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Hack!
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PKU v. THU (Preliminary Round 2)
Time Limit: 1 s
Memory Limit: 256 MB
Total points: 100
# 1206. IOIOI Cards
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题解
The problem was used in the following contest:
The 14th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2014/2015) Day 1
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