counting-sort Interview Questions
2 interview questions in our bank cover counting-sort, most of them Coding & Leetcode-style Questions. They average 2.5/5 difficulty — medium — and each one was reported by a candidate after a real interview. Companies known to ask about counting-sort: Pinduoduo, Apple.
Practice these on the problems board →Companies that ask about counting-sort
Question mix
- Coding & Leetcode-style Questions2
Difficulty
- 2/5 — easy1
- 3/5 — medium1
Questions tagged counting-sort
Sort Colors and Sizes
2/5This Pinduoduo interview exercise asks you to extract unique attributes from a collection of items containing color and size pairs while sorting the size attributes in a specific logical order without using standard sorting libraries. It tests your foundational data processing capabilities, custom ordering logic, and handling of categorical data structures. You must implement manual ordering rules for standardized apparel sizes. Unlock the full challenge context and expert solution by subscribing.
Coding & Leetcode-style QuestionsPinduoduoZero Out Duplicates and Sort Without Native Sort
3/5This Apple interview challenge asks you to process an unorganized sequence of numeric items by replacing duplicate entries with zeros and arranging the remaining unique elements in ascending order. The exercise tests your grasp of fundamental data manipulation and custom sorting algorithms without relying on built-in library functions. You will need to carefully manage time and space efficiency while transforming the collection. Gain access to the full problem statement and complete model implementation with a subscription.
Coding & Leetcode-style QuestionsApple
Studied alongside
counting-sort interview FAQ
- How many counting-sort interview questions are there?
- 2 reported questions, mostly Coding & Leetcode-style Questions.
- Which companies ask counting-sort questions?
- Pinduoduo (1), Apple (1).
- How hard are counting-sort questions?
- They average 2.5 out of 5: 1 at 2/5, 1 at 3/5.