Submission #1530841

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Source Code Expand

#include <iostream>
#include <vector>
#include <cmath>

using namespace std;
#define ll long long

ll N;
vector<ll> A;
int main(){
  cin >> N;
  for(ll i =0;i<N;i++){
    ll inp;
    cin >> inp;
    A.push_back(inp);
  }

  ll result=0;
  for(ll i =0;i<N;i++){
    for(ll j = i+1;j<N;j++){
      if(A[i] == A[j]){
        result++;
        break;
      }
    }
  }
  cout << result << endl;
  return 0;
}

Submission Info

Judge Result