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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. int main() {
  5.     int y1, x1, y2, x2;
  6.     std::cin >> y1;
  7.     std::cin >> x1;
  8.     std::cin >> y2;
  9.     std::cin >> x2;
  10.  
  11.  
  12.     if(abs(y2-y1) == abs(x2-x1)){
  13.         std::cout << "YES" << "\n";
  14.     }
  15.     else if(y2==y1 || x2==x1){
  16.         std::cout << "YES" << "\n";
  17.     }
  18.     else{
  19.         std::cout << "NO" << "\n";
  20.     }
  21. }
Success #stdin #stdout 0.01s 5288KB
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YES
https://ideone.com/EdICiw
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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