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PKU v. THU (Preliminary Round 2)
Time Limit: 1 s
Memory Limit: 64 MB
# 2496. Laser Beam
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(Русский)
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The problem was used in the following contest:
Чемпионат Урала по программированию 2021
XXI Open Cup named after E.V. Pankratiev, Grand Prix of Urals
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