2015年8月20日
leetcode - Unique Paths
摘要： leetcode -Unique PathsA robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down ... 阅读全文
posted @ 2015-08-20 14:58 cnblogshnj 阅读(144) 评论(0) 推荐(0)
leetcode - Climbing Stairs
摘要： leetcode -Climbing StairsYou 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 di... 阅读全文
posted @ 2015-08-20 13:17 cnblogshnj 阅读(115) 评论(0) 推荐(0)
leetcode - Maximum Subarray
摘要： leetcode - Maximum SubarrayFind the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given ... 阅读全文
posted @ 2015-08-20 11:46 cnblogshnj 阅读(120) 评论(0) 推荐(0)
leetcode - Unique Binary Search Trees
摘要： leetcode -Unique Binary Search TreesGivenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, ther... 阅读全文
posted @ 2015-08-20 11:23 cnblogshnj 阅读(119) 评论(0) 推荐(0)
2015年8月19日
leetcode - Best Time to Buy and Sell Stock III
摘要： leetcode -Best Time to Buy and Sell Stock IIISay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm t... 阅读全文
posted @ 2015-08-19 17:14 cnblogshnj 阅读(154) 评论(0) 推荐(0)
leetcode - Best Time to Buy and Sell Stock
摘要： leetcode -Best Time to Buy and Sell StockSay you have an array for which theithelement is the price of a given stock on dayi.If you were only permitte... 阅读全文
posted @ 2015-08-19 10:22 cnblogshnj 阅读(116) 评论(0) 推荐(0)
2015年8月18日
leetcode - Best Time to Buy and Sell Stock II
摘要： leetcode -Best Time to Buy and Sell Stock IISay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to... 阅读全文
posted @ 2015-08-18 23:34 cnblogshnj 阅读(106) 评论(0) 推荐(0)
leetcode - Same Tree
摘要： leetcode -Same TreeGiven two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are struct... 阅读全文
posted @ 2015-08-18 23:16 cnblogshnj 阅读(115) 评论(0) 推荐(0)
leetcode - Minimum Depth of Binary Tree
摘要： leetcode -Minimum Depth of Binary TreeGiven a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path fro... 阅读全文
posted @ 2015-08-18 23:10 cnblogshnj 阅读(117) 评论(0) 推荐(0)
leetcode - Maximum Depth of Binary Tree
摘要： leetcode -Maximum Depth of Binary TreeGiven a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from... 阅读全文
posted @ 2015-08-18 17:49 cnblogshnj 阅读(79) 评论(0) 推荐(0)