poj 2184 Cow Exhibition（背包变形）

【poj 2184 Cow Exhibition（背包变形）】的更多相关文章

POJ 2184 Cow Exhibition【01背包+负数（经典）】

POJ-2184 [题意]: 有n头牛,每头牛有自己的聪明值和幽默值,选出几头牛使得选出牛的聪明值总和大于0.幽默值总和大于0,求聪明值和幽默值总和相加最大为多少. [分析]:变种的01背包,可以把幽默度看成体积,智商看成价值,那么就转换成求体积和价值都为正值的最大值的01背包了. 以 TS 作为体积,TF作为价值,在保证体积.价值非负的情况下,求解 sum,取其所有情况的最大值. 难点: 1)体积出现负数,将区间改变 [-100000, 100000] ---> [0, 200000]. (注…

[POJ 2184]--Cow Exhibition(0-1背包变形)

题目链接:http://poj.org/problem?id=2184 Cow Exhibition Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9479 Accepted: 3653 Description "Fat and docile, big and dumb, they look so stupid, they aren't much fun..." - Cows with Guns by…

POJ 2184 Cow Exhibition (01背包变形）（或者搜索）

Cow Exhibition Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10342 Accepted: 4048 Description "Fat and docile, big and dumb, they look so stupid, they aren't much fun..." - Cows with Guns by Dana Lyons The cows want to prove to…

poj 2184 Cow Exhibition（01背包）

Cow Exhibition Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10882 Accepted: 4309 Description "Fat and docile, big and dumb, they look so stupid, they aren't much fun..." - Cows with Guns by Dana Lyons The cows want to prove to…

poj 2184 Cow Exhibition（dp之01背包变形）

Description "Fat and docile, big and dumb, they look so stupid, they aren't much fun..." - Cows with Guns by Dana Lyons The cows want to prove to the <= N <= ) cows a thorough interview and determined two values <= Si <= ) of the cow…

POJ 2184 Cow Exhibition (01背包的变形)

本文转载,出处:http://www.cnblogs.com/Findxiaoxun/articles/3398075.html 很巧妙的01背包升级.看完题目以后很明显有背包的感觉,然后就往背包上靠.把s看成是空间,f看成是价值,转换成了01背包经典模型(没有想到,,,).可,s是负值,这就涉及到一个问题,如果按照普通的01背包,(01背包的倒序原因请参看这个http://hi.baidu.com/findxiaoxun/item/9abf560127a155c091571868) ;i<n;…