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PKU v. THU (Preliminary Round 2)
Time Limit: 4 s
Memory Limit: 1024 MB
Total points: 100
Communication
# 6661. 야유회
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Editorial
The problem was used in the following contest:
Korea IOI Team Selection Test (KOI TST) 2023, 1st Selection Contest
IOI 2023 中国国家队集训@威海 Day 2
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