HDU2602--Bone Collector--动态规划
2013-02-04 14:32
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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 ?
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.
Output
One integer per line representing the maximum of the total value (this number will be less than 231).
Sample Input
1
5 10
1 2 3 4 5
5 4 3 2 1
Sample Output
14
#include <iostream> #include <cstdio> using namespace std; int dp[1008][1008]; int value[1008]; int vol[1008]; int max(int a,int b) { return a>b?a:b; } int main() { int t; scanf("%d",&t); while(t--) { int n,v; memset(dp,0,sizeof(dp)); scanf("%d%d",&n,&v); for(int i=1;i<=n;i++) { scanf("%d",&value[i]); } for(int i=1;i<=n;i++) { scanf("%d",&vol[i]); } for(int i=1;i<=n;i++)//石头个数 { for(int j=0;j<=v;j++)//背包体积不断变大 { dp[i][j]=dp[i-1][j]; if(j>=vol[i]) { dp[i][j]=max(dp[i][j],dp[i-1][j-vol[i]]+value[i]); } } } cout<<dp [v]<<endl; } return 0; }
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