If you’ve ever searched for ways to practice coding or prep for tech interviews, you’ve probably seen LeetCode mentioned everywhere. But in 2025, is LeetCode free, or do you have to pay to get ...

Getting ready for coding interviews can feel like a big challenge, but with the right plan and practice, you can definitely boost your chances of doing well. LeetCode is a really popular website for ...

ABSTRACT: The Collatz Conjecture asserts that for all positive integers s , every Syracuse integer sequence defined by T( s )=s/2 if s is even, and T( s )= ( 3s+1 )/2 otherwise, eventually reaches 1 ...

Researchers have found a way to improve crop yields by addressing photorespiration. This metabolic process, which occurs alongside photosynthesis, can reduce crop productivity by up to 36%.

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

给定一个长度为 n 的环形整数数组 nums ，返回 nums 的非空 子数组 的最大可能和 。 环形数组 意味着数组的末端将会与开头相连呈环状。形式上， nums[i] 的下一个元素是 nums[(i + 1) % n] ， nums[i] 的前一个元素是 nums[(i - 1 + n) % n] 。 子数组 最多只能包含固定 ...

Abstract: Maximum subarray is a classical problem in computer science that given an array of numbers aims to find a contiguous subarray with the largest sum. We focus on its use for a noisy ...