Problem Library

Master these coding challenges to ace your next technical interview. Handpicked problems with personalized spaced repetition.

Showing 1-13 of 13 matching problems in NeetCode 150.

Topic focus

Array80Dynamic Programming35String33

These are the topics showing up most often in your current queue.

Title	Difficulty	Topics
4. Median of Two Sorted Arrays Open source	Hard	ArrayBinary SearchDivide and Conquer
33. Search in Rotated Sorted Array Open source	Medium	ArrayBinary Search
74. Search a 2D Matrix Open source	Medium	ArrayBinary SearchMatrix
153. Find Minimum in Rotated Sorted Array Open source	Medium	ArrayBinary Search
167. Two Sum II - Input Array Is Sorted Open source	Medium	ArrayTwo PointersBinary Search
268. Missing Number Open source	Easy	ArrayHash TableMath+3 more
287. Find the Duplicate Number Open source	Medium	ArrayTwo PointersBinary Search+3 more
300. Longest Increasing Subsequence Open source	Medium	ArrayBinary SearchDynamic Programming+1 more
704. Binary Search Open source	Easy	ArrayBinary Search
778. Swim in Rising Water Open source	Hard	ArrayBinary SearchDepth-First Search+6 more
875. Koko Eating Bananas Open source	Medium	ArrayBinary Search
981. Time Based Key-Value Store Open source	Medium	Hash TableStringBinary Search+1 more
1851. Minimum Interval to Include Each Query Open source	Hard	ArrayBinary SearchSweep Line+2 more