BOJ 5360 - Next Permutation [C++]

문제

링크

풀이

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
 
void solve(void) {
  string a; cin >> a;
 
  if (next_permutation(a.begin(), a.end())) cout << a << "\n";
  else cout << "USELESS\n";
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  int t; cin >> t;
  while (t--) solve();
  return 0;
}