HUD 2602 Bone Collector

#include <iostream>
#include <stdio.h>
#include <vector>
#include <algorithm>
using namespace std;

int main()
{
    int num,n,m;
    scanf("%d",&num);
    while(num--)
    {
        scanf("%d %d",&n,&m);
        vector < int > w(n+1,0),v(n+1,0),c(m+1,0);
        vector< vector < int > >d(n+2,c);
        for(int i=1;i<=n;i++)
            scanf("%d",&w[i]);
        for(int i=1;i<=n;i++)
            scanf("%d",&v[i]);
        for(int i=n;i>=1;i--)
        {
            for(int j=0;j<=m;j++)
            {
                d[i][j]=d[i+1][j];
                if(j>=v[i])
                {
                    if( d[i][j] < d[i+1][j-v[i]]+ w[i] )
                        d[i][j] = d[i+1][j-v[i]]+ w[i] ;
                }
            }
        }
        printf("%d\n",d[1][m]);
    }
    return 0;
}