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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main ()
  5. {
  6.     int n;
  7.     cin>>n;
  8.     int arr[5003] = {0};
  9.     int a;
  10.     for (int i=0; i<n; i++)
  11.     {
  12.         cin>>a;
  13.         arr[a] = 1;
  14.     }
  15.     int count = 0;
  16.     for (int i=1; i<=n; i++)
  17.         if (arr[i]==0)
  18.             count++;
  19.     cout<<count;
  20.     return 0;
  21. }
Success #stdin #stdout 0s 4292KB
comments (?)
stdin 
5
4 5 4 4 1
stdout 
2
https://ideone.com/2Osuid
v- P166SUMA - ROUND 6A - Captain Boomerang
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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