07 2017 档案

Leetcode 91. Decode Ways
摘要：A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t 阅读全文
posted @ 2017-07-30 17:25 Deribs4 阅读(144) 评论(0) 推荐(0)
Leetcode 516. Longest Palindromic Subsequence
摘要：Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum length of s is 1000. Example 1:Input: Output 阅读全文
posted @ 2017-07-26 09:13 Deribs4 阅读(162) 评论(0) 推荐(0)
Leetcode 5. Longest Palindromic Substring
摘要：Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. Example: Example: Similar Question 阅读全文
posted @ 2017-07-25 13:25 Deribs4 阅读(181) 评论(0) 推荐(0)
Leetcode 647. Palindromic Substrings
摘要：Given a string, your task is to count how many palindromic substrings in this string. The substrings with different start indexes or end indexes are c 阅读全文
posted @ 2017-07-24 14:30 Deribs4 阅读(1756) 评论(0) 推荐(0)
Leetcode 165. Compare Version Numbers
摘要：Compare two version numbers version1 and version2.If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0. You may assum 阅读全文
posted @ 2017-07-23 10:49 Deribs4 阅读(164) 评论(0) 推荐(0)
Leetcode 520. Detect Capital
摘要：Given a word, you need to judge whether the usage of capitals in it is right or not. We define the usage of capitals in a word to be right when one of 阅读全文
posted @ 2017-07-22 14:44 Deribs4 阅读(155) 评论(0) 推荐(0)
Leetcode 125. Valid Palindrome
摘要：Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Pan 阅读全文
posted @ 2017-07-22 14:18 Deribs4 阅读(139) 评论(0) 推荐(0)
Leetcode 234. Palindrome Linked List
摘要：Given a singly linked list, determine if it is a palindrome. Follow up:Could you do it in O(n) time and O(1) space? Similar Questions Palindrome Numbe 阅读全文
posted @ 2017-07-21 20:21 Deribs4 阅读(161) 评论(0) 推荐(0)
Leetcode 9. Palindrome Number
摘要：Determine whether an integer is a palindrome. Do this without extra space. Some hints: Could negative integers be palindromes? (ie, -1) If you are thi 阅读全文
posted @ 2017-07-21 11:24 Deribs4 阅读(112) 评论(0) 推荐(0)
Leetcode 483. Smallest Good Base
摘要：For an integer n, we call k>=2 a good base of n, if all digits of n base k are 1. Now given a string representing n, you should return the smallest go 阅读全文
posted @ 2017-07-21 11:02 Deribs4 阅读(436) 评论(0) 推荐(0)
Leetcode 7. Reverse Integer
摘要：Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here a 阅读全文
posted @ 2017-07-19 14:15 Deribs4 阅读(142) 评论(0) 推荐(0)
Leetcode 319. Bulb Switcher
摘要：There are n bulbs that are initially off. You first turn on all the bulbs. Then, you turn off every second bulb. On the third round, you toggle every 阅读全文
posted @ 2017-07-19 13:46 Deribs4 阅读(140) 评论(0) 推荐(0)
Leetcode 365. Water and Jug Problem
摘要：You are given two jugs with capacities x and y litres. There is an infinite amount of water supply available. You need to determine whether it is poss 阅读全文
posted @ 2017-07-18 19:17 Deribs4 阅读(225) 评论(0) 推荐(0)
Leetcode 222. Count Complete Tree Nodes
摘要：Given a complete binary tree, count the number of nodes. Definition of a complete binary tree from Wikipedia:In a complete binary tree every level, ex 阅读全文
posted @ 2017-07-16 17:20 Deribs4 阅读(248) 评论(0) 推荐(0)
latex排版（CTeX winEdit输出“系统找不到指定的文件”的终极解决办法）
摘要：WinEdit的菜单栏中：Options->Execution Modes 弹出的界面见下面的图： 看上图中“1”所示位置，后面3项出现了“？”号（出现“系统找不到指定的文件”的错误时，所有项后面都会有“？”号），这说明系统找不到可执行程序。如何解决呢？在上图中切换到第二个选项卡“TeX Syste 阅读全文
posted @ 2017-07-09 16:02 Deribs4 阅读(2898) 评论(0) 推荐(0)