摘要: "3720: Gty的妹子树" 思路:块状树 代码: pragma GCC optimize(2) pragma GCC optimize(3) pragma GCC optimize(4) include using namespace std; define y1 y11 define fi f 阅读全文
posted @ 2019-09-06 14:17 Wisdom+.+ 阅读(154) 评论(0) 推荐(0) 编辑