Yu's garden

摘要： Longest Consecutive SequenceGiven an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given [100, ... 阅读全文

摘要： Rotate ImageYou are given an n x n 2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?SOL... 阅读全文

摘要： 8个月从CS菜鸟到拿到Google Offer的经历+内推http://blog.csdn.net/fightforyourdream/article/details/17094127http://www.1point3acres.com/bbs/forum.php?mod=viewthread&t... 阅读全文

摘要： Divide Two IntegersDivide two integers without using multiplication, division and mod operator.SOLUTION 11. 基本思想是不断地减掉除数，直到为0为止。但是这样会太慢。2. 我们可以使用2分法来加... 阅读全文

摘要： Find Minimum in Rotated Sorted Array II Follow up for "Find Minimum in Rotated Sorted Array":What if duplicates are allowed?Would this affect the run-... 阅读全文

摘要： Find Minimum in Rotated Sorted ArrayQuestion SolutionSuppose a sorted array is rotated at some pivot unknown to youbeforehand.(i.e., 0 1 2 4 5 6 7 mig... 阅读全文

摘要： CandyThere are N children standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the followin... 阅读全文

摘要： 引自：http://www.douban.com/note/330562764/注：此分类仅供大概参考，没有精雕细琢。有不同意见欢迎评论~利用堆栈：http://oj.leetcode.com/problems/evaluate-reverse-polish-notation/http://oj.l... 阅读全文

摘要： Sort ColorsGiven an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the ... 阅读全文

摘要： Search for a RangeGiven a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity ... 阅读全文