Monzo Coding Interview Questions
25 Monzo 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 Monzo interviewer values, and a FAQ section.
Showing 3 problems of 25
- #23hardfoundational
23. Trapping Rain Water
Given daily savings-pot heights, compute the total amount of unused capacity trapped between peaks.
- #24hardfoundational
24. Median of Two Sorted Arrays
Combine two sorted ledger snapshots and return the median transaction amount in O(log) time.
- #25hardfoundational
25. Merge k Sorted Lists
Merge k sorted ledger streams (one per shard) into a single time-ordered transaction feed.