#include <iostream>
#define MAX 7500
#define For(i,a,b) for(int i = a;i <= b;i++)
using namespace std;

int dp[22][15002];
int cc[22];
int cg[22];

int main()
{
    int c,g;
    while(scanf("%d%d",&c,&g) != EOF)
    {
        memset(dp,0,sizeof(dp));
        dp[0][7500] = 1;
        For(i,1,c)  scanf("%d",&cc[i]);
        For(i,1,g)  scanf("%d",&cg[i]);
        For(i,1,g)
            For(j,1,15000)
                if(dp[i-1][j])
                    For(k,1,c)
                        dp[i][j + cg[i] * cc[k]] += dp[i - 1][j];
        cout << dp[g][7500] << endl;
    }
    return 0;
}

• Re:第一道DP，贴代码，飘过~ (670) lowe 2012-12-05 15:53:15