摘要：
Find thekth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.For exampl... 阅读全文
摘要：
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 f... 阅读全文
摘要：
Note:This is an extension ofHouse Robber.After robbing those houses on that street, the thief has found himself a new place for his thievery so that h... 阅读全文
摘要：
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 adjac... 阅读全文