Wise Coding Interview Questions
26 Wise coding interview problems with full optimal solutions — 13 easy, 10 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 Wise interviewer values, and a FAQ section.
Showing 3 problems of 26
- #24hardfoundational
24. Median of Two Sorted Arrays
Find the median across two sorted arrays in logarithmic time — Wise frames it as the mid-spread quote across two sorted FX order books.
- #25hardfoundational
25. Trapping Rain Water
Compute trapped water given an elevation map — Wise reframes it as the locked-up liquidity between two FX pool walls.
- #26hardfoundational
26. Merge k Sorted Lists
Merge k sorted linked lists into one — Wise reframes it as collapsing k ordered per-corridor settlement streams into a single FIFO ledger.