Given a linked list, return the node where the cycle begins. If there is no cycle, return null.
Follow up:
Can you solve it without using extra space?
思路:由【Leetcode】Linked
List Cycle可知,利用一快一慢...
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其他好文 时间:
2014-06-15 14:23:38
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288
题目
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.
For example,
If n = 4 and k = 2, a solution is:
[
[2,4],
[3,4],
[2,3],
[1,2],
[1,3],...
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其他好文 时间:
2014-06-15 14:10:54
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239
Problem Description
In a factory, there are N workers to finish two types of tasks (A and B). Each type has N tasks. Each task of type A needs xi time to finish, and each task of type B needs yj ti...
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其他好文 时间:
2014-06-15 11:26:42
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195
BabelfishTime Limit:3000MSMemory Limit:65536KTotal Submissions:30816Accepted:13283DescriptionYou have just moved from Waterloo to a big city. The peop...
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其他好文 时间:
2014-06-15 11:07:12
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237
Treasure ExplorationTime Limit:6000MSMemory Limit:65536KTotal Submissions:6558Accepted:2644DescriptionHave you ever read any book about treasure explo...
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其他好文 时间:
2014-06-14 17:11:19
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248
Thank you for your applying for employment with our company. Your application is now being processed. If you have any questions, please contact us.Any...
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其他好文 时间:
2014-06-14 17:07:12
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204
题目描述You are given N baskets of gold coins. The baskets are numbered from 1 to N. In all except one of the baskets, each gold coin weighs w grams. In t...
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其他好文 时间:
2014-06-14 16:22:52
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191
Given a linked list, return the node where the cycle begins. If there is no cycle, return null.Follow up: Can you solve it without using extra space?比...
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其他好文 时间:
2014-06-14 15:48:59
阅读次数:
217
var ivar = [:]
ivar.className // __NSDictionaryI
var i = 1
i.className // error: 'Int' does not have a member named 'className'
If you want to get the type of a primitive, you have to use bridgeToOb...
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其他好文 时间:
2014-06-14 14:28:55
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234
You are self-motivated.As a small business owner,you won't hava a boss to tell you when to get to work.If that's a problem,keep your day job.
You can work with number.You will spend a fair amount of time keeping track of money expenses,revenues,taxs...
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其他好文 时间:
2014-06-14 12:10:26
阅读次数:
253