#include<cstdlib>
#include<ctime>
#include<iostream>
using namespace std;
int main()
{
int arr[10][10];
srand(time(NULL));
for(auto& row: arr)
for(auto& col: row)
col = rand() % 20 + 1;
for(auto& row : arr) {
for(auto& col: row) {
cout << ' ' << col;
if (col == 20) goto out;
}
cout << endl;
out:
return 0;