Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #include <bits/stdc++.h>
- using namespace std;
- int main()
- {
- ios_base::sync_with_stdio(0);
- cin.tie(0);cout.tie(0);
- int t;
- cin>>t;
- while(t--)
- {
- int a,c,d=0,e=0,f,i,j,k,l;
- cin>>a>>c;
- d=a-(a%c);
- d+=min(a%c,c/2);
- cout<<d<<endl;
- }
- return 0;
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement