原文:LeetCode 1048. Longest String Chain

原题链接在这里:https: leetcode.com problems longest string chain 题目: Given a list of words, each word consists of English lowercase letters. Let s sayword is a predecessor ofword if and only if we can add ex ...

2019-10-28 08:49 0 306 推荐指数:

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PAT 1048. 数字加密(20)

本题要求实现一种数字加密方法。首先固定一个加密用正整数A,对任一正整数B,将其每1位数字与A的对应位置上的数字进行以下运算:对奇数位,对应位的数字相加后对13取余——这里用J代表10、Q代表11、K代 ...

Sun Jan 01 05:58:00 CST 2017 0 1469
2Sigma OA prepare: Longest Chain

DP use HashMap: 根据string的长度sort,然后维护每个stringlongest chain,default为1,如果删除某个char生成的string能提供更长的chain,则更新 ...

Wed Dec 14 16:19:00 CST 2016 0 7604
[LeetCode]Longest Consecutive Sequence

题目大意 给定一个整形数组,求出最长的连续序列。例如数组[100,4,200,1,3,2],最长的连续序列长度为[1,2,3,4],长度为4。要求时间复杂度为O(n)。 思路 " ...

Sun Apr 20 06:54:00 CST 2014 0 4063
LeetCode:Longest Common Prefix

题目链接 Write a function to find the longest common prefix string amongst an array of strings. 题目的意思说的不是很清楚,开始理解成了求任意两个字符串的前缀中的最长者。但是本题的意思是求所有字符串的最长 ...

Mon Jul 21 00:11:00 CST 2014 0 11179
[leetcode]Longest Consecutive Sequence

最近经常闲的无聊,于是就做做leetcode的题了,目测好像都不是很难. 不过呢,闲的无聊还是记录下某些做了的题. Given an unsorted array of integers, find the length of the longest consecutive ...

Thu Aug 22 18:13:00 CST 2013 2 3962
[Leetcode] Longest Valid Parentheses

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. ...

Tue Apr 01 09:06:00 CST 2014 1 3770
 
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