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mhdew

Q2 a

Dec 2nd, 2018
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0
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C++ 0.29 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     int n;
  8.     cin>>n;
  9.     int a[n+2];
  10.     bool flag[111111];
  11.     for(int i=0;i<n;i++){
  12.         cin>>a[i];
  13.     }
  14.     int cunt=0;
  15.     for(int i=0;i<n;i++){
  16.         if(!flag[a[i]]){
  17.             flag[a[i]]=1;
  18.             cunt++;
  19.         }
  20.     }
  21.  
  22.     cout<<cunt<<endl;
  23.    
  24.     return 0;
  25. }
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