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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. using ll = long long ;ll n , x , y , kq;
  4. int main(){
  5.     freopen("REVENUE.INP","r",stdin);
  6.     freopen("REVENUE.OUT","w",stdout);
  7.     cin >> x >> y >> n;
  8.     ll c = n/7;
  9.     n = n%7;
  10.     kq = c*(2*y+5*x)+(y+(n-1)*x);
  11.     cout << kq;
  12.     return 0;
  13. }
Success #stdin #stdout 0.01s 5324KB
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stdin
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2 3 7
stdout
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17
https://ideone.com/g1uR55
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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