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Proced_1_Pratyb_1.03

Feb 27th, 2018
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C++ 0.25 KB | None | 0 0
  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {
  5.     int per, a, rez;
  6.     cin>>per>>a;
  7.     if(a==0 || per==0)
  8.     {
  9.         cout<<"0"<<endl;
  10.         return 0;
  11.     }
  12.     rez=((per*a)-(2*(a*a)))/2;
  13.     cout<<rez<<endl;
  14.     return 0;
  15. }
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