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摘要: Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ N ≤ 20,000) planks of 阅读全文
posted @ 2019-03-28 20:22 Brave_WTZ 阅读(156) 评论(0) 推荐(0) 编辑