题目描述：
Design a data structure that supports the following two operations:
void addWord(word) bool search(word)
search(word) can search a literal word or a regular expression string containing only letters a-z or .. A . means it can represent any ...
档案日期2015的19
2015年5月11日 - 2015年5月17日
[LeetCode]Add and Search Word - Data structure design
[LeetCode]Course Schedule II
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LeetCode.
题目描述：
There are a total of n courses you have to take, labeled from 0 to n - 1.
Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which is expressed as ...
[LeetCode]Minimum Size Subarray Sum
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LeetCode.
题目描述：
Given an array of n positive integers and a positive integer s, find the minimal length of a subarray of which the sum ≥ s. If there isn't one, return 0 instead.
For example, given the array [2,3 ...