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[ICPC 2018 Xuzhou R] Rikka with Intersections of Paths
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Information
ID
16830
Time
10000ms
Memory
512MiB
Difficulty
6
Tags
2018
线段树
最近公共祖先 LCA
树链剖分
组合数学
差分
ICPC
# Submissions
0
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0
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Hydro
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