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- LeetCode QuickStart Guide – Help Center
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, expand your
- Find the Winner of the Circular Game - LeetCode
Can you solve this real interview question? Find the Winner of the Circular Game - There are n friends that are playing a game The friends are sitting in a circle and are numbered from 1 to n in clockwise order More formally, moving clockwise from the ith friend brings you to the (i+1)th friend for 1 <= i < n, and moving clockwise from the nth friend brings you to the 1st friend The rules
- Problems - LeetCode
Boost your coding interview skills and confidence by practicing real interview questions with LeetCode Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies
- Subsets II - LeetCode
Can you solve this real interview question? Subsets II - Given an integer array nums that may contain duplicates, return all possible subsets (the power set) The
- Ransom Note - LeetCode
Can you solve this real interview question? Ransom Note - Given two strings ransomNote and magazine, return true if ransomNote can be constructed by using the letters from magazine and false otherwise Each letter in magazine can only be used once in ransomNote Example 1: Input: ransomNote = "a", magazine = "b" Output: false Example 2: Input: ransomNote = "aa", magazine = "ab" Output: false
- Unique Binary Search Trees - LeetCode
Given an integer n, return the number of structurally unique BST's (binary search trees) which has exactly n nodes of unique values from 1 to n Example 1: Input: n = 3 Output: 5 Example 2: Input: n = 1 Output: 1 Constraints: 1 <= n <= 19
- Find All Numbers Disappeared in an Array - LeetCode
However, the trick really is to not use any additional space than what is already available to use Sometimes, multiple passes over the input array help find the solution However, there's an interesting piece of information in this problem that makes it easy to re-use the input array itself for the solution
- Start your Coding Practice - Help Center
Code Editor 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 In order to achieve these unique features, our team integrates the editor with different context and coding environments
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