poj 1837 Balance dp

0-1背包

真是没想到..

#include <stdio.h>

int dp[25][15005];

int main()
{
    int C,G,i,j,k,c[25],g[25];
    scanf("%d%d",&C,&G);
    for (i=0;i<C;i++)scanf("%d",&c[i]);
    for (i=1;i<=G;i++)scanf("%d",&g[i]);
    dp[0][7500]=1;
    for (i=1;i<=G;i++)
    {
        for (j=0;j<=15000;j++)
        {
            for (k=0;k<C;k++)
            {
                dp[i][j+c[k]*g[i]]+=dp[i-1][j];
            }
        }
    }
    printf("%d\n",dp[G][7500]);
    return 0;
}