原题链接在这里：https: leetcode.com problems maximum length of a concatenated string with unique characters 题目： Given an array of stringsarr. Stringsis a concatenation of a sub sequence ofarrwhich haveunique ...
2019-11-11 11:54 0 616 推荐指数：
题目如下： Given an array of strings arr. String s is a concatenation of a sub-sequence of arr which have unique characters. Return the maximum ...
地址 https://leetcode-cn.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/submissions/ 给定一个字符串数组 arr，字符串 s 是将 arr 某一子序列字符串 ...
easyexcel The maximum length of cell contents (text) is 32,767 characters 使用easyexcel向excel中写内容出现了单元格大小 不能超过32,767的限制，这是因为excel 2007限制 ...
Let's define a function `countUniqueChars(s)` that returns the number of unique characters on `s`, for example if `s = "LEETCODE"` then `"L"`, `"T ...
原题链接在这里：https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters/ 题目： Given a string S, return the number of substrings ...
1.1 Implement an algorithm to determine if a string has all unique characters. What if you cannot use additional data structure? 这道题让我们判断一个字 ...
You are given n pairs of numbers. In every pair, the first number is always smaller than the seco ...
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may ...
