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Time Limit: 1 s
Memory Limit: 64 MB
Total points: 100
# 6524. Final Defense Line
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Custom Test
The problem was used in the following contests:
The 1st Universal Cup. Stage 18: Shenzhen
The 2017 ACM-ICPC China Zhejiang Provincial Programming Contest (14th)
This problem is prepared by
zimpha
.
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