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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int a,b,testy;
  6.  
  7. int main()
  8. {
  9.     cin>>testy;
  10.  
  11.     for (int i=0; i<testy; i++)
  12.     {
  13.         cin>>a>>b;
  14.  
  15.         while (a!=b)
  16.         {
  17.             if (a<b) b=b-a;
  18.             else if (b<a) a=a-b;
  19.         }
  20.         cout<<a+b;
  21.  
  22.         a=0; b=0;
  23.     }
  24.  
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0s 4264KB
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https://ideone.com/nm4gfm
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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