Sean_le - 博客园

2015年9月4日

[LeetCode]Best Time to Buy and Sell Stock III

摘要： 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 to find the... 阅读全文

posted @ 2015-09-04 17:15 Sean_le 阅读(119) 评论(0) 推荐(0) 编辑

[LeetCode]Best Time to Buy and Sell Stock

摘要： 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 permitted to compl... 阅读全文

posted @ 2015-09-04 12:27 Sean_le 阅读(164) 评论(0) 推荐(0) 编辑

[LeetCode]Best Time to Buy and Sell Stock II

摘要： 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 find the ... 阅读全文

posted @ 2015-09-04 12:17 Sean_le 阅读(96) 评论(0) 推荐(0) 编辑

[LeetCode]Delete Node in a Linked List

摘要： Delete Node in a Linked ListWrite a function to delete a node (except the tail) in a singly linked list, given only access to that node.Supposed the l... 阅读全文

posted @ 2015-09-04 11:53 Sean_le 阅读(118) 评论(0) 推荐(0) 编辑

2015年8月29日

[LeetCode]Lowest Common Ancestor of a Binary Search Tree

摘要： Lowest Common Ancestor of a Binary Search TreeGiven a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.Ac... 阅读全文

posted @ 2015-08-29 17:14 Sean_le 阅读(139) 评论(0) 推荐(0) 编辑

[LeetCode]Invert Binary Tree

摘要： Invert Binary TreeInvert a binary tree. 4 / \ 2 7 / \ / \1 3 6 9to 4 / \ 7 2 / \ / \9 6 3 1我觉得返回void更好一些，就地翻转。还是... 阅读全文

posted @ 2015-08-29 16:19 Sean_le 阅读(121) 评论(0) 推荐(0) 编辑

[LeetCode]Same Tree

摘要： 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 structurally ide... 阅读全文

posted @ 2015-08-29 15:49 Sean_le 阅读(230) 评论(0) 推荐(0) 编辑

[LeetCode]Maximum Depth of Binary Tree

摘要： 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 the root ... 阅读全文

posted @ 2015-08-29 15:24 Sean_le 阅读(88) 评论(0) 推荐(0) 编辑

2015年8月28日

[LeetCode]Contains Duplicate III

摘要： Contains Duplicate IIIGiven an array of integers, find out whether there are two distinct indicesiandjin the array such that the difference betweennum... 阅读全文

posted @ 2015-08-28 23:08 Sean_le 阅读(135) 评论(0) 推荐(0) 编辑

[LeetCode]Ugly Number II

摘要： Ugly Number IIWrite a program to find then-th ugly number.Ugly numbers are positive numbers whose prime factors only include2, 3, 5. For example,1, 2,... 阅读全文

posted @ 2015-08-28 18:35 Sean_le 阅读(142) 评论(0) 推荐(0) 编辑