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iterative: Core code recurring : Core code Reverse Linked List II Reverse a linked list from position m to n. Do it in-place and in one-pass. For exam 阅读全文
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BackTracking (DFS) 39. Combination Sum Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candi 阅读全文
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Description: Count the number of prime numbers less than a non-negative number, n. 阅读全文
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Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longes 阅读全文
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Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the leng 阅读全文
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楼主投的backend dev，结果拿了个 UI designer 的电面，backend resume就拒了。。。 在网上搜了这家公司，据说很不靠谱。。。 因为楼主是在职跳槽， 电面又要code test online （UI 怎么code，楼主真是恶补css和html）。于是楼主躲在restro 阅读全文
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Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). For example,S = "ADOBECOD 阅读全文
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博主决定认真刷题～～～ Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note: Do not modify the linked list. Follo 阅读全文
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1.安装ref:http://blog.csdn.net/fsw0723/article/details/170409992.JSON回顾：JSON 语法是 JavaScript 对象表示法语法的子集。数据在名称/值对中数据由逗号分隔花括号保存对象方括号保存数组JSON 值可以是：数字（整数或浮点数... 阅读全文
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博主，自学了两天，花了半天做出来的一个静态网页：作为一个妹子，博主对自己的审美观实在没有一点自信呀～捂脸～～ 阅读全文