TripAdvisor Coding Interview Questions
31 TripAdvisor coding interview problems with full optimal solutions — 22 easy, 7 medium, 2 hard. Every problem ships with multiple approaches (brute-force first, then the optimal), complexity tables for each, company-specific tips on what an TripAdvisor interviewer values, and a FAQ section.
Showing 2 problems of 31
- #30hardfoundational
30. Trapping Rain Water
Calculate total water trapped between elevation bars after rainfall — Tripadvisor's geographic elevation team models terrain profiles for outdoor activity recommendations, and this two-pointer DP pattern is a canonical elevation-analysis building block.
- #31hardfoundational
31. Word Ladder
Find the shortest transformation sequence between two words — Tripadvisor's destination-graph team applies BFS shortest-path reasoning to compute minimum-hop routes between destination nodes in their travel-graph recommendation engine.