Please enter your email address or userHandle.
Given two integers a and b. find the smallest number x (greater than a) which is divisible by b.
The first line of input contains of an integer 'T' denoting number of test cases.Then T test cases follow.Only line of each test case contains two integers a and b .
For each case print an integer x corresponding to the answer .
1 <= T <= 100
0 <= a,b <= 109
We strongly recommend solving this problem on your own before viewing its editorial. Do you still
want to view the editorial?
Login to access your submissions.