A problem that I can't solve from two years

Revision en1, by Mohamed_Saad62, 2020-10-12 04:11:32

I really want to know how to solve this problem :

You are given two positive integers d and s. Find minimal positive integer n which is divisible by d and has sum of digits equal to s.

the link : https://codeforces.com/contest/1070/problem/A

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en1 English Mohamed_Saad62 2020-10-12 04:11:32 291 Initial revision (published)