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Saleh127

CF 1421A

Oct 18th, 2020
54
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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define test int t; cin>>t; for(int cs=1;cs<=t;cs++)
  5. int main()
  6. {
  7. ios_base::sync_with_stdio(0);
  8. cin.tie(0);cout.tie(0);
  9.  
  10. test
  11. {
  12.  
  13. ll a,c,d,e,i,j,k,l;
  14. cin>>a>>c;
  15. d=(a^a)+(c^a);
  16. e=(a^c)+(c^c);
  17. cout<<min(d,e)<<endl;
  18.  
  19. }
  20.  
  21.  
  22.  
  23. return 0;
  24. }
  25.  
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