题目描述：
LeetCode 847. Shortest Path Visiting All Nodes
An undirected, connected graph of N nodes (labeled 0, 1, 2, ..., N-1) is given as graph.
graph.length = N, and j != i is in the list graph[i] exactly once, if and ...
归档 2018
[LeetCode]Shortest Path Visiting All Nodes
[LeetCode]Longest Mountain in Array
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LeetCode.
题目描述：
LeetCode 845. Longest Mountain in Array
Let's call any (contiguous) subarray B (of A) a mountain if the following properties hold:
B.length >= 3- There exists some
0 < i < B.length - 1such thatB[0] < ...
[LeetCode]Hand of Straights
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LeetCode.
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 ...
[LeetCode]Backspace String Compare
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LeetCode.
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 ...
[LeetCode]Unique Letter String
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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 ...