題目如下： Given an array of stringsarr. Stringsis a concatenation of a sub sequence ofarrwhich haveunique characters. Returnthe maximum possible lengthofs. Example : Example : Example : Constraints: lt ar ...
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原題鏈接在這里：https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/ 題目： Given an array of strings arr. String s ...
地址 https://leetcode-cn.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/submissions/ 給定一個字符串數組 arr，字符串 s 是將 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中寫內容出現了單元格大小 不能超過32,767的限制，這是因為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 ...
原題鏈接在這里：https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters/ 題目： 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? 這道題讓我們判斷一個字 ...
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 ...
