Submission #1002677

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int main() {
  string S; int  N;
  cin >> S >> N;
  vector<string> vs;

  do {
    vs.push_back(string(S.begin(), S.begin() + 1) + string(S.begin(), S.begin() + 1));
    vs.push_back(string(S.begin(), S.begin() + 2));
  } while(next_permutation(S.begin(), S.end()));

  sort(vs.begin(), vs.end());
  vs.erase(unique(vs.begin(), vs.end()), vs.end());

  cout << vs[N - 1] << endl;

  return 0;
}

Submission Info

Judge Result