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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long
  4. signed main(){
  5. int t;
  6. cin >> t;
  7. while(t--){
  8. int a, b;
  9. cin >> a >> b;
  10. if(a*a*b%(1+a) > 0)
  11. cout << a*a*b/(1+a) + 1 << endl;
  12. else cout << a*a*b/(1+a) << endl;
  13.  
  14. }
  15.  
  16. }
Success #stdin #stdout 0.01s 5268KB
stdin
5
2 3
2 2
1 3
514 114
1000000000 1000000000
stdout
4
3
2
58483
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