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Hack!
Time Limit: 12 s
Memory Limit: 256 MB
# 4521. Tree Stands / Elves
Statistics
Statement
(Open Cup)
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Custom Test
The problem was used in the following contest:
CTU Open Contest 2016
Moscow International Workshops 2016. Day 5. The Czech Grand Prix
XVII Open Cup named after E.V. Pankratiev. Czech Grand Prix
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