TZOJ 2560 Geometric Shapes(判断多边形是否相交)
摘要:
描述 While creating a customer logo, ACM uses graphical utilities to draw a picture that can later be cut into special fluorescent materials. To ensure 阅读全文
posted @ 2018-08-12 23:26 大桃桃 阅读(434) 评论(0) 推荐(0)
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