Array

Combination Sum

Backtracking

Medium

Container With Most Water

Greedy · Two Pointers

Medium

Find Minimum in Rotated Sorted Array

Binary Search

Medium

Find Peak Element

Binary Search

Medium

Gas Station Circuit

Greedy

Medium

House Robber

Dynamic Programming

Medium

House Robber II

Dynamic Programming

Medium

Jump Game

Dynamic Programming

Medium

K Closest Points to Origin

Heap (Priority Queue) · Math · Sorting

Medium

Koko Eating Bananas

Binary Search

Medium

Kth Largest Element in an Array

Divide and Conquer · Heap (Priority Queue) · Sorting

Medium

Longest Consecutive Sequence

Hash Table · Union Find

Medium

Longest Increasing Subsequence

Binary Search · Dynamic Programming

Medium

Maximum Product Subarray

Dynamic Programming

Medium

Merge Intervals

Sorting

Medium

Merge Sorted Array

Sorting · Two Pointers

Medium

Minimum Path Sum

Dynamic Programming · Matrix

Medium

Number of Islands

Breadth-First Search · Depth-First Search · Matrix · Union Find

Medium

Permutations

Backtracking

Medium

Product of Array Except Self

Prefix Sum

Medium

Rotate Array

Math · Two Pointers

Medium

Rotate Image

Math · Matrix

Medium

Search in Rotated Sorted Array

Binary Search

Medium

Set Matrix Zeroes

Hash Table · Matrix

Medium

Sort Colors (Dutch Flag)

Sorting · Two Pointers

Medium

Spiral Matrix

Matrix

Medium

Subarrays Summing to K

Hash Table · Prefix Sum

Medium

Subsets

Backtracking · Bit Manipulation

Medium

Two Sum II - Input Array Is Sorted

Binary Search · Two Pointers

Medium