题目描述：
Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you can find by performing this transformation.
For example:
Given "aacecaaa", return "aaacecaaa" ...
归档 2015
[LeetCode]Shortest Palindrome
[LeetCode]House Robber II
作者是
发布于
在
LeetCode.
题目描述：
Note: This is an extension of House Robber.
After robbing those houses on that street, the thief has found himself a new place for his thievery so that he will not get too much attention. This time, all houses ...
[LeetCode]Word Search II
作者是
发布于
在
LeetCode.
题目描述：
Given a 2D board and a list of words from the dictionary, find all words in the board.
Each word must be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The ...
[LeetCode]Add and Search Word - Data structure design
作者是
发布于
在
LeetCode.
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 ...
[LeetCode]Course Schedule II
作者是
发布于
在
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 ...