H

题目链接:http://acm.hust.edu.cn/vjudge/contest/126708#problem/H

题目大意:无敌背包问题。。每个物品个数都给出来了,这就比较难搞了,,目前未找到完美的代码,所以就不误导大家了

仅供大家参考

代码如下:

#include<stdio.h>
#include<string.h>
int main()
{
    int n,m,a[500],b[500],i,j,k,vis[100005],use[100005];;
    while(scanf("%d%d",&n,&m)==2)
    {
        if(n==0&&m==0)break;
        for(i=0;i<n;i++)
            scanf("%d",&a[i]);
        for(i=0;i<n;i++)
            scanf("%d",&b[i]);
        memset(vis,0,sizeof(vis));
        vis[0]=1;int ans=0;
        for(i=0;i<n;i++)
        {
            memset(use,0,sizeof(use));
            for(j=a[i];j<=m;j++)
            {
                if(vis[j]==0&&vis[j-a[i]]&&use[j-a[i]]<b[i])
                {
                    use[j]=use[j-a[i]]+1;
                    vis[j]=1;
                    ans++;
                }
            }
        }
        printf("%d ",ans);
    }
}

原文地址:https://www.cnblogs.com/441179572qqcom/p/5767339.html