3Longest Substring Without Repeating Characters
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3 Longest Substring Without Repeating Characters
链接:https://leetcode.com/problems/longest-substring-without-repeating-characters/
问题描述:
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 substring is “b”, with the length of 1.
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求给出字符串中的不重复的最大子串长度。
class Solution {public: int lengthOfLongestSubstring(string s) { int result=0,n; string temp=""; for(int i=0;i<s.length();i++) { n=temp.find(s[i]); if(n<0) temp+=s[i]; else { if(result<temp.size()) result=temp.size(); temp=temp.substr(n+1)+s[i]; } } if(result<temp.size()) result=temp.size(); return result; }};
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