【Leetcode:Longest Substring Without Repeating Characters分析和实现】的更多相关文章

Leetcode:Longest Substring Without Repeating Characters分析和实现

题目大意是传入一条字符串,计算出这样的这样一条子字符串,要求子字符串是原字符串的连续的某一段,且子字符串内不包含两个或两个以上的重复字符.求符合上面条件的字符串中最长的那一条的长度. 首先注意到任意一条无重复子字符串的任意子字符串应该也满足无重复这一特性.因此这个问题可以用动态规划解决. 需要先计算出字符串s的每个元素对应的首个重复字符的下标,字符串中下标为i的元素的首个重复字符的下标j应该满足j > i && s[i] == s[j],且是满足这些条件中的最小值.比如asaa中下标…

[LeetCode] Longest Substring Without Repeating Characters 最长无重复子串

Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest subst…

leetcode: longest substring without repeating characters

July 16, 2015 Problem statement: Longest Substring Without Repeating Characters Read the blog: http://blog.csdn.net/fightforyourdream/article/details/17860983 这算法写了很多次, 时间太长, 半年前, 有一次写了二个小时, 写不下去, 想法不好, 没有办法收场; 接着, 又写了四天, 每天二小时, 把上次代码拿出来看, 有什么问题, 改写.…

LeetCode:Longest Substring Without Repeating Characters（最长不重复子串）

题目链接 Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest…

[LeetCode] Longest Substring Without Repeating Characters 最长无重复字符的子串

Given a string, find the length of the longest substring without repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer is "abc", with the length of 3. Example 2: Input: "bbbbb" Output: 1 Explana…

C++ leetcode Longest Substring Without Repeating Characters

要开学了,不开森.键盘声音有点大,担心会吵到舍友.今年要当个可爱的技术宅呀~ 题目:Given a string, find the length of the longest substring without repeating characters. Examples:  Given "abcabcbb", the answer is "abc", which the length is 3. 第一反应的解法,直接贴代码吧,38ms的运行时间,击败58%. c…

[LeetCode]Longest Substring Without Repeating Characters题解

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 length is 3. Given "bbbbb", the…

[LeetCode] Longest Substring Without Repeating Characters 最长无重复字符的子串 C++实现java实现

最长无重复字符的子串 Given a string, find the length of the longest substring without repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer is "abc", with the length of 3. Example 2: Input: "bbbbb" Output…

LeetCode——Longest Substring Without Repeating Characters

Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest subst…

[Leetcode] Longest Substring Without Repeating Characters (C++)

题目: Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest s…