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Hack!
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PKU v. THU (Preliminary Round 2)
Time Limit: 1 s
Memory Limit: 64 MB
Interactive
# 812. Find a triangle
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The problem was used in the following contest:
7th BSUIR Open Programming Championship. Final
Lesnoe Ozero Workshop 2017. Day 1. BSUIR Open 2017 Finals
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