2017年4月21日
【PAT甲级】1004. Counting Leaves (30)
摘要： 1004. Counting Leaves (30) A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. In 阅读全文
posted @ 2017-04-21 10:16 茄阁云云 阅读(140) 评论(0) 推荐(0) 编辑