hdu 5029 Relief grain 树链剖分+线段树
摘要:
题目链接 给一棵树, m个操作, 每种操作将节点u, v之间的节点全都加上一个值c, 1 include include include include include include include include include include include include using nam 阅读全文
posted @ 2016-04-28 10:06 yohaha 阅读(159) 评论(0) 推荐(0) 编辑