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PKU v. THU (Preliminary Round 2)
Time Limit: 5.0 s
Memory Limit: 512 MB
Hackable ✓
# 8005. Crossing the Border
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Custom Test
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The problem was used in the following contest:
The 2nd Universal Cup. Stage 18: Dolgoprudny
Petrozavodsk Summer 2023. Day 5. Moscow IPT Yolki-Palki Contest 1
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