Submission #2382982

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Source Code Expand

#include <bits/stdc++.h>
//---------------------------
using namespace std;
//---------------------------
#define REP(i,n) for(int i = 0; i < (n); i++)
#define P(x) cout << (x) << "\n"

#define MOD 1000000007 // 1e9+7
#define PI 3.1415926525
#define ll long long int // 10^18
#define INF 1000000001 // 1e9+1

int dx[4]={1,-1,0,0};
int dy[4]={0,0,1,-1};
//---------------------------

int main(){
  std::ios::sync_with_stdio(false);
  std::cin.tie(0);

  // ifstream in("input.txt");
  // cin.rdbuf(in.rdbuf());

  string s; int n; cin>>s>>n;
  vector<string> v;
  REP(i,5){
    REP(j,5){
      string chr;
      chr+=s[i];
      chr+=s[j];
      v.push_back(chr);
    }
  }
  P(v[n-1]);
  return 0;
}

Submission Info

Judge Result