\(\mathtt{Problem H}\) \(\mathtt{Monster}\) \(\mathtt{Hunter}\) \(\mathcal{Description}\) 题目 给定一棵 \(n\)\((n \leq 10^6)\) 个点的树,除 \(1\) 号结点外每个结点都有一只怪兽,打败他需要先消耗 \(a_i\) 点 \(HP\),击败后可以获得 \(b_i\) 点 \(HP\),求打败所有怪兽需要的最小 \(HP\). \(\mathcal{Solution}\) 先不考虑父亲…

6326.Problem H. Monster Hunter 题意就是打怪兽,给定一棵 n 个点的树,除 1 外每个点有一只怪兽,打败它需要先消耗 ai点 HP,再恢复 bi点 HP.求从 1 号点出发按照最优策略打败所有怪兽一开始所需的最少 HP. 直接贴官方题解吧,这个题写的脑壳疼. 官方题解: 其实就是一直合并节点,最后合并到只有一个节点就是结果,具体的不想说什么了,这个题看了好久了,不想再看到他了... 代码是个人理解+个人习惯+综合多个题解写的.mdzz,我要撞墙... 代码: //1…

一.题意 给定一个树状地图,每个树节点上有一只怪物,打死一只怪物的过程中将会消耗A点HP,打死之后将会获得B点HP.因为树状结构,所以每只怪物必须先打死父节点的怪兽之后在打死子节点的怪物.现在,给定每只怪兽的a,b和树状结构的联通关系,求初始HP最小的击败顺序. Little Q is fighting against scary monsters in the game ``Monster Hunter''. The battlefield consists of n intersection…

Little Q is fighting against scary monsters in the game ``Monster Hunter''. The battlefield consists of nn intersections, labeled by 1,2,...,n1,2,...,n, connected by n−1n−1bidirectional roads. Little Q is now at the 11-th intersection, with XX units…

主题链接:HDU 2616 Kill the monster 意甲冠军:有N技能比赛HP有M怪物,技能(A,M),能伤害为A.当怪兽HP<=M时伤害为2*A. 求打死怪兽(HP<=0)用的最少技能 方法一:将技能全排列.计算伤害.得到答案. 方法二:搜索,详细看代码. 全排列AC代码: #include<stdio.h> #include<algorithm> using namespace std; struct node { int p,v; }; struct n…

Home Web Board ProblemSet Standing Status Statistics   Problem H: 整型数组运算符重载 Problem H: 整型数组运算符重载 Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 643  Solved: 401[Submit][Status][Web Board] Description 定义Array类: 1.拥有数据成员int length和int *mems,分别是数组中元素的个数…

Problem H High bridge, low bridge Q: There are one high bridge and one low bridge across the river. The river has flooded twice, why the high bridge is flooded twice but the low bridge is flooded only once? A: Because the lower bridge is so low that…

Problem H. Hiking in the Hills 题目连接: http://codeforces.com/gym/100531/attachments Description Helen is hiking with her friends in a highland. Their plan is to hike from their camp A to a beautiful showplace B. Unfortunately, Helen started feeling diz…

Problem H. Horrible Truth Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100610 Description In a Famous TV Show “Find Out” there are n characters and only one Horrible Truth. To make the series breathtaking all way long, the sc…

Problem H. Hard TestTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100342/attachments Description Andrew is having a hard time preparing his 239-th contest for Petrozavodsk. This time the solution to the problem is based on Di…