Problem 1:Given a set of distinct integers, S,
return all possible subsets.Note:Elements in a subset must be in non-descending
order.The solution set ...
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其他好文 时间：
2014-05-01 09:43:43
阅读次数：
414
When multiple threads share mutable data, each
thread that reads or writes the data must perform synchronization. Without
synchronization, there is no...
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数据库 时间：
2014-05-01 09:14:25
阅读次数：
506
1.先注册个github账号。2.建立版本库。建立完生成对应版本库的url，这个地方一定注意：在复制地址的下方有一句话：You
can clone withHTTPS,SSH,
orSubversion.这三种连接方式的url地址是不一样的。我开始就傻B了，用HTTPS的地址配置本地的SSH连接（在...
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其他好文 时间：
2014-05-01 09:09:55
阅读次数：
353
As you must have experienced, instead of
landing immediately, an aircraft sometimes waits in a holding loop close to the
runway. This holding mechanis...
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其他好文 时间：
2014-05-01 03:51:48
阅读次数：
477
I am honored to be with you today at your commencement from one of the finest universities in the world. I never graduated from college. Truth be told, this is the closest I've ever gotten to a colleg...
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其他好文 时间：
2014-04-29 13:46:22
阅读次数：
337
时间限制:2000ms
单点时限:200ms
内存限制:256MB
描述
Given N arithmetic expressions, can you tell whose result is closest to 9?
输入
Line 1: N (1
Line 2..N+1: Each line contains an expression in the f...
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其他好文 时间：
2014-04-29 13:42:21
阅读次数：
268
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2,3,4}, reorder it to ...
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其他好文 时间：
2014-04-29 13:42:21
阅读次数：
427
Can you find it?
Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/10000 K (Java/Others)
Total Submission(s): 9863 Accepted Submission(s): 2587
Problem Description
Give you...
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其他好文 时间：
2014-04-29 13:33:20
阅读次数：
300
??
Saruman's Army
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 3446
Accepted: 1752
Description
Saruman the White must lead his army along a straight pa...
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其他好文 时间：
2014-04-29 13:22:23
阅读次数：
264
