2019年5月10日
HNOI2019fish
摘要： ${\rm fish}$ 20分： 六个for，点积判锐角钝角。 cpp include include include include include include include define LL long long define uint unsigned int define debug 阅读全文
posted @ 2019-05-10 19:50 茶Tea 阅读(114) 评论(0) 推荐(0) 编辑