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PKU v. THU (Finals)
Time Limit: 7 s
Memory Limit: 512 MB
# 3023. Winter Festival
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Custom Test
The problem was used in the following contest:
2018-2019 ICPC - North American Invitational Programming Contest 2018
XVIII Open Cup named after E.V. Pankratiev. Grand Prix of America
Moscow Pre-Finals Workshop 2018 Day 4: NAIPC 2018, Grand Prix of America
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