Jessica程序猿 - 博客园

2014年11月29日

摘要： Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a... 阅读全文

posted @ 2014-11-29 11:55 Jessica程序猿阅读(172) 评论(0) 推荐(0) 编辑

Edit Distance

摘要： Given two wordsword1andword2, find the minimum number of steps required to convertword1toword2. (each operation is counted as 1 step.)You have the fol... 阅读全文

posted @ 2014-11-29 10:38 Jessica程序猿阅读(265) 评论(0) 推荐(0) 编辑

Search for a Range

摘要： Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord... 阅读全文

posted @ 2014-11-29 10:11 Jessica程序猿阅读(190) 评论(0) 推荐(0) 编辑

2014年11月28日

Word Search

摘要： Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjace... 阅读全文

posted @ 2014-11-28 20:36 Jessica程序猿阅读(621) 评论(0) 推荐(0) 编辑

Palindrome Partitioning

摘要： Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ofs.For example, giv... 阅读全文

posted @ 2014-11-28 17:03 Jessica程序猿阅读(198) 评论(0) 推荐(0) 编辑

Intersection of Two Linked Lists

摘要： Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: a... 阅读全文

posted @ 2014-11-28 11:16 Jessica程序猿阅读(208) 评论(0) 推荐(0) 编辑

2014年11月27日

Restore IP Addresses

摘要： Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2... 阅读全文

posted @ 2014-11-27 17:25 Jessica程序猿阅读(214) 评论(0) 推荐(0) 编辑

Decode Ways

摘要： A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message conta... 阅读全文

posted @ 2014-11-27 16:11 Jessica程序猿阅读(153) 评论(0) 推荐(0) 编辑

Letter Combinations of a Phone Number

摘要： Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon... 阅读全文

posted @ 2014-11-27 14:33 Jessica程序猿阅读(151) 评论(0) 推荐(0) 编辑

Permutation Sequence

摘要： The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie... 阅读全文

posted @ 2014-11-27 12:52 Jessica程序猿阅读(136) 评论(0) 推荐(0) 编辑

Jessica要努力了。。

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