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Community Question Bundle

DP Questions I Saw Coming and Still Missed

Four DP problems I recognized in the interview and still got wrong. Coin change with the wrong order of loops, LIS in O(n^2), edit distance with a missing base case, and a 2D grid DP with overcounted moves.

DP Questions I Saw Coming and Still Missed

Question Bundle

algorithms

dynamic-programming

memoization

interview-prep

By @hannahdelgado

November 30, 2025

Updated May 18, 2026

318 views

4.3 (12)

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