UVA 11578 - Situp Benches（dp)

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UVA 11578 - Situp Benches（dp)

题目链接:11578 - Situp Benches 题意:健♂身♂房有两个仰卧起坐坐垫,每次调整角度要花费10元/10度,每次使用要花费15,如今给定n个人的时间顺序,和所希望的角度,求最少花费思路:dp,dp[i][j][k]表示第i个人,一个角度为j,还有一个为k的最小花费,一个人用和两个人用的情况分开讨论,然后记录dp状态转移路径.这个输出路径让这题变得麻烦了不少.只是机智的我还是把它搞♂出♂来♂了. 代码: #include <stdio.h> #include <strin…

uva 116 Unidirectional TSP （DP）

uva 116 Unidirectional TSP Background Problems that require minimum paths through some domain appear in many different areas of computer science. For example, one of the constraints in VLSI routing problems is minimizing wire length. The Traveling Sa…

UVa 103 - Stacking Boxes（dp求解）

题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=39 Stacking Boxes Background Some concepts in Mathematics and Computer Science are simple in one or two dimensions but become…

UVA 674 Coin Change（dp）

UVA 674 Coin Change 解题报告题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87730#problem/E 题目: Suppose there are 5 types of coins: 50-cent, 25-cent, 10-cent, 5-cent, and 1-cent. We want to make changes with these coins for a given amount o…

UVA 1619 Feel Good（DP)

Bill is developing a new mathematical theory for human emotions. His recent investigations are dedicated to studying how good or bad days influent people's memories about some period of life. A new idea Bill has recently developed assigns a non-negat…

POJ1015 && UVA - 323 ~Jury Compromise（dp路径）

In Frobnia, a far-away country, the verdicts in court trials are determined by a jury consisting of members of the general public. Every time a trial is set to begin, a jury has to be selected, which is done as follows. First, several people are draw…

UVa 12186 Another Crisis （DP）

题意:有一个老板和n个员工,除了老板每个员工都有唯一的上司,老板编号为0,员工们为1-n,工人(没有下属的员工),要交一份请愿书, 但是不能跨级,当一个不是工人的员工接受到直系下属不少于T%的签字时,自己也会签字,并交给上级,问你最少有多少工人签字,才能让老板收到请愿书. 析:题意比较简单,也好理解,很明显是一个动态规划的题目,d(u)表示u给上级要发信至少需要多少工人签字.假设u有k个结点,那么至少要 c = (kT-1)/100 + 1个工人,然后把每个结点排序,找出最少的工人即可,挺简单的…