Varianta12-s2e5.cpp

#include <iostream>
using namespace std;


int main() {

	int n,a[25][25],i,j;	
	cin >> n;

	for (i = 1; i <= n; i++)
		for (j = 1; j <= n; j++)
			a[i][j] = (i * j) % 10;


	for (i = 1; i <= n; i++) {
		for (j = 1; j <= n; j++)
			cout << a[i][j] << " ";
		cout << '\n';
	}

	return 0;
}