Rosanne

2015年6月23日

摘要： Description:Given an integern, return the number of trailing zeroes (尾数0) inn!.Note:Your solution should be in logarithmic time complexity.分析：一个数 n 的阶... 阅读全文

posted @ 2015-06-23 10:01 Rosanne 阅读(187) 评论(0) 推荐(0)

Excel Sheet Column Number

摘要： Description：Related to questionExcel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corresponding column number.For ex... 阅读全文

posted @ 2015-06-23 09:49 Rosanne 阅读(191) 评论(0) 推荐(0)

2015年6月22日

Majority Element

摘要： Description:Given an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times.You may assume ... 阅读全文

posted @ 2015-06-22 10:53 Rosanne 阅读(223) 评论(0) 推荐(0)

Excel Sheet Column Title

摘要： Description:Given a positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -> A 2 -> B 3 -> C ... 阅读全文

posted @ 2015-06-22 10:23 Rosanne 阅读(148) 评论(0) 推荐(0)

Find Peak Element

摘要： Description:A peak element is an element that is greater than its neighbors.Given an input array wherenum[i] ≠ num[i+1], find a peak element and retur... 阅读全文

posted @ 2015-06-22 10:11 Rosanne 阅读(195) 评论(0) 推荐(0)

Intersection of Two Linked Lists

摘要： Description: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... 阅读全文

posted @ 2015-06-22 09:48 Rosanne 阅读(171) 评论(0) 推荐(0)

Min Stack

摘要： Description：Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.push(x) -- Push element x onto stack.pop(... 阅读全文

posted @ 2015-06-22 09:42 Rosanne 阅读(133) 评论(0) 推荐(0)

2015年6月21日

Find Minimum in Rotated Sorted Array II

摘要： Description:Follow upfor "Find Minimum in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Su... 阅读全文

posted @ 2015-06-21 17:57 Rosanne 阅读(147) 评论(0) 推荐(0)

Find Minimum in Rotated Sorted Array

摘要： Description:Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum e... 阅读全文

posted @ 2015-06-21 17:53 Rosanne 阅读(173) 评论(0) 推荐(0)

Reverse Words in a String

摘要： Description:Given an input string, reverse the string word by word.For example,Given s = "the sky is blue",return "blue is sky the".Code:1 void revers... 阅读全文

posted @ 2015-06-21 17:38 Rosanne 阅读(175) 评论(0) 推荐(0)

凡事做最好的准备，最坏的打算。