摘要: "题目链接" 之前用线段树写了一遍,现在用$ddp$再写一遍。 cpp include define lc (now b ? a : b; } const int INF = 2147483647 2; const int MAXN = 50010; inline int read(){ int s 阅读全文
posted @ 2019-07-23 22:00 Qihoo360 阅读(201) 评论(1) 推荐(0) 编辑
You're powerful!