2017年11月8日
计算几何：POJ - 2826 An Easy Problem?! 这题不简单
摘要： It's raining outside. Farmer Johnson's bull Ben wants some rain to water his flowers. Ben nails two wooden boards on the wall of his barn. Shown in th 阅读全文
posted @ 2017-11-08 19:12 诚信肥宅 阅读(172) 评论(0) 推荐(0)