摘要:LOJ 3054. 「HNOI 2019」鱼 https://loj.ac/problem/3054 题意 平面上有n个点,问能组成几个六个点的鱼。(n include include include include include include using namespace std; defi 阅读全文
posted @ 2019-04-09 12:20 fcwww 阅读 (206) 评论 (0) 编辑