HDOJ--2602--Bone Collector【背包问题】
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Problem Description
Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s , also he went to the grave …
The bone collector had a big bag with a volume of V ,and along his trip of collecting there are a lot of bones , obviously , different bone has different value and different volume, now given the each bone’s value along his trip , can you calculate out the maximum of the total value the bone collector can get ?
The bone collector had a big bag with a volume of V ,and along his trip of collecting there are a lot of bones , obviously , different bone has different value and different volume, now given the each bone’s value along his trip , can you calculate out the maximum of the total value the bone collector can get ?
Input
The first line contain a integer T , the number of cases.
Followed by T cases , each case three lines , the first line contain two integer N , V, (N <= 1000 , V <= 1000 )representing the number of bones and the volume of his bag. And the second line contain N integers representing the value of each bone. The third line contain N integers representing the volume of each bone.
Followed by T cases , each case three lines , the first line contain two integer N , V, (N <= 1000 , V <= 1000 )representing the number of bones and the volume of his bag. And the second line contain N integers representing the value of each bone. The third line contain N integers representing the volume of each bone.
Output
One integer per line representing the maximum of the total value (this number will be less than 231).
Sample Input
15 101 2 3 4 55 4 3 2 1
Sample Output
14
Author
Teddy
Source
HDU 1st “Vegetable-Birds Cup” Programming Open Contest
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思路:01背包问题
#include<cstdio>#include<cstring>#include<iostream>#include<algorithm>#include<cmath>using namespace std;int main(){ int n,v,t,i,j,value[1005],volume[1005],dp[1005]; scanf("%d",&t); while(t--) { memset(value,0,sizeof(value)); memset(volume,0,sizeof(volume)); memset(dp,0,sizeof(dp)); scanf("%d%d",&n,&v); for(i=1;i<=n;i++) scanf("%d",&value[i]); for(i=1;i<=n;i++) scanf("%d",&volume[i]); for(i=1;i<=n;i++) for(j=v;j>=volume[i];j--) if(dp[j]<dp[j-volume[i]]+value[i]) dp[j]=dp[j-volume[i]]+value[i]; printf("%d\n",dp[v]); } return 0;}
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