Phoebe815

2014年11月1日

摘要： Given an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, target. Return the sum of the three integers. You m... 阅读全文

posted @ 2014-11-01 08:21 Phoebe815 阅读(121) 评论(0) 推荐(0) 编辑

[Leetcode] 3Sum

摘要： Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:Elemen... 阅读全文

posted @ 2014-11-01 01:02 Phoebe815 阅读(138) 评论(0) 推荐(0) 编辑

[Leetcode] Two Sum

摘要： Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu... 阅读全文

posted @ 2014-11-01 00:59 Phoebe815 阅读(203) 评论(0) 推荐(0) 编辑

[Leetcode] 4Sum

摘要： Given an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the sum of ... 阅读全文

posted @ 2014-11-01 00:56 Phoebe815 阅读(196) 评论(0) 推荐(0) 编辑

2014年10月31日

[Leetcode] Word Break

摘要： Given a stringsand a dictionary of wordsdict, determine ifscan be segmented into a space-separated sequence of one or more dictionary words.For exampl... 阅读全文

posted @ 2014-10-31 15:04 Phoebe815 阅读(121) 评论(0) 推荐(0) 编辑

[Leetcode] Evaluate Reverse Polish Notation

摘要： Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express... 阅读全文

posted @ 2014-10-31 13:44 Phoebe815 阅读(153) 评论(0) 推荐(0) 编辑

2014年10月30日

[Leetcode] Distinct Subsequences

摘要： Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig... 阅读全文

posted @ 2014-10-30 02:41 Phoebe815 阅读(236) 评论(0) 推荐(0) 编辑

2014年10月29日

[Leetcode] Triangle

摘要： Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol... 阅读全文

posted @ 2014-10-29 13:06 Phoebe815 阅读(141) 评论(0) 推荐(0) 编辑

2014年10月27日

[Leetcode] Single Number II

摘要： Given an array of integers, every element appearsthreetimes except for one. Find that single one.Note:Your algorithm should have a linear runtime comp... 阅读全文

posted @ 2014-10-27 02:56 Phoebe815 阅读(168) 评论(0) 推荐(0) 编辑

[Leetcode] Convert Sorted Array to Binary Search Tree

摘要： Given an array where elements are sorted in ascending order, convert it to a height balanced BST.Solution:/** * Definition for binary tree * public cl... 阅读全文

posted @ 2014-10-27 02:19 Phoebe815 阅读(111) 评论(0) 推荐(0) 编辑

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