Chime Coding Interview Questions
25 Chime coding interview problems with full optimal solutions — 14 easy, 8 medium, 3 hard. Every problem ships with multiple approaches (brute-force first, then the optimal), complexity tables for each, company-specific tips on what an Chime interviewer values, and a FAQ section.
Showing 8 problems of 25
- #15mediumfoundational
15. LRU Cache
Design a Least Recently Used cache with O(1) get and put operations.
- #16mediumfoundational
16. Word Break
Determine if a string can be segmented into a space-separated sequence of dictionary words.
- #17mediumfoundational
17. Number of Islands
Count the number of connected land regions in a 2D grid of land and water cells.
- #18mediumfoundational
18. Course Schedule
Given prerequisite pairs over n courses, determine whether you can finish all courses (i.e., the dependency graph is acyclic).
- #19mediumfoundational
19. Kth Largest Element in an Array
Find the kth largest element in an unsorted array without fully sorting it.
- #20mediumfoundational
20. Coin Change
Compute the fewest number of coins from given denominations that sum to a target amount, or -1 if impossible.
- #21mediumfoundational
21. Top K Frequent Elements
Return the k most frequent elements in an integer array in better-than-O(n log n) time.
- #22mediumfoundational
22. House Robber
Given non-negative house values, compute the maximum amount you can rob without picking two adjacent houses.