HDU 2602 Bone Collector DP(01背包)

#include <iostream>
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <queue>
#include <vector>
#include <iomanip>
#include <math.h>
#include <map>
using namespace std;
#define FIN     freopen("input.txt","r",stdin);
#define FOUT    freopen("output.txt","w",stdout);
#define INF     0x3f3f3f3f
#define lson    l,m,rt<<1
#define rson    m+1,r,rt<<1|1
typedef long long LL;

const int MAXN=1005;
int dp[MAXN][MAXN];
int value[MAXN];
int volume[MAXN];

int main()
{
    //FIN
    int T;
    scanf("%d",&T);
    while(T--)
    {
        int n,v;
        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",&volume[i]);
        memset(dp,0,sizeof(dp));
        for(int i=1;i<=n;i++)
            for(int j=0;j<=v;j++)
            {
                if(j>=volume[i])
                    dp[i][j]=max(dp[i-1][j],dp[i-1][j-volume[i]]+value[i]);
                else
                    dp[i][j]=dp[i-1][j];
            }
        printf("%d\n",dp[n][v]);
    }

}