[C++] 백준 2675번 : 문자열 반복

https://www.acmicpc.net/problem/2675

#include <iostream>

#include <string>

using namespace std;

int main() {

int T, R;

string S;

cin >> T;

for (int i = 0; i < T; i++) {

cin >> R>>S;

for (int j = 0; j < S.length(); j++) 

for (int k = 0; k < R; k++) cout << S[j];

cout << '\n';

}

}