原创 華爲機試刷題
服務器廣播 題目：服務器連接方式包括直接相連，間接連接。 A 和 B 直接連接， B 和 c 直接連接，則 A 和 c 間接連接。直接連接和間接連接都可以發送廣播。 給出一個 N * N 數組，代表 N 個服務器， mat
2020-06-12 23:15:07
1
原创 Leetcode 343. Integer Break
Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of tho
2020-02-22 19:39:07
原创 字符串匹配的Boyer-Moore算法
轉載自：http://www.ruanyifeng.com/blog/2013/05/boyer-moore_string_search_algorithm.html 上一篇文章，我介紹了KMP算法。 但是，它並不是效率最高的算
2020-02-22 19:38:56
原创 Leetcode 219. Contains Duplicate II
Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array s
2020-02-22 19:38:56
原创 Leetcode 125. Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For e
2020-02-22 19:38:56
原创 Leetcode 62. Unique Paths
A robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram below). The robot can only
2020-02-22 19:38:56
原创 Leetcode 347. Top K Frequent Elements
Given a non-empty array of integers, return the k most frequent elements. For example, Given [1,1,1,2,2,3] and k =
2020-02-22 19:38:56
原创 Leetcode 67. Add Binary
Given two binary strings, return their sum (also a binary string). For example, a = “11” b = “1” Return “100”. 按
2020-02-22 19:38:56
原创 Leetcode 190. Reverse Bits
Reverse bits of a given 32 bits unsigned integer. For example, given input 43261596 (represented in binary as 00000
2020-02-22 19:38:56
原创 Leetcode 28. Implement strStr()
Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of
2020-02-22 19:38:56
原创 Leetcode 365. Water and Jug Problem
You are given two jugs with capacities x and y litres. There is an infinite amount of water supply available. You n
2020-02-22 19:38:56
原创 Leetcode 318. Maximum Product of Word Length
Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not
2020-02-22 19:38:55
原创 Leetcode 378. Kth Smallest Element in a Sorted Matrix
Given a n x n matrix where each of the rows and columns are sorted in ascending order, find the kth smallest element in
2018-08-26 09:20:02
原创 Leetcode 230. Kth Smallest Element in a BST
Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note: You may assume
2018-08-26 09:20:02
3
原创 路燈最小發光距離
題目描述 V先生有一天工作到很晚，回家的時候要穿過一條長l的筆直的街道，這條街道上有n個路燈。假設這條街起點爲0，終點爲l，第i個路燈座標爲ai。路燈發光能力以正數d來衡量，其中d表示路燈能夠照亮的街道上的點與路燈的最遠距離，所有路燈發
2018-08-26 09:19:59
1