摘要: Description XiaoMi walks down stairs from two floors. There are hs 0<h<20,0<s<20 How many schemes are there for downstairs? Input Two num: h,s Output 阅读全文
posted @ 2018-11-17 12:26 CrossingX 阅读(371) 评论(2) 推荐(0) 编辑