2015年11月7日
Word Pattern II 解答
摘要： QuestionGiven apatternand a stringstr, find ifstrfollows the same pattern.Herefollowmeans a full match, such that there is a bijection between a lette... 阅读全文
posted @ 2015-11-07 23:31 树獭君 阅读(289) 评论(0) 推荐(0)
Best Meeting Point 解答
摘要： QuestionA group of two or more people wants to meet and minimize the total travel distance. You are given a 2D grid of values 0 or 1, where each 1 mar... 阅读全文
posted @ 2015-11-07 14:46 树獭君 阅读(449) 评论(0) 推荐(0)
Nim Game 解答
摘要： QuestionYou are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 t... 阅读全文
posted @ 2015-11-07 12:23 树獭君 阅读(197) 评论(0) 推荐(0)
Longest Consecutive Sequence 解答
摘要： QuestionGiven an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4, 200, 1, 3, 2],The ... 阅读全文
posted @ 2015-11-07 11:01 树獭君 阅读(167) 评论(0) 推荐(0)
Remove Invalid Parentheses 解答
摘要： QuestionRemove the minimum number of invalid parentheses in order to make the input string valid. Return all possible results.Note: The input string m... 阅读全文
posted @ 2015-11-07 05:48 树獭君 阅读(1227) 评论(0) 推荐(0)
Controlling Access in Java
摘要： Referrence: Oracle Java DocTwo levelstop level: public, or package-private (no explicit modifier)member level: public, private, protected, package-pri... 阅读全文
posted @ 2015-11-07 05:05 树獭君 阅读(169) 评论(0) 推荐(0)
Java vs Python
摘要： 面试时常问到这两种语言的区别，在此总结一下。Referrence: Udemy:python-vs-javaGenerally,Python ismuchsimpler to use, and more compact than Java. It is generally easier to lea... 阅读全文
posted @ 2015-11-07 04:03 树獭君 阅读(323) 评论(0) 推荐(0)
Compiled Language vs Scripting Language
摘要： Referrence: BlogCompiled LanguagesExample: C, C++, JavaSource code needs to be compiled into bits and bytes that can be executed by computers.Java: so... 阅读全文
posted @ 2015-11-07 04:02 树獭君 阅读(349) 评论(0) 推荐(0)
SQL Interview Question
摘要： 面试的时候发现会问一些SQL的基本问题，在此总结一下。ProgramInterview/SQL这个网站上的问题还比较全。1. Join typeINNER JOIN: Returns all rows when there is at least one match in BOTH tablesLE... 阅读全文
posted @ 2015-11-07 02:12 树獭君 阅读(208) 评论(0) 推荐(0)
Populating Next Right Pointers in Each Node II 解答
摘要： QuestionFollow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solut... 阅读全文
posted @ 2015-11-07 00:10 树獭君 阅读(157) 评论(0) 推荐(0)