Tourism Planning Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1051    Accepted Submission(s): 460 Problem Description Several friends are planning to take tourism during the next holiday. Th…

传送门 Tourism Planning Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1115    Accepted Submission(s): 482 Problem Description Several friends are planning to take tourism during the next holiday.…

题意:m个城市,n个人,让这n个人按固定顺序走遍m个城市.每个城市有一个单人票价pi.每个人在每个城市能获得vij的价值.如果多个人在同一城市,那么会额外获得价值,给出一张n * n价值表,额外价值为任意两个组成队伍的价值和.每个人可以在中途退出,但是退出后不能再回来.问终点后最大价值. 思路:dp[st][i]表示在i城市状态st的最大价值,然后打表打出st的所有子集,每次都往子集转移. 代码: #include<set> #include<map> #include<cm…

题意:n个朋友去游览m个城市,给出每个人对每个城市的兴趣值,和每人去每个城市的花费,如果两人在一个城市有一个价值,若多于2人这这个价值是任意两人产生价值的总和.在去每个城市的过程中人可以随便离开,也可以一个城市也不游览,求兴趣值总和+产生价值总和-总花费 最大. 分析:开始读错题意了,白白浪费了一个小时,吸取教训啊... 理解题意后分析状态,dp[i][j]在去第i个城市情况为j(0没去,1去了)的最大值,先预处理一下所有可能情况的求兴趣值总和.产生价值总.花费 (记人数). #include…

动态规划的解决方法是找到动态转移方程. 题目地址:http://acm.hdu.edu.cn/game/entry/problem/show.php?chapterid=3&sectionid=2&problemid=4 题目大意:找到一个最多的老鼠序列,使得序列中的老鼠的体重满足递增,相应老鼠的速度满足递 减.即可要求找出老鼠体重递增,速度递减的最长子序列(不需要连续). 思路:动态转移方程的确定,状态f[i]表示前i个老鼠中的最长递减子序列长度,状态转移方程为mouse[i].len…

龟兔赛跑 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8553    Accepted Submission(s): 3283 Problem Description 据说在很久很久以前,可怜的兔子经历了人生中最大的打击——赛跑输给乌龟后,心中郁闷,发誓要报仇雪恨,于是躲进了杭州下沙某农业园卧薪尝胆潜心修炼,终于练成了绝技,能够毫不休…

City Planning Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 483    Accepted Submission(s): 203 Problem Description After many years, the buildings in HDU has become very old. It need to rebuil…

http://acm.hdu.edu.cn/showproblem.php?pid=2103 Problem Description As far as we known,there are so many people in this world,expecially in china.But many people like LJ always insist on that more people more power.And he often says he will burn as mu…

龟兔赛跑 Time Limit : 1000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 1   Accepted Submission(s) : 1 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description 据说在很久很久以前,可怜的兔子经历了人生中最大的打击——赛跑输给乌龟…

Warcraft Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 957    Accepted Submission(s): 487 Problem Description Have you ever played the Warcraft?It doesn't matter whether you have played it !We…