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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n;cin>>n;
  6.     vector<int> a(n);
  7.     for(int i=0;i<n;i++) cin>>a[i];
  8.  
  9.     sort(a.rbegin(),a.rend());
  10.  
  11.     int ans=0,c=0;
  12.  
  13.     for(int i=0;i<n-1;i++) {
  14.         c++;
  15.         if(a[i]!=a[i+1])
  16.             ans+=c;
  17.     }
  18.  
  19.     cout<<ans<<endl;
  20. }
Success #stdin #stdout 0s 5284KB
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https://ideone.com/9P4UZU
17
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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