Description
Solutions
Give Minimum Sum

Give the minimum sum of (x+y) such that A and B are given and (A+x) should be multiple of (B+y).

Example 1: 

Input:  A = 8, B = 16
Output: 0 
Explanation:

Educated guess -

Since A is already a multiple of B, no additional sum is needed. Therefore, the answer is 0.

Example 2: 

Input:  A = 7, B = 37
Output: 4 
Explanation:

Educated guess -

The minimum sum of (x+y) to make (A+x) a multiple of (B+y) is 4. This can be achieved by setting x = 3 and y = 1, making (A+x) = 10 and (B+y) = 38, where 10 is a multiple of 38.
Constraints:
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Testcase
Result
Case 1

input:

output: