Problem Description
Mery has a beautiful necklace. The necklace is made up of N magic balls. Each ball has a beautiful value. The balls with the same beautiful value look the same, so if two or more ...
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其他好文 时间:
2014-08-12 17:29:44
阅读次数:
253
Catch That Cow
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 46671
Accepted: 14656
Description
Farmer John has been informed of the location of a fugitiv...
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其他好文 时间:
2014-08-12 17:06:04
阅读次数:
171
Supermarket
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 9103
Accepted: 3891
Description
A supermarket has a set Prod of products on sale. It earns a pr...
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其他好文 时间:
2014-08-12 00:45:03
阅读次数:
213
11gR2 RAC系统的存储数据完全丢失,所有节点的软件都安装在本地磁盘中,本地磁盘保留了OCR的备份,下面讨论通过replace votedisk和restore ocr的方式恢复Clusterware的正常运行:
1.启动CRS到独占模式。
[root@rac1 bin]#./crsctl stop has -f
[root@rac1 bin]#./crsctl start crs -excl -nocrs
2.创建用于存储OCR和Votedisk的磁盘组。
[grid@rac1 ~]$ sqlpl...
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其他好文 时间:
2014-08-12 00:39:43
阅读次数:
400
B -Muddy FieldsTime Limit:1000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticePOJ 2226DescriptionRain has pummeled the cows' fi...
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其他好文 时间:
2014-08-12 00:10:43
阅读次数:
401
Description
While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path that delivers you to its destination a...
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其他好文 时间:
2014-08-11 21:26:02
阅读次数:
310
There are n SMTP servers connected by network cables. Each of the m cables connects two computers and has a certain latency measured in milliseconds required to send
an email message. What is the sh...
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其他好文 时间:
2014-08-11 21:25:02
阅读次数:
384
1.Set存放的元素是无序的不可重复。
2.List存放的元素为有序可重复。
3.重写equals方法,一般最好重写hasCode方法,当对象作为key的时候及索引,会使用hasCode方法进行查找。
4.容器对象在调用remove,contains等方法时需要比较对象是否相等,这会涉及到对象类型的equals方法和
hashCode方法。对于自定义的类型,需要重写equals和has...
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编程语言 时间:
2014-08-11 21:24:32
阅读次数:
273
City Horizon
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 16206
Accepted: 4414
Description
Farmer John has taken his cows on a trip to the city! As the ...
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其他好文 时间:
2014-08-11 21:19:42
阅读次数:
339
Search a 2D MatrixWrite an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row...
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其他好文 时间:
2014-08-11 21:14:42
阅读次数:
179