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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int n;
  7.     cin>>n;
  8.     int x,y,u,v;
  9.     while(n--)
  10.     {
  11.         cin>>x>>y>>u>>v;
  12.         int sox = u * 2 - x;
  13.         int soy = v * 2 - y;
  14.         cout<<sox<<' '<<soy<<'\n';
  15.     }
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/0LLiVS
language:
C++14 (gcc 8.3)
created:
13 hours ago
visibility:
public

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