Submission #6976305

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N,A=1;
  cin >> N;
  
  vector<int> a(N);
  for(int i=0;i<N;i++) cin >> a.at(i);
  
  sort(a.begin(),a.end());
  
  for(int i=0;i<N-1;i++) if(a.at(i)!=a.at(i+1))A++;
        
  cout << A << endl;
  
}

Submission Info

Judge Result