求算法,解决即给分,在线等,急
okyzx 2006-06-20 02:00:55 //CSV文件存放如下数据
//时间,IP,CPU值
2006-06-13 16:56:39,192.168.0.7,32
2006-06-13 16:56:39,192.168.0.6,19
2006-06-13 16:56:39,192.168.0.5,10
2006-06-13 16:56:58,192.168.0.7,22
2006-06-13 16:56:58,192.168.0.6,99
2006-06-13 16:56:58,192.168.0.5,11
2006-06-13 16:57:29,192.168.0.7,34
2006-06-13 16:57:29,192.168.0.6,77
2006-06-13 16:57:29,192.168.0.5,12
……
想通过C#实现统计出如下的功能
以第一列时间进行如同数据库的Group By操作,并把IP字段由选择变成投影
例子如下
Time, 192.168.0.7,192.168.0.6,192.168.0.6
2006-06-13 16:56:39 32 19 10
2006-06-13 16:56:58 22 99 11
2006-06-13 16:57:29 34 77 12
……