lab7(974)

#include <iostream>
#include <math.h>
using namespace std;

int main() {
    int a[4][4];
    int n, i, j;
    cout << "n=" << endl;
    cin >> n;
    for (int i = 0; i <= n; i++)
    for (int j = 0; j <= n; j++)
        if( j>=i ) a[j][i] = n + i - j;
        else a[j][i] = 0;
 
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
            cout << a[i][j] << " ";
        cout << endl;
    }
    return 0;
}