문제

링크

풀이

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