摘要: DescriptionFarmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needsN(1 ≤N≤ 20,000) pl... 阅读全文
posted @ 2014-08-03 13:26 冷夏的博客园 阅读(158) 评论(0) 推荐(0) 编辑