문제
풀이
#include <iostream>
#include <vector>
using namespace std;
void solve(void) {
int n; cin >> n;
vector<vector<int>> v(n, vector<int>(n));
for (int i=0; i<n; i++) for (int j=0; j<n; j++) cin >> v[i][j];
for (int i=1; i<=n; i++) {
for (int j=1; j<=n; j++) {
cout << i << " ";
}
cout << "\n";
}
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}