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Leetcode_3. Find the longest substring without repeating characters

3. Find the longest substring without repeating characters Given a string, find the length of the longest substring without repeating characters. 给一个字符串,求出最长的无重复字符的子字符串长度. Examples: Given "abcabcbb", the answer is "abc", which the leng…

[LeetCode_3] Longest Substring Without Repeating Characters

LeetCode: 3. Longest Substring Without Repeating Characters class Solution { public: int lengthOfLongestSubstring(string s) { int ans = 0, i = 0, j = 0; map <char , char> m; int n = s.size(); while (i < n && j < n){ // 左闭右开 if(m.find(s…

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【leetcode】Longest Substring Without Repeating Characters

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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.…

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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…