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  1. LeetCode - The World's Leading Online Programming Learning Platform

    Not only does LeetCode prepare candidates for technical interviews, we also help companies identify top technical talent. From sponsoring contests to providing online assessments and training, we offer …

  2. Explore - LeetCode

    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.

  3. Majority Element - LeetCode

    Can you solve this real interview question? Majority Element - Given an array nums of size n, return the majority element. The majority element is the element that appears more than ⌊n / 2⌋ times. You may …

  4. Longest Increasing Subsequence - LeetCode

    Can you solve this real interview question? Longest Increasing Subsequence - Given an integer array nums, return the length of the longest strictly increasing ...

  5. Move Zeroes - LeetCode

    Can you solve this real interview question? Move Zeroes - Given an integer array nums, move all 0's to the end of it while maintaining the relative order of the non-zero elements. Note that you must do this …

  6. Jump Game II - LeetCode

    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 …

  7. Word Search - LeetCode

    Example 1: [https://assets.leetcode.com/uploads/2020/11/04/word2.jpg] Input: board = [ ["A","B","C","E"], ["S","F","C","S"], ["A","D","E","E"]], word = "ABCCED" Output: true Example 2: …

  8. Reverse Integer - LeetCode

    Can you solve this real interview question? Reverse Integer - Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go outside the signed 32-bit integer range [ …

  9. Remove Element - LeetCode

    The problem statement clearly asks us to modify the array in-place and it also says that the element beyond the new length of the array can be anything. Given an element, we need to remove all the …

  10. Interleaving String - LeetCode

    Example 1: [https://assets.leetcode.com/uploads/2020/09/02/interleave.jpg] Input: s1 = "aabcc", s2 = "dbbca", s3 = "aadbbcbcac" Output: true Explanation: One way to obtain s3 is: Split s1 into s1 = "aa" …