题目描述：
LeetCode 844. Backspace String Compare
Given two strings S and T, return if they are equal when both are typed into empty text editors. # means a backspace character.
Example 1:
Input: S = "ab#c", T = "ad#c" Output: true Explanation ...
作者归档：在线疯狂
[LeetCode]Backspace String Compare
[LeetCode]Unique Letter String
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 828. Unique Letter String
A character is unique in string S if it occurs exactly once in it.
For example, in string S = "LETTER", the only unique characters are "L" and "R".
Let's define UNIQ(S) as the ...
[LeetCode]Consecutive Numbers Sum
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 829. Consecutive Numbers Sum
Given a positive integer N, how many ways can we write it as a sum of consecutive positive integers?
Example 1:
Input: 5 Output: 2 Explanation: 5 = 5 = 2 + 3
Example 2:
Input: 9 Output ...
[LeetCode]Masking Personal Information
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 831. Masking Personal Information
We are given a personal information string S, which may represent either an email address or a phone number.
We would like to mask this personal information according to the following rules:
1. Email address:
We define a ...
[LeetCode]Positions of Large Groups
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 830. Positions of Large Groups
In a string S of lowercase letters, these letters form consecutive groups of the same character.
For example, a string like S = "abbxxxxzyy" has the groups "a", "bb", "xxxx", "z" and "yy".
Call ...