问题 1959 字符串处理

# RunID UserID Memory Time Language Submit Time
415287 154215091031 768 KB 0 ms C 2016-01-05 18:23:40
413530 admin 768 KB 0 ms C 2016-01-05 11:04:32
557451 164115062046 768 KB 0 ms C 2016-12-25 01:38:02
555653 164115062009 768 KB 0 ms C 2016-12-22 18:07:50
552368 164215091021 768 KB 0 ms C 2016-12-18 13:17:52
552847 164215091038 768 KB 0 ms C 2016-12-19 18:13:02
435802 154215091019 768 KB 0 ms C 2016-03-28 15:30:03
415418 154115061002 768 KB 0 ms C 2016-01-08 15:38:38
415408 154115081020 768 KB 0 ms C 2016-01-08 10:56:41
417631 154115061029 776 KB 0 ms C 2016-03-01 17:28:24
415415 144115060016 776 KB 0 ms C 2016-01-08 15:15:56
552369 164115081017 788 KB 0 ms C 2016-12-18 13:19:19
554297 164115081017 788 KB 0 ms C 2016-12-20 20:04:52
552405 164115081050 788 KB 0 ms C 2016-12-18 14:40:00
553950 164215091044 788 KB 0 ms C 2016-12-20 18:55:33
552301 164215091030 788 KB 0 ms C 2016-12-18 10:39:15
551932 1434410744 804 KB 0 ms C 2016-12-17 17:47:21
551924 164215181014 804 KB 0 ms C 2016-12-17 17:35:05
554320 164115061043 804 KB 0 ms C 2016-12-20 20:08:08
554427 164215091006 804 KB 0 ms C 2016-12-20 23:23:54
549476 013 804 KB 0 ms C 2016-12-14 20:16:17
549480 164115061013 804 KB 0 ms C 2016-12-14 20:17:04
552425 164115061014 804 KB 0 ms C 2016-12-18 15:12:26
415332 144115060024 824 KB 0 ms C 2016-01-06 12:05:46
415333 KS1542 824 KB 0 ms C 2016-01-06 12:14:39
415335 154215091042 824 KB 0 ms C 2016-01-06 12:15:02
554807 164115081026 824 KB 0 ms C 2016-12-21 18:14:14
415292 144115080034 828 KB 0 ms C++ 2016-01-05 18:42:19
428941 154215091044 840 KB 0 ms C++ 2016-03-21 18:44:31
548902 164115061029 1080 KB 0 ms C 2016-12-13 22:52:03
420842 154115081034 768 KB 4 ms C 2016-03-10 18:36:38