题目链接: Hdu 3966 Aragorn's Story 题目描述: 给出一个树,每个节点都有一个权值,有三种操作: 1:( I, i, j, x ) 从i到j的路径上经过的节点全部都加上x: 2:( D, i, j, x ) 从i到j的路径上经过的节点全部都减去x: 3:(Q, x) 查询节点x的权值为多少? 解题思路: 可以用树链剖分对节点进行hash,然后用线段树维护(修改,查询),数据范围比较大,要对线段树进行区间更新 #include <cstdio> #include <…
Aragorn's Story Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10483 Accepted Submission(s): 2757 Problem Description Our protagonist is the handsome human prince Aragorn comes from The Lor…
Aragorn's Story Description Our protagonist is the handsome human prince Aragorn comes from The Lord of the Rings. One day Aragorn finds a lot of enemies who want to invade his kingdom. As Aragorn knows, the enemy has N camps out of his kingdom and M…
Aragorn's Story Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3494 Accepted Submission(s): 973 Problem Description Our protagonist is the handsome human prince Aragorn comes from The Lord…