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PKU v. THU (Preliminary Round 2)
Time Limit: 1 s
Memory Limit: 1024 MB
Total points: 100
# 8711. Tiles
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Custom Test
The problem was used in the following contest:
Baltic Olympiad in Informatics 2024 Day 2
IOI 2024 中国国家队集训@杭州 Day 2
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