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Problem 1002
hint是不是有问题?
ra1nwarden
| 2015-04-26 19:17:52
Author
为什么会有F(4)?不是说i < n么?
admin
| 2015-04-26 19:19:56
# 1
啊渣操 不过反正是0对吧= =
admin
| 2015-04-26 19:19:56
# 2
啊渣操 不过反正是0对吧= =
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