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Study Plan - LeetCode Enhance your coding skills and prepare for job interviews with LeetCode's study plans
Contest - LeetCode 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 sponsored companies
Array - LeetCode 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
How to create test cases on LeetCode? - Help Center 3 Understanding LeetCode Input Formats Correctly inputting test cases in LeetCode is crucial for testing and debugging your code This section guides you through the various input types you'll encounter, from basic data types to complex custom data structures and special input scenarios 3 1 Basic Data Types This section covers fundamental data types like integers, booleans, characters, and
Profile - LeetCode 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
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
Valid Parentheses - LeetCode Can you solve this real interview question? Valid Parentheses - Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid An input string is valid if: 1 Open brackets must be closed by the same type of brackets 2 Open brackets must be closed in the correct order 3 Every close bracket has a corresponding open bracket of the
Palindrome Number - LeetCode Can you solve this real interview question? Palindrome Number - Given an integer x, return true if x is a palindrome, and false otherwise Example 1: Input: x = 121 Output: true Explanation: 121 reads as 121 from left to right and from right to left Example 2: Input: x = -121 Output: false Explanation: From left to right, it reads -121 From right to left, it becomes 121- Therefore it is not