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C#随机生成连续多少个十六进制数字
1.调用系统函数生成全球唯一标识Guid.NewGuid().ToString();2.生成16组十六进制数 string randmData=Guid.NewGuid().ToString().Substring(24,12)+Guid.NewGuid().ToString(...
分类:Windows程序   时间:2015-01-31 16:04:00    阅读次数:295
leetcode 128. Longest Consecutive Sequence
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4, 200, 1, 3, 2],The longest ...
分类:其他好文   时间:2015-01-31 15:56:51    阅读次数:168
Substring with Concatenation of All Words
You are given a string,S, and a list of words,L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenati...
分类:其他好文   时间:2015-01-31 14:27:15    阅读次数:145
Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings.即找出一组字符串的最长公共前缀。public class Solution { public String longest...
分类:其他好文   时间:2015-01-31 12:06:54    阅读次数:110
leetcode 131. Palindrome Partitioning
Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ofs.For example, giv...
分类:其他好文   时间:2015-01-31 11:54:13    阅读次数:202
[Leetcode][Python]30: Substring with Concatenation of All Words
# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com'30: Substring with Concatenation of All Wordshttps://oj.leetcode.com/problems/substring-wi...
分类:编程语言   时间:2015-01-31 00:09:50    阅读次数:173
UVA10100:Longest Match(最长公共子序列)&&HDU1458Common Subsequence ( LCS)
题目链接:http://blog.csdn.net/u014361775/article/details/42873875题目解析:给定两行字符串序列,输出它们之间最大公共子单词的个数对于给的两个序列X 和 Y,用i 和 j分别作为它们的前缀指针,f[i][j]表示序列X的前缀Xi 和 序列Y的前缀...
分类:其他好文   时间:2015-01-30 19:12:19    阅读次数:428
Mysql字符串截取函数SUBSTRING的用法说明
函数:1、从左开始截取字符串 left(str, length) 说明:left(被截取字段,截取长度) 例:select left(content,200) as abstract from my_content_t 2、从右开始截取字符串 right(str, length) 说明:ri...
分类:数据库   时间:2015-01-30 17:31:03    阅读次数:202
Leetcode#5 Longest Palindromic Substring
原题地址最初的想法是用动态规划,令palin[i][j]表示s[i..j]是否是回文串,则有递推公式palin[i][j] = s[i] == s[j] && palin[i+1][j-1]。因为递推式只使用相邻层的值,所以编码的时候可以将二维状态数组压缩成一维的。代码: 1 string long...
分类:其他好文   时间:2015-01-30 17:03:05    阅读次数:105
leetcode.14----------Longest Common Prefix
题目:Write a function to find the longest common prefix string amongst an array of strings. 找出所有字符串的最长公共前缀。这道题很简单,但需要注意减少比较字符的操作次数。 2个字符串的最长公共前缀,其长度肯定不会超过最短的字符串的长度,设最短的字符串长度为n,那么只要比较这2个字符串的前n个...
分类:其他好文   时间:2015-01-30 16:04:25    阅读次数:122
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