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SPOJ:Another Longest Increasing Subsequence Problem(CDQ分治求三维偏序)
Given a sequence of N pairs of integers, find the length of the longest increasing subsequence of it. An increasing sequence A1..An is a sequence such ...
分类:其他好文   时间:2018-05-29 00:11:01    阅读次数:119
【刷题】SPOJ 1811 LCS - Longest Common Substring
A string is finite sequence of characters over a non empty finite set Σ. In this problem, Σ is the set of lowercase letters. Substring, also called fa ...
分类:其他好文   时间:2018-05-28 17:24:28    阅读次数:161
leetcode-5-Longest Palindromic Substring
题目: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. E ...
分类:其他好文   时间:2018-05-27 15:39:22    阅读次数:183
409. Longest Palindrome
vector处理字符串,老司机,你值得拥有 ...
分类:其他好文   时间:2018-05-27 12:05:23    阅读次数:127
leetcode-3-Longest Substring Without Repeating Characters
题目:Longest Substring Without Repeating Characters Given a string, find the length of the longest substring without repeating characters. Examples: Giv ...
分类:其他好文   时间:2018-05-26 23:26:09    阅读次数:206
Sum of Consecutive Prime Numbers(素数打表+尺取)
Description Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representations does a given po ...
分类:其他好文   时间:2018-05-26 12:57:12    阅读次数:152
leetcode.5 Longest Palindromic Substring
问题描述: Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. Example 1: Example 2: 思路: 根据 ...
分类:其他好文   时间:2018-05-26 10:44:49    阅读次数:162
Leetcode 128. Longest Consecutive Sequence (union find)
Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Your algorithm should run in O(n) complexity. Examp ...
分类:其他好文   时间:2018-05-23 13:07:29    阅读次数:303
LeetCode - Binary Tree Longest Consecutive Sequence
Recursion: 时间O(n) 空间O(h) 因为要找最长的连续路径,我们在遍历树的时候需要两个信息,一是目前连起来的路径有多长,二是目前路径的上一个节点的值。我们通过递归把这些信息代入,然后通过返回值返回一个最大的就行了。 ...
分类:其他好文   时间:2018-05-23 11:57:56    阅读次数:163
Positions of Large Groups
In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = "abbxxxxzyy" has the g ...
分类:其他好文   时间:2018-05-21 10:36:58    阅读次数:179
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