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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. uint64_t square(uint64_t x)
  5. {
  6. 	return x * x;
  7. }
  8.  
  9. int main()
  10. {
  11.     int T;
  12.     cin >> T; //no of test cases
  13.     while(T--){
  14.         uint64_t x, y;
  15.         cin >> x >> y;
  16.         if(x%2==0 && y%2!=0 && y< x){
  17.             cout << fixed <<((x*x)-y)+1 << "\n";
  18.         }else if(x%2==0 && y%2!=0 && y>x){
  19.             cout << fixed << ((y*y)-x)+1 << "\n";
  20.         }else if(x%2==0 && y%2==0 && y<x){
  21.             cout << fixed << ((y*y)-x)+1 << "\n";
  22.         }else if(x%2==0 && y%2==0 && y>x){
  23.             cout << fixed << ((square((y*y)-1))+x)-1 << "\n";
  24.         }else if(x%2!=0 && y%2==0 && y<x){
  25.             cout << fixed << ((y*y)+x)-1 << "\n";
  26.         }else if(x%2!=0 && y%2==0 && y>x){
  27.             cout << fixed << (square((y-1)))+x << "\n";
  28.         }else if(x%2!=0 && y%2!=0 && y<x){
  29.             cout << fixed << (square((x-1)))+y << "\n";
  30.         }else if(x%2!=0 && y%2!=0 && y>x){
  31.             cout << fixed << ((y*y)-x)+1 << "\n";
  32.         }
  33.     }
  34.     return 0;
  35. }
Success #stdin #stdout 0.01s 5476KB
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stdin
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1 689913499 770079066
stdout
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593021767041187724
https://ideone.com/rnjRQZ
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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