2021年8月27日
Painting the Fence
摘要： 题目描述 Farmer John has devised a brilliant method to paint the long fence next to his barn (think of the fence as a one-dimensional number line). He sim 阅读全文
posted @ 2021-08-27 15:01 梨花满地 阅读(72) 评论(0) 推荐(0)
← → ↓ ↑