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Longest Palindromic Substring
题目: Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longe....
分类:其他好文   时间:2015-10-04 17:09:04    阅读次数:165
32. Longest Valid Parentheses (Stack; DP)
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.For "(()", the lon...
分类:其他好文   时间:2015-10-04 11:08:11    阅读次数:141
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:2015-10-04 00:21:09    阅读次数:211
[LeetCode]Longest Consecutive Sequence
题目描述:(链接)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...
分类:其他好文   时间:2015-10-02 22:31:31    阅读次数:196
Longest Substring Without Repeating Characters
题目: Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating lette....
分类:其他好文   时间:2015-10-02 06:35:32    阅读次数:197
LeetCode #5 Longest Palindromic Substring (M)
[Problem]Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique l...
分类:其他好文   时间:2015-10-02 00:11:38    阅读次数:194
Leetcode003---Longest Substring Without Repeating Characters0
Description:Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeatin...
分类:其他好文   时间:2015-09-30 00:56:24    阅读次数:145
Longest Palindromic Substring
1:回文有两种方式,第一种是中间那个字符有奇数个,第二种是中间的字符有偶数个,对于每个字符,从这个字符开始,begin递减,end递增,判断s[begin]和s[end]是否相等,返回相等的子串。 2:遍历字符串中每个字符...
分类:其他好文   时间:2015-09-29 23:43:03    阅读次数:371
欧拉工程第71题:Ordered fractions
题目链接:https://projecteuler.net/problem=71Ifn2;q--){ p = (a*q-1)/b; if(p*s>r*q){ s = q; r = p; ...
分类:其他好文   时间:2015-09-27 22:46:23    阅读次数:212
第11章:最长公共子序列(LCS:Longest Common Subsequence)
方法:动态规划 《算法导论》P208最优子结构 +重叠子问题设xi,yi,为前i个数(前缀)设c[i,j]为xi,yi的LCS的长度c[i,j] = 0 (i ==0 || j == 0)c[i,j] = a[i-1,j-1] + 1 (i,j>0 &&xi=yi)c[i,j] = max(c[i,...
分类:其他好文   时间:2015-09-26 23:56:22    阅读次数:213
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