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Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
分类:其他好文   时间:2015-04-18 23:29:41    阅读次数:123
[C#][转][string 字符串截取
C#几个经常用到的字符串截取一、1、取字符串的前i个字符(1)string str1=str.Substring(0,i);(2)string str1=str.Remove(i,str.Length-i);2、去掉字符串的前i个字符string str1=str.Remove(0,i);strin...
分类:Windows程序   时间:2015-04-18 15:53:46    阅读次数:195
[LeetCode]Longest Consecutive Sequence
题意:在一堆无序元素中找到最长的连续串的长度,要求时间复杂度O(N) 思路:首先将元素放到set集合中,然后再判断,每次判断是否包含某元素的复杂度为O(1) 代码: public int longestConsecutive(int[] num) { int currLen = 0, longestLen = Integer.MIN_VALUE; Se...
分类:其他好文   时间:2015-04-18 10:09:13    阅读次数:88
【Longest Consecutive Sequence】cpp
题目: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 longe...
分类:其他好文   时间:2015-04-17 23:40:26    阅读次数:127
POJ 2533 Longest Ordered Subsequence (DP最长上升子序列)
题目的大意是:给出一序列,求出该序列的最长上升子序列的最大长度。 思路: a: 1 7 3 5 9 4 8 dp: 1 2 2 3 4 3 4 #include #include using namespace std; const int MAXN = 1005; int main() { int n; while( cin>>n ) {...
分类:其他好文   时间:2015-04-17 22:19:25    阅读次数:169
nyoj 308 Substring
Substring 时间限制:1000 ms  |  内存限制:65535 KB 难度:1 描述 You are given a string input. You are to find the longest substring of input such that the reversal of the substring is also a substring of ...
分类:其他好文   时间:2015-04-17 18:24:31    阅读次数:128
32. Longest Valid Parentheses
题目:Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the long...
分类:其他好文   时间:2015-04-17 17:52:17    阅读次数:118
数据库操作(四)、标量函数
标量函数 1、大写:upper(); select upper(列名) from 表名; 2、小写:lower(); select lower(列名) from 表名; 3、截取字符串:substring(); select substring(列名,...
分类:数据库   时间:2015-04-17 15:27:59    阅读次数:123
[LeetCode] Longest Palindromic Substring
Longest Palindromic Substring 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 longest palindrom...
分类:其他好文   时间:2015-04-17 13:55:59    阅读次数:162
[LeetCode] Longest Substring Without Repeating Characters
Longest Substring Without Repeating Characters Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters ...
分类:其他好文   时间:2015-04-16 21:54:27    阅读次数:126
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