Nowadays, a kind of chess game called “Super Jumping! Jumping! Jumping!” is very popular in HDU. Maybe you are a good boy, and know little about ...
题目链接:http: acm.hdu.edu.cn showproblem.php pid Super Jumping Jumping Jumping Time Limit: MS Java Others Memory Limit: K Java Others Total Submission s : Accepted Submission s : Problem Description Nowa ...
2015-02-17 21:56 0 4560 推荐指数:
Nowadays, a kind of chess game called “Super Jumping! Jumping! Jumping!” is very popular in HDU. Maybe you are a good boy, and know little about ...
的记录 CF1588F Jumping Through the Array 给定一个长为 \(n ...
Super Jumping! Jumping! Jumping! 首先对于动态规划问题要找出其子问题,如果找的子问题是前n个序列的最长上升子序列,但这样的子问题不好,因为它不具备无后效性,因为它的第n+1的数会影响前n个序列的长度,换句话说,如果第n+1个数加上去不一定使得和前n个数加起来 ...
There is a river of width n">nn. The left bank of the river is cell 0">00 and the right bank is c ...
题意 大概就是给你一棵树,每个点都有自己的点权,能从一个点\(u\)跳到另一个点\(v\)当且仅当\(v\)点的权值是\(u->v\)这条路径中最大的,现在想让你求出从每个点为起点时最多能跳到 ...
题目链接:https://acm.hdu.edu.cn/showproblem.php?pid=7136 题意: 给一颗n个点的树,每个点标记为1到n,每个点有自己的权值ai(保证不一样)。有只猴子可以从u点跳到v点,当且仅当u点到v点的最短路径上权值最大的点是v点。问猴子从k点开始(k ...
参考https://blog.csdn.net/libosbo/article/details/80038549 动态规划是求解决策过程最优化的数学方法。利用各个阶段之间的关系,逐个求解,最终求得全局最优解,需要确认原问题与子问题、动态规划状态、边界状态、边界状态结值、状态转移方程 ...
前言 动态规划是很重要的一个知识点,大大小小的比赛总会有一两道DP题,足以说明动态规划的重要性。 动态规划主要是思想,并没有固定的模板,那么,怎么判断题目是不是动态规划呢? DP题一般都会满足三个条件:子问题重叠、无后效性、最优子结构性质。 动态规划把原问题看作若干个重叠子问题,每个子问题 ...