Submission #8465972

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Source Code Expand

#include <iostream>
#include <string>
#include <vector>
#include <deque>
#include <queue>
#include <algorithm>
#include <set>
#include <map>
#include <bitset>
#include <cmath>
#define vv(a, b, c, d) vector<vector<d> >(a, vector<d>(b, c))
#define vvi vector<vector<int> >
#define vvl vector<vector<ll> >
#define vl vector<ll>
typedef long long int ll;
typedef long double ld;
using namespace std;

int main(int argc, char const *argv[]) {
  ll N;
  std::cin >> N;
  string S;
  std::cin >> S;
  if(N%2==1){
    std::cout << "No" << '\n';
  }else{
    for(int i=0;i<N/2;i++){
      if(S[i]!=S[i+N/2]){
        std::cout << "No" << '\n';
        exit(0);
      }
    }
    std::cout << "Yes" << '\n';
  }
  return 0;
}

Submission Info

Judge Result