2015年8月18日
[LeetCode] Contains Duplicate II
摘要： Given an array of integers and an integerk, find out whether there are two distinct indicesiandjin the array such thatnums[i] = nums[j]and the differe... 阅读全文
posted @ 2015-08-18 09:29 李小橘er 阅读(164) 评论(0) 推荐(0)
2015年8月17日
[LeetCode] Single Number III ( a New Questions Added today)
摘要： Given an array of numbersnums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements t... 阅读全文
posted @ 2015-08-17 15:49 李小橘er 阅读(375) 评论(0) 推荐(0)
[LeetCode] Best Time to Buy and Sell Stock II
摘要： Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a... 阅读全文
posted @ 2015-08-17 13:09 李小橘er 阅读(165) 评论(0) 推荐(0)
[LeetCode] Best Time to Buy and Sell Stock
摘要： Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie... 阅读全文
posted @ 2015-08-17 12:42 李小橘er 阅读(189) 评论(0) 推荐(0)
[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 @ 2015-08-17 11:18 李小橘er 阅读(182) 评论(0) 推荐(0)
[LeetCod] Single Number
摘要： Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime complexity... 阅读全文
posted @ 2015-08-17 11:06 李小橘er 阅读(266) 评论(0) 推荐(0)
[LeetCode] Valid Anagram
摘要： Given two stringssandt, write a function to determine iftis an anagram ofs.For example,s= "anagram",t= "nagaram", return true.s= "rat",t= "car", retur... 阅读全文
posted @ 2015-08-17 10:40 李小橘er 阅读(237) 评论(0) 推荐(0)
[LeetCode] Add Digits (a New question added)
摘要： Given a non-negative integernum, repeatedly add all its digits until the result has only one digit.For example:Givennum = 38, the process is like:3 + ... 阅读全文
posted @ 2015-08-17 09:41 李小橘er 阅读(317) 评论(0) 推荐(0)
2015年8月16日
[LeetCode] Lowest Common Ancestor of a Binary Search Tree
摘要： Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.According to thedefinition of LCA on Wikipedia: ... 阅读全文
posted @ 2015-08-16 15:01 李小橘er 阅读(492) 评论(0) 推荐(0)
[LeetCode] Minimum Size Subarray Sum
摘要： Given an array ofnpositive integers and a positive integers, find the minimal length of a subarray of which the sum ≥s. If there isn't one, return 0 i... 阅读全文
posted @ 2015-08-16 10:27 李小橘er 阅读(183) 评论(0) 推荐(0)