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.

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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 …

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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.

Can you solve this real interview question? 3Sum - Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j ...

1. Please don't post any solutions in this discussion. 2. The problem discussion is for asking questions about the problem or for sharing tips - anything except for solutions. 3. If you'd like to share your …

Can you solve this real interview question? Best Time to Buy and Sell Stock - You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by …

Given an m x n matrix, return all elements of the matrix in spiral order. Example 1: Input: matrix = [[1,2,3],[4,5,6],[7,8,9]] Output: [1,2,3,6,9,8,7,4,5] Example 2 ...