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562. Longest Line of Consecutive One in Matrix
This is an easy question. No matter what kind of method you chose, the time complexity is at least O(m*n), becasue you have to traverse each element a ...
分类:其他好文   时间:2017-06-03 09:49:10    阅读次数:292
Longest Common Substring(最长公共子序列)
Longest Common Substring Problem Description Given two strings, you have to tell the length of the Longest Common Substring of them.For example:str1 = ...
分类:其他好文   时间:2017-05-30 23:11:55    阅读次数:326
leetcode 题解 || Longest Common Prefix 问题
problem: Write a function to find the longest common prefix string amongst an array of strings. 寻找 0 ~n 个字符串的最长公共前缀 thinking: (1)公共前缀非常好理解。按位匹配就可以 (2) ...
分类:其他好文   时间:2017-05-30 16:12:58    阅读次数:221
【LeetCode】Longest Substring Without Repeating Characters 解题报告
【题意】 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:2017-05-30 15:57:52    阅读次数:117
动态规划 最长公共子序列
最长公共子序列(LCS)问题 下面通过一个具体的例子来学习动态规划方法 —— 最长公共子序列问题。 最长公共子串(Longest Common Substring)与最长公共子序列(Longest Common Subsequence)的区别: 子串要求在原字符串中是连续的,而子序列则只需保持相对顺 ...
分类:其他好文   时间:2017-05-30 15:50:19    阅读次数:203
1040. Longest Symmetric String (25)
题目例如以下: Given a string, you are supposed to output the length of the longest symmetric sub-string. For example, given "Is PAT&TAP symmetric?", the lon ...
分类:其他好文   时间:2017-05-29 20:35:06    阅读次数:203
Longest Harmonious Subsequence
We define a harmonious array is an array where the difference between its maximum value and its minimum value is exactly 1. Now, given an integer arra ...
分类:其他好文   时间:2017-05-29 15:17:33    阅读次数:133
Non-negative Integers without Consecutive Ones
n位二进制,求不包含连续1的二进制(n位)数字个数。 http://www.geeksforgeeks.org/count-number-binary-strings-without-consecutive-1s/ 也可以令f[i],表示共i位的二进制数字中,不包含连续1的二进制(i位)数字的个数。 ...
分类:其他好文   时间:2017-05-29 11:10:27    阅读次数:397
[bzoj 1954]Pku3764 The xor-longest Path
传送门 :http://www.lydsy.com/JudgeOnline/problem.php?id=1954 Pku3764 The xor-longest Path Description 给定一棵n个点的带权树,求树上最长的异或和路径 Input The input contains se ...
分类:其他好文   时间:2017-05-29 11:07:23    阅读次数:177
600. Non-negative Integers without Consecutive Ones
Problem statement: Given a positive integer n, find the number of non-negative integers less than or equal to n, whose binary representations do NOT c ...
分类:其他好文   时间:2017-05-29 09:52:27    阅读次数:154
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