归档 2018年6月

题目描述：

LeetCode 846. Hand of Straights

Alice has a hand of cards, given as an array of integers.

Now she wants to rearrange the cards into groups so that each group is size W, and consists of W consecutive cards ...

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.

Input: S = "ab#c", T = "ad#c"
Output: true
Explanation ...