Problem 1004 问一个数据

a1466801290 | 2016-02-06 20:11:46Author
1 4 1 2 3 4 答案是多 呢
NotPassedCET4 | 2016-02-06 20:18:06# 1
2？
lin123456iny | 2016-02-06 20:27:37# 2
2
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