poj3034Whac-a-Mole(dp)】的更多相关文章

题目描述 鼹鼠们在底下开凿了n个洞,由n-1条隧道连接,对于任意的i>1,第i个洞都会和第i/2(取下整)个洞间有一条隧 道,第i个洞内还有ci个食物能供最多ci只鼹鼠吃.一共有m只鼹鼠,第i只鼹鼠住在第pi个洞内,一天早晨,前k只 鼹鼠醒来了,而后n-k只鼹鼠均在睡觉,前k只鼹鼠就开始觅食,最终他们都会到达某一个洞,使得所有洞的ci均大 于等于该洞内醒着的鼹鼠个数,而且要求鼹鼠行动路径总长度最小.现对于所有的1<=k<=m,输出最小的鼹鼠行动 路径的总长度,保证一定存在某种合法方案.…
Description While visiting a traveling fun fair you suddenly have an urge to break the high score in the Whac-a-Mole game. The goal of the Whac-a-Mole game is to… well… whack moles. With a hammer. To make the job easier you have first consulted the f…
D. Flowers time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output We saw the little game Marmot made for Mole's lunch. Now it's Marmot's dinner time and, as we all know, Marmot eats flowers. At…
Mole and Abandoned Mine n点m条边的无向图,删除第i条边花费c[i],问1到n只有一条路径时所需要的最小花费? \(2\le n\le 15\) . 我又A掉了一道zzs的题啦! 首先,我们观察1到n只有一条路径时,图是怎么样的.显然是一条1到n的链,链上的每个点都挂了很多子联通块,但这些子连通块互不连通.(exp:对于某些图论题,观察要求的东西,看看能否把它的性质描述出来.放到这道题里就是这条路径的性质.) 然后,用\(f[S][x]\)表示现在选入的点集是S,链的最后…
D. Flowers time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output We saw the little game Marmot made for Mole's lunch. Now it's Marmot's dinner time and, as we all know, Marmot eats flowers. At…
题目链接:http://www.lydsy.com/JudgeOnline/problem.php?id=1207 题意: 有一个n*n的网格,接下来一段时间内会有m只鼹鼠出现. 第i只鼹鼠会在tim[i]秒出现,位置为(x[i],y[i]).数据保证tim[i]递增给出. 你有一个打鼹鼠的机器,初始位置可以自定.机器每秒钟只能原地不动或者走一格.在某一秒机器位置与鼹鼠出现的位置相同时,认为这个鼹鼠被打到. 问你最多能打多少鼹鼠. 题解: 乍一看和HDU 1176 免费馅饼很像: dp[i][x…
D. Flowers   We saw the little game Marmot made for Mole's lunch. Now it's Marmot's dinner time and, as we all know, Marmot eats flowers. At every dinner he eats some red and white flowers. Therefore a dinner can be represented as a sequence of sever…
D. Flowers time limit per test:1.5 seconds memory limit per test:256 megabytes We saw the little game Marmot made for Mole's lunch. Now it's Marmot's dinner time and, as we all know, Marmot eats flowers. At every dinner he eats some red and white flo…
1911: [Apio2010]特别行动队 Time Limit: 4 Sec  Memory Limit: 64 MBSubmit: 4142  Solved: 1964[Submit][Status][Discuss] Description Input Output Sample Input 4 -1 10 -20 2 2 3 4 Sample Output 9 HINT f[i]=max{f[j]+...} 随便一化就好了 (a*(s[k]*s[k]-s[j]*s[j])+f[k]-f[…
题目链接 http://acm.hdu.edu.cn/showproblem.php?pid=4800 Problem Description A role-playing game (RPG and sometimes roleplaying game) is a game in which players assume the roles of characters in a fictional setting. Players take responsibility for acting…