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Problem 1002
这题是多组数据吗
claris
| 2016-01-02 19:44:45
Author
题面没说
613
| 2016-01-02 19:47:13
# 1
好像没有
我没写多组数据pretestpassed
admin
| 2016-01-02 19:47:31
# 2
不是多组数据
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