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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int o, P;
  6.     cin >> o;
  7.  
  8.     cin >> P;
  9.  
  10.     int x; // parzysta wartosc, ktora traci P
  11.     cin >> x;
  12.  
  13.     if (x % 2 != 0) {
  14.         return 1;
  15.     }
  16.  
  17.     // krok 1: P traci x
  18.     P -= x;
  19.  
  20.     // krok 2: o traci polowe x
  21.     o -= x / 2;
  22.  
  23.     // krok 3: o otrzymuje tyle co stracilo P (czyli x)
  24.     o += x;
  25.  
  26.     cout << o << endl;
  27.  
  28.  
  29.     return 0;
  30. }
  31.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
2 3 4
stdout 
4
https://ideone.com/5Nc59y
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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