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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 and Y1 != 1){
  9.    if(X1 == X2 and (abs(Y1 - Y2 == 2)) || X1 == X2 and Y1 + 1 == Y2){
  10.  
  11.    }
  12.  cout << "YES";
  13.  }else{
  14.    cout << "NO";
  15.  }
  16.   return 0;
  17. }
Success #stdin #stdout 0s 5312KB
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stdin
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5 2 
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stdout
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YES
https://ideone.com/XRbyjS
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

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