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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  int X1, Y1, X2, Y2;
  6.  cin >> X1 >> Y1 >> X2 >> Y2;
  7.  if(X1 - 1 == X2 and Y1 + 1 == Y2 or X1 == X2 and Y1 + 1 == Y2){
  8.  	cout << "YES";
  9.  }else if(X2 < 1 or X2 > 8 or Y2 < 1  or Y2 > 8){
  10.  	cout << "NO";
  11.  }
  12. 	return 0;
  13. }
Success #stdin #stdout 0.01s 5320KB
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3 3 
5 3
stdout
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Standard output is empty
https://ideone.com/JXs8am
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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