Submission #891676

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Source Code Expand

#include <iostream>
using namespace std;

int main(int argc, char *argv[]){
  int N;
  cin >> N;
  int i;
  int a[N];
  for(i=0; i<N; ++i){
    cin >> a[i];
  }
  int ans = 0;
  for(i=0; i<N; ++i){
    if(a[a[i]-1] == i+1){
      ans++;
    }
  }
  ans /= 2;
  cout << ans << endl;
  return 0;
}
ogin

Submission Info

Compile Error

./Main.cpp:22:1: error: ‘ogin’ does not name a type
 ogin
 ^