HDU 2602.Bone Collector-动态规划0-1背包
Bone Collector
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 85530 Accepted Submission(s): 35381
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 ?

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.
5 10
1 2 3 4 5
5 4 3 2 1
#include<bits/stdc++.h>
using namespace std;
const int N=1e5+;
int val[N],wei[N],dp[N];
int main(){
int t,n,m;
scanf("%d",&t);
while(t--){
memset(val,,sizeof(val));
memset(wei,,sizeof(wei));
memset(dp,,sizeof(dp));
scanf("%d%d",&n,&m);
for(int i=;i<n;i++)
scanf("%d",&val[i]);
for(int i=;i<n;i++)
scanf("%d",&wei[i]);
for(int i=;i<n;i++){
for(int j=m;j>=wei[i];j--){
dp[j]=max(dp[j],dp[j-wei[i]]+val[i]);
}
}
printf("%d\n",dp[m]);
}
return ;
}
代码(二维数组):
#include<bits/stdc++.h>
using namespace std;
const int N=1e3+;
int val[N],wei[N],dp[N][N];
int main(){
int t,n,m;
scanf("%d",&t);
while(t--){
memset(dp,,sizeof(dp));
scanf("%d%d",&n,&m);
for(int i=;i<=n;i++)
scanf("%d",&val[i]);
for(int i=;i<=n;i++)
scanf("%d",&wei[i]);
for(int i=;i<=n;i++){
for(int j=;j<=m;j++){
if(wei[i]<=j)dp[i][j]=max(dp[i-][j],dp[i-][j-wei[i]]+val[i]);
else dp[i][j]=dp[i-][j];
}
}
printf("%d\n",dp[n][m]);
}
return ;
}
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