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Time limit
4000 ms
Memory limit
65536 kB
OS
Linux
Source
SDOI2009
Descriptions:
System Crawler
2020-06-12
stevenmhy
2018-08-13
I_See_You
2018-05-16
736248591
2017-07-31
freeloop
2016-10-24
HH的项链
HYSBZ - 1878
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