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LEETCODE 003 找出一个字符串中最长的无重复片段
题目: Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the ...
分类:其他好文   时间:2017-09-12 12:03:18    阅读次数:145
最长公共子序列(LCS)问题
最长公共子串(Longest Common Substirng)和最长公共子序列(Longest Common Subsequence,LCS)的区别为:子串是串的一个连续的部分,子序列则是从不改变序列的顺序,而从序列中去掉任意的元素而获得新的序列;也就是说,子串中字符的位置必须是连续的,子序列则可 ...
分类:其他好文   时间:2017-09-11 22:57:32    阅读次数:222
674. Longest Continuous Increasing Subsequence 最长连续增长的子序列
Given an unsorted array of integers, find the length of longest continuous increasing subsequence.Example 1:Input: [1,3,5,4,7] Output: 3 Explanation: ... ...
分类:其他好文   时间:2017-09-10 18:45:50    阅读次数:382
LeetCode 659: Split Array into Consecutive Subsequence
Note: 1. If it does not belong any sequences : append.getOrDefault(num, 0) == 0, create a new sequence. It requires num + 1 and num + 2 count > 0. 2. ...
分类:其他好文   时间:2017-09-10 15:48:54    阅读次数:144
[leetcode-674-Longest Continuous Increasing Subsequence]
Given an unsorted array of integers, find the length of longest continuous increasing subsequence. Example 1: Example 2: Note: Length of the array wil ...
分类:其他好文   时间:2017-09-10 12:35:02    阅读次数:137
leetcode -- Algorithms -- 3_ Longest Substring Without Repeating Characters
But failed with time exceed. The one with better solution is shown as below: Much simpler. Ich denke, dass muss ich härter arbeiten. Nächste Station, ...
分类:其他好文   时间:2017-09-09 17:19:30    阅读次数:163
Maximum Depth of Binary Tree
这道题为简单题 题目: Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the ...
分类:其他好文   时间:2017-09-06 23:57:45    阅读次数:421
LeetCode解题思路:3. Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the leng ...
分类:其他好文   时间:2017-09-05 13:29:23    阅读次数:171
300. Longest Increasing Subsequence
这个题用DP,千万不能将state设为f[i]表示前i个数字中最长的LIS的长度 ,而是设成f[i]表示前i个数字中以第i个结尾的LIS的长度。如果那样定义,f[i]和f[j]之间是没有太大关系。 比如7,8,10,2,3,4,5可以,但2,3,9,10,5,6,7,8就不行 ...
分类:其他好文   时间:2017-09-04 21:29:01    阅读次数:173
LeetCode记录之14——Longest Common Prefix
本题虽然是easy难度,题目也一目了然,问题就是在这里,需要考虑的特殊情况太多,太多限制。导致我一点点排坑,浪费了较多时间。 Write a function to find the longest common prefix string amongst an array of strings. ...
分类:其他好文   时间:2017-09-04 01:03:34    阅读次数:167
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