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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n;cin>>n;
  7. 	while(n--){
  8. 		int c,b;
  9. 		cin>>c>>b;
  10. 		int cnt=0;
  11. 		if((c/b)<=1) {
  12. 			cout<<c<<endl;
  13. 			continue;
  14.  
  15. 		}
  16. 		int res=c/b;
  17. 		while(res){
  18. 			if(res&1) cnt++;
  19. 			res=res>>1;
  20. 		}
  21. 		cout<<cnt*b<<endl
  22. 		;
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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6
2 1
3 1
6 2
14142 137205
1000000 100
1000000 1000000
stdout
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1
2
4
14142
500
1000000
https://ideone.com/sKDJWL
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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