Luogu 2912 [USACO08OCT]牧场散步Pasture Walking
摘要:
快乐树剖 1 #include<cstdio> 2 #include<cstring> 3 #include<algorithm> 4 #define rd read() 5 #define lson nd << 1 6 #define rson nd << 1 | 1 7 using namesp 阅读全文
posted @ 2018-08-22 21:47 cychester 阅读(140) 评论(0) 推荐(0) 编辑