题意:有 k 个人需要买电影票,a[i] 表示第 i 个人单独买票要花费的时间,b[i] 表示第 i-1 个和第 i 个人一起买票需要花费的时间,问卖给所有人各一张票最少需要到什么时候. dp[i]表示卖完第 i 个人需要花费的最短时间 dp[i]=min(dp[i-1]+a[i],dp[i-2]+b[i]); 初始化:dp[0]=0;dp[1]=a[1]; #include<stdio.h> #include<string.h> ; int a[maxn],b[maxn]; in…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1260 分析:简单dp,dp[i]=min(dp[i-1]+a[i],dp[i-2]); #include <cstdio> #include <cstring> #include <cmath> #include <iostream> #include <algorithm> #include <queue> #include <c…

本题大意:排队排票,每个人只能自己单独购买或者和后面的人一起购买,给出k个人单独购买和合买所花费的时间,让你计算出k个人总共花费的时间,然后再稍作处理就可得到答案,具体格式看题意. 本题思路:简单dp,用dp[ i ]来存储前i个人购买票所需要的最小时间,则很容易得出状态转移方程为dp[ i ] = min (dp[i - 1] + a[ i ], dp[i - 2] + b[i - 1]); 参考代码: #include <iostream> #include <cstring>…

Tickets Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3917    Accepted Submission(s): 1968 Problem Description Jesus, what a great movie! Thousands of people are rushing to the cinema. However…

Tickets Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8077    Accepted Submission(s): 4101 Problem Description Jesus, what a great movie! Thousands of people are rushing to the cinema. However…

题目链接:http://acm.split.hdu.edu.cn/showproblem.php?pid=1260 Tickets Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5097    Accepted Submission(s): 2673 Problem Description Jesus, what a great mov…

layout: post title: 「kuangbin带你飞」专题十二 基础DP author: "luowentaoaa" catalog: true tags: mathjax: true - kuangbin - 动态规划 传送门 A.HDU1024 Max Sum Plus Plus 题意 给你N个数,然后你分成M个不重叠部分,并且这M个不重叠部分的和最大. 思路 动态规划最大m字段和,dp数组,dp[i][j]表示以a[j]结尾的,i个字段的最大和 两种情况:1.第a[j…

Tickets 搬中文 Descriptions: 现在有n个人要买电影票,如果知道每个人单独买票花费的时间,还有和前一个人一起买花费的时间,问最少花多长时间可以全部买完票. Input 给出 N(1<=N<=10),表示有N组样例 给出K (1<=K<=2000),表示有K个人买票.. 给出K个数表示这个人单独买票会花的时间..保证每个数 (0s<=Si<=25s) 给出K-1个数,表示这个人和前面那个人一起买票会花的时间..保证每个数 (0s<=Si<=…

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…