With a vast amount of technical resources and over 2000 authentic company interview questions, LeetCode is the leading professional online tech platform to help you enhance your skills, …

Can you solve this real interview question? Convert Sorted Array to Binary Search Tree - Given an integer array nums where the elements are sorted in ascending order, convert it to a height …

Can you solve this real interview question? Unique Binary Search Trees - Given an integer n, return the number of structurally unique BST's (binary search trees) which has exactly n nodes …

Can you solve this real interview question? Find All Numbers Disappeared in an Array - Given an array nums of n integers where nums[i] is in the range [1, n], return an array of all the integers …

People tend to jump straight into practicing leetcode problems and end up having to do 300+ problems to get interview-ready. The issue with this is that LC problems are designed with …

LeetCode is working on providing the best online coding experience for you. In the code editor, we start you off with default code templates based on the question and your choice of language. …

Can you solve this real interview question? Score After Flipping Matrix - You are given an m x n binary matrix grid. A move consists of choosing any row or column and toggling each value in …

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⌋ …

Can you solve this real interview question? Longest Consecutive Sequence - Given an unsorted array of integers nums, return the length of the longest consecutive elements sequence.

Can you solve this real interview question? Next Permutation - A permutation of an array of integers is an arrangement of its members into a sequence or linear order. * For example, for …