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PKU v. THU (Finals)
Time Limit: 5 s
Memory Limit: 1024 MB
# 6735. Tree
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Statement
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Custom Test
The problem was used in the following contest:
The 1st Universal Cup. Stage 22: Shaanxi
The 2023 ICPC Xi'an Invitational Programming Contest
This problem is prepared by
csy2005
.
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