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.

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.

Enhance your coding abilities and get valuable real-world feedback by participating in contests on LeetCode. You can also win up to 5000 LeetCoins per contest, as well as bonus prizes from …

Must-do List for Interview Prep

Enhance your coding skills and prepare for job interviews with LeetCode's study plans.

Can you solve this real interview question? Sudoku Solver - Write a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules: 1. …

Can you solve this real interview question? IPO - Suppose LeetCode will start its IPO soon. In order to sell a good price of its shares to Venture Capital, LeetCode would like to work on …

Can you solve this real interview question? Running Sum of 1d Array - Given an array nums. We define a running sum of an array as runningSum [i] = sum (nums [0]…nums [i]). Return the …