fork(1) download
  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
stdin
1
1
2
2
stdout
YES