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[USACO07DEC]Mud Puddles S 题目描述 Farmer John is leaving his house promptly at 6 AM for his daily milking of Bessie. However, the previous evening saw a 阅读全文
posted @ 2023-04-27 20:42
Momo·Trace
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有点“小”难。。。 阅读全文
posted @ 2023-04-27 20:32
Momo·Trace
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