 0 };
    int sum_c[M]{ 0 };
    int sum_all = 0;


    for (i = 0; i < N; ++i) {
        for (j = 0; j < M; ++j) {
            arr[i][j] = rand() % 55 + 2;
        }
    }

    cout << "Показати масив (рядки):\n";
    for (i = 0; i < N; ++i) {
        for (j = 0; j < M; ++j) {
            sum_r[i] += arr[i][j];
            cout.width(4);
            cout << arr[i][j];
        }
        cout << " | " << sum_r[i] << endl;
    }

    for (i = 0; i < M + 2; ++i) {
        cout << "----";
    }
    cout << endl;

    for (j = 0; j < M; ++j) {
        for (i = 0; i < N; ++i) {
            sum_c[j] += arr[i][j];
        }
    }

    for (i = 0; i < N; ++i) {
        sum_all += sum_r[i];
    }

    for (j = 0; j < M; ++j) {
        cout.width(4);
        cout << sum_c[j];
    }
    cout << " | " << sum_all << endl;

    system("pause");
    return 0;
}