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LeetCode——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 consecutive elements sequence is [1, 2, 3...
分类:其他好文   时间:2014-07-11 00:51:05    阅读次数:195
poj 2533 Longest Ordered Subsequence
Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 31787   Accepted: 13903 Description A numeric sequence of ai is ordered if a1 a2...
分类:其他好文   时间:2014-07-10 20:27:45    阅读次数:202
Java Longest Palindromic Substring(最长回文字符串)
如果一个字符串从左向右写和从右向左写是一样的,这样的字符串就叫做palindromic string,如aba,或者abba。本题是这样的,给定输入一个字符串,要求输出一个子串,使得子串是最长的padromic string。 下边演示3种思路   1.两侧比较法 以abba这样一个字符串为例来看,abba中,一共有偶数个字,第1位=倒数第1位,第2位=倒数第2位......第N位=倒数第...
分类:编程语言   时间:2014-07-08 17:49:03    阅读次数:238
SPOJ LCS2 1812. Longest Common Substring II
SPOJ Problem Set (classical) 1812. Longest Common Substring II Problem code: LCS2 A string is finite sequence of characters over a non-empty finite set Σ. In this problem, Σ is...
分类:其他好文   时间:2014-07-08 17:14:39    阅读次数:291
LeetCode——Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings. 写一个函数找出字符串数组中的最长共现前缀字符串。 思路:共现,即要求数组中的所有元素的前缀中都要出现。所以所得的结果肯定是最短字符串的部分或全部或都不是,总之要以最短字符串为基准与其他字符串比较。 public Str...
分类:其他好文   时间:2014-07-08 10:39:49    阅读次数:203
LeetCode——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 palindromic substring. 给定一个字符串S,找出其中的最长回文...
分类:其他好文   时间:2014-07-06 00:15:15    阅读次数:240
POJ2533:Longest Ordered Subsequence
Longest Ordered Subsequence Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 31680   Accepted: 13848 Description A nu...
分类:其他好文   时间:2014-07-06 00:04:50    阅读次数:236
Leetcode Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings.class Solution {public: string longestCommonPrefix(vector &st...
分类:其他好文   时间:2014-07-05 18:36:22    阅读次数:209
LeetCode: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:2014-07-03 19:24:36    阅读次数:142
leetcode-Longest Substring Without Repeating Characters 最长不重复子串
在一个字符串中求不重复子串的最大长度是一个经典的贪心法求解问题(说子串自然是连续的,子序列则不要求连续)。 先给出leetcode上这题的描述: Given a string, find the length of the longest substring without repeating characters. For example, the longest substring wit...
分类:其他好文   时间:2014-07-03 16:24:55    阅读次数:281
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