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LeetCode helps you enhance your coding skills, prepare for technical interviews and join tech communities. You can practice questions in 14 languages, participate in contests, get interview resources and land your dream job.
- Problems
Boost your coding interview skills and confidence by...
- Sign In
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- The World's Leading Online Programming Learning Platform
Can you solve this real interview question? Sliding Window...
- Permutations
Can you solve this real interview question? Permutations -...
- Soup Servings
Can you solve this real interview question? Soup Servings -...
- Unique Binary Search Trees II
Test Result. Ln 1, Col 1. Case 1 Case 2
- Reorganize String
Can you solve this real interview question? Reorganize...
- Can Make Arithmetic Progression From Sequence
A sequence of numbers is called an arithmetic progression if...
- Problems
LeetCode is a platform for practicing coding interview questions and learning algorithms. Browse problems by topic, difficulty, tags, and status, or create your own study plan with the 30 Days of JavaScript challenge.
转眼也是来leetcode上快四个月了,终于今天到了500,于是写点感想在这,有点到此一游的意味。 本人大二开学1个月,不是科班,刷leetcode算来是从大一下期末周之后开始的,主要还是在暑假,平均10天100道不眠不休嗯刷,刷完在csdn上搞点墨水,发发文章。
Study Plan - LeetCode. Store. Study Plan. My Study Plan. Ongoing. Featured. 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.
LeetCode offers coding and algorithmic problems for users to practice and prepare for technical interviews and coding competitions. It supports multiple programming languages, hosts weekly and biweekly contests, and provides mock interviews and online assessments.
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.
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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 particular established strategy in mind, and if you’re trying to learn the strategy from particular problems then that’s very inefficient.
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