Hygeia

2015年10月7日

摘要： Given an arraynums, write a function to move all0's to the end of it while maintaining the relative order of the non-zero elements.For example, givenn... 阅读全文

posted @ 2015-10-07 10:58 Hygeia 阅读(131) 评论(0) 推荐(0)

Word Pattern

摘要： Given apatternand a stringstr, find ifstrfollows the same pattern.Examples:pattern ="abba", str ="dog cat cat dog"should return true.pattern ="abba", ... 阅读全文

posted @ 2015-10-07 10:30 Hygeia 阅读(209) 评论(0) 推荐(0)

2015年10月2日

ReentrantLock

摘要： ReentrantLock:http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/locks/ReentrantLock.html#lockInterruptibly()publicvoidlockInterruptibly() ... 阅读全文

posted @ 2015-10-02 09:57 Hygeia 阅读(152) 评论(0) 推荐(0)

Lock and Thread in JAVA

摘要： http://lavasoft.blog.51cto.com/62575/991551. What is Mutex andSemaphore?Mutex(mutual exclusion):mutual exclusionrefers to the requirement of ensuring ... 阅读全文

posted @ 2015-10-02 09:57 Hygeia 阅读(99) 评论(0) 推荐(0)

Intrinsic lock & synchronization

摘要： http://www.cnblogs.com/ukouryou/articles/4079638.html 阅读全文

posted @ 2015-10-02 06:34 Hygeia 阅读(156) 评论(0) 推荐(0)

2015年9月25日

*Edit Distance

摘要：题目：Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)You hav... 阅读全文

posted @ 2015-09-25 11:37 Hygeia 阅读(228) 评论(0) 推荐(0)

*Longest Common Substring

摘要： Given two strings, find the longest common substring.Return the length of it.ExampleGiven A = "ABCD", B = "CBCE", return 2.NoteThe characters in subst... 阅读全文

posted @ 2015-09-25 11:04 Hygeia 阅读(239) 评论(0) 推荐(0)

Climbing stairs

摘要： You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb... 阅读全文

posted @ 2015-09-25 10:33 Hygeia 阅读(131) 评论(0) 推荐(0)

Binary Tree DFS Template

摘要： 1 /** 2 * 本代码由九章算法编辑提供。没有版权欢迎转发。 3 * - 九章算法致力于帮助更多中国人找到好的工作，教师团队均来自硅谷和国内的一线大公司在职工程师。 4 * - 现有的面试培训课程包括：九章算法班，系统设计班，BAT国内班 5 * - 更多详情请见官方网站：http:/... 阅读全文

posted @ 2015-09-25 06:10 Hygeia 阅读(402) 评论(0) 推荐(0)

Rotate Array

摘要：题目：Rotate an array ofnelements to the right byksteps.For example, withn= 7 andk= 3, the array[1,2,3,4,5,6,7]is rotated to[5,6,7,1,2,3,4].Note:Try to c... 阅读全文

posted @ 2015-09-25 01:43 Hygeia 阅读(155) 评论(0) 推荐(0)

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