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ekzolot

Untitled

Apr 15th, 2022
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C++ 0.37 KB | None | 0 0
  1. #include <iostream>
  2. #include <unordered_set>
  3. using namespace std;
  4. int main(){
  5.     int n;
  6.     cin>>n;
  7.     long long a, b, c;
  8.     cin>>a>>b>>c;
  9.     unordered_set <long long> ans;
  10.     for (int i=0; i<=n; i++){
  11.         for (int j=0; j<=n-i; j++){
  12.             long long h=i*a+j*b+c*(n-i-j);
  13.             ans.insert(h);
  14.         }
  15.     }
  16.     cout<<ans.size()<<endl;
  17. }
  18.  
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