LeetCode "467. Unique Substrings in Wraparound String" !!

https://leetcode.com/problems/unique-substrings-in-wraparound-string/#/description Consider the string s to be the infinite wraparound string of "abcdefghijklmnopqrstuvwxyz", so s will look like this: "...zabcdefghijklmnopqrstuvwxyzabcdefgh

Consider the string s to be the infinite wraparound string of "abcdefghijklmnopqrstuvwxyz", so s will look like this: "...zabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd....". Now we have another string p. Your job is to find

详见:https://leetcode.com/problems/unique-substrings-in-wraparound-string/description/ C++: class Solution { public: int findSubstringInWraproundString(string p) { vector<int> cnt(26, 0); int len = 0; for (int i = 0; i < p.size(); ++i) { if (i >

Consider the string s to be the infinite wraparound string of "abcdefghijklmnopqrstuvwxyz", so s will look like this: "...zabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd....". Now we have another string p. Your job is to find

原题链接在这里:https://leetcode.com/problems/unique-substrings-in-wraparound-string/description/ 题目: Consider the string s to be the infinite wraparound string of "abcdefghijklmnopqrstuvwxyz", so s will look like this: "...zabcdefghijklmnopqrstuvw

2018-09-01 22:50:59 问题描述: 问题求解: 如果单纯的遍历判断,那么如何去重保证unique是一个很困难的事情,事实上最初我就困在了这个点上. 后来发现是一个动态规划的问题,可以将每个字符结尾的最长长度进行保存,这样就巧妙的解决的重复的问题. The max number of unique substring ends with a letter equals to the length of max contiguous substring ends with that

Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. s = "loveleetcode", return 2. Note: You may assume the string contain only lowercase

Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. s = "loveleetcode", return 2. Note: You may assume the string contain only lowercase

题目 Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. s = "loveleetcode", return 2. Note: You may assume the string contain only lowerc