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Learning Markdown ===== Useful editor: "StackEdit" . Course: "Lynda" The short note is writing by markdown. Basics paragraphs and header ( ) lists ( / 阅读全文
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Problem Given an array nums and a value val, remove all instances of that value in-placeand return the new length. Do not allocate extra space for ano 阅读全文
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1. What you need to know MUST-HAVE KNOWLEDGE data structures: linked lists tree, tries&graphs stacks&queues heaps arraylists hash tables algorithms: b 阅读全文
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Preparation Map(before interview) 3-12 months: continue working on the projects create the draft of resume and review read CC book learn and master bi 阅读全文
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I. Arrays 1.创建数组 create arrays（Initialization——YOU CAN SET THE CAPACITY OF THE ARRAY*） e.g. new int[5] data; 2.获取数组长度length get the length of the arra 阅读全文