Computer Mathematics Program to Minimum Steps To Make Divisible with Explanation
Computer Mathematics
Medium
Integers & Divisibility
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1 min read
91 words
This problem helps you practice core Computer Mathematics fundamentals in a practical way. It builds intuition around divisible, minimum, step. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Given n and k, find the smallest non-negative x so (n+x) divisible by k.
Input Format
Two integers n k.
Output Format
One integer x.
Constraints
k>0
Code Solution
This explanation is written for learning purposes and to help beginners understand the concept clearly.
Compute r = n mod k (positive). If r==0 answer 0 else k-r.
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Solution Guide
Problem
Given n and k, find the smallest non-negative x so (n+x) divisible by k.
Details
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Difficulty
Medium
Computer Mathematics
Official Solution
Compute r = n mod k (positive). If r==0 answer 0 else k-r.
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