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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int X1, Y1, X2,Y2;
  7. 	cin >> X1 >> Y1 >> X2 >> Y2;
  8. 	if((X1-X2==1 or Y1-Y2==1 or (abs(X1-X2))== 1 or (abs(Y1-Y2)== 1))){
  9. 		cout << "YES";
  10. 	}else if(X1 > 4 or X2 > 4 or Y1 > 4 or Y2 > 4){
  11. 		cout << "NO";
  12. 	}
  13. 	return 0;
  14. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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3 3 
5 4
stdout
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YES
https://ideone.com/0qgwmS
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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