Leecode

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  leecode 39 Combination Sum

  题目详情 Given a set of candidate numbers (C) (without duplicates) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.The same repeated number may be chosen f...

  yhaolpz 2019-08-15 14:15 评论0 收藏0
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  Leecode - 从数组中删除重复项

  原文地址: https://www.luoyangfu.com/art... 题目 给定一个排序数组，你需要在原地删除重复出现的元素，使得每个元素只出现一次，返回移除后数组的新长度。 不要使用额外的数组空间，你必须在原地修改输入数组并在使用 O(1) 额...

  kamushin233 2019-08-23 18:04 评论0 收藏0
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  [Leecode] Linked List Cycle 链表环

  Linked List Cycle I Given a linked list, determine if it has a cycle in it.Follow up: Can you solve it without using extra space? 快慢指针法 复杂度 时间 O(N) 空间 O(1) 思路 这是一道非常经典的双指针题。我们从头设置一个快指针，一个慢指针。快指针一...

  includecmath 2019-08-14 12:27 评论0 收藏0
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  Leecode-3 Longest Substring Without Repeating Char

  题目 Given a string, find the length of the longest substring without repeating characters. Example 1: Input: abcabcbbOutput: 3 Explanation: The answer is abc, with the length of 3. Example 2: Input: bb...

  luzhuqun 2019-08-16 13:49 评论0 收藏0
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  如何用位运算实现整数的加减法

  今天刷Leecode刷到第371题： Sum of Two Integers Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example: Given a = 1 and b = 2, return 3. Credits: Special than...

  Worktile 2019-08-20 11:22 评论0 收藏0
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  web技术分享| LRU 缓存淘汰算法

  ...们运用所掌握的数据结构，设计和实现一个，或者参考 LeeCode 146 题。链表结点 Entryexport class Entry { value: T key: string | number next: Entry prev: Entry constructor(val: T) { this.value = val; }}双向链表 D...

  graf 2021-11-24 09:39 评论0 收藏0