微软近期Open的职位:SDE IIOrganization Summary:Engineering, Community & Online (ECO) is looking for a great "Software Development Engineer" to join our team. ...
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其他好文 时间:
2014-09-05 12:45:41
阅读次数:
217
给定一个链表和两个整数m, n, 翻转链表第m个节点到第n个节点(从1开始计数).如, 给定链表:1->2->3->4->5->NULL, 以及 m = 2, n = 4.返回1->4->3->2->5->NULL.假定m和n满足约束条件:1 ≤m≤n≤ 链表长度.注意: 不能使用额外空间, 且只能...
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其他好文 时间:
2014-09-04 22:15:20
阅读次数:
243
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For e...
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其他好文 时间:
2014-09-03 21:13:57
阅读次数:
142
Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word.
Return all such possible sentences.
For example, given
s = "...
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其他好文 时间:
2014-09-02 17:52:35
阅读次数:
191
Given n integers you cangenerate 2n-1 non-empty subsets from them. Determine for howmany of these subsets the product of all the integers in that is a perfectsquare. For example for the set {4,6,10,15...
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其他好文 时间:
2014-09-02 15:50:45
阅读次数:
247
Combination Sum II
Total Accepted: 13710 Total
Submissions: 55908My Submissions
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C wher...
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其他好文 时间:
2014-09-01 14:03:23
阅读次数:
188
证明单链表有环路:
本文所用的算法 可以 形象的比喻就是在操场当中跑步,速度快的会把速度慢的扣圈
可以证明,p2追赶上p1的时候,p1一定还没有走完一遍环路,p2也不会跨越p1多圈才追上
我们可以从p2和p1的位置差距来证明,p2一定会赶上p1但是不会跳过p1的
因为p2每次走2步,而p1走一步,所以他们之间的差距是一步一步的缩小,4,3,2,1,0
到0的时候就重合...
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其他好文 时间:
2014-09-01 10:48:33
阅读次数:
151
LeetCode: SubsetsGiven a set of distinct integers, S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The soluti...
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其他好文 时间:
2014-08-31 22:53:32
阅读次数:
250
Path Sum II
Total Accepted: 18489 Total
Submissions: 68323My Submissions
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.
For exampl...
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其他好文 时间:
2014-08-31 21:28:11
阅读次数:
180
Spiral Matrix II
Total Accepted: 12773 Total
Submissions: 41526My Submissions
Given an integer n, generate a square matrix filled with elements from 1 to n2 in
spiral order.
For exampl...
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其他好文 时间:
2014-08-31 17:17:11
阅读次数:
128