Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore.

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

Can you solve this real interview question? Search in Rotated Sorted Array II - There is an integer array nums sorted in non-decreasing order (not necessarily with distinct values). Before being passed to …

Can you solve this real interview question? Isomorphic Strings - Given two strings s and t, determine if they are isomorphic. Two strings s and t are isomorphic if the characters in s can be replaced to get …

Can you solve this real interview question? String Compression - Given an array of characters chars, compress it using the following algorithm: Begin with an empty string s. For each group of …

Can you solve this real interview question? Implement Queue using Stacks - Implement a first in first out (FIFO) queue using only two stacks. The implemented queue should support all the functions of a …

Can you solve this real interview question? Intersection of Two Arrays - Given two integer arrays nums1 and nums2, return an array of their intersection. Each element in the result must be unique and you …

Can you solve this real interview question? Customers Who Never Order - Table: Customers +-------------+---------+ | Column Name | Type ...

Can you solve this real interview question? Jump Game II - You are given a 0-indexed array of integers nums of length n. You are initially positioned at index 0. Each element nums[i] represents the …