2017年10月23日
计算几何：HDU 6164 叉积，点积的运用
摘要： LsF is visiting a local amusement park with his friends, and a mirror room successfully attracts his attention. Inside the mirror room, there are n pl 阅读全文
posted @ 2017-10-23 20:18 诚信肥宅 阅读(331) 评论(0) 推荐(0) 编辑