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Re:贴了个错误的代码,系统居然让我过了!!!

Posted by saintqdd at 2011-04-19 22:23:04 on Problem 3260
In Reply To:贴了个错误的代码,系统居然让我过了!!! Posted by:306457592 at 2009-08-14 20:33:07
样例是有问题的,V不超过120
> 当输入:
> 3 100
> 10 10 260
> 1 2 1
> output is supposed to be: 
> 17
> 而我的代码答案是10,过了!
> 我很不满,poj系统很不好。
> #include<cstdio>
> #include<cstdlib>
> #include<cstring>
> #define MAX 1000000000
> int v[101],t[101],c[40001],tp[40001][101];
> bool f[40001];
> int main()
> {
>     int i,j,k,n,m,sum,temp,ans;
>     while(scanf("%d%d",&n,&m)!=EOF)
>     {
>         for(i=1;i<=n;i++)
>             scanf("%d",&v[i]);
>             
>         for(sum=0,i=1;i<=n;i++)
>             scanf("%d",&t[i]),sum+=v[i]*t[i];
> 
> 
>         if(sum>=40000)sum=40000;
> 
> 
>         memset(f,false,sizeof(f));
>         memset(c,0,sizeof(c));
>         memset(tp,0,sizeof(tp));
> 
> 
>         f[0]=true;
> 
> 
>         for(i=1;i<=n;i++)   
>         {
> 
> 
>             for(j=v[i];j<=sum;j++)
>                 if(f[j-v[i]])
>                 {
>                     f[j]=true;
> 
> 
>                     if(c[j]==0||c[j]>c[j-v[i]]+1)
>                     {
>                         c[j]=c[j-v[i]]+1;
> 
> 
>                         for(k=1;k<=n;k++)
>                                 if(k!=i)tp[j][k]=tp[j-v[i]][k];
>                                 else tp[j][k]=tp[j-v[i]][k]+1;
>                     }
>                 }
>         }
> 		for (i=1; i <= 20; i++) {
> 			printf("%d: %d %d\n", i*10, f[i*10], c[i*10]);
> 		}
>         ans=MAX;
>         for(i=m;i<=sum;i++)
>         {
>             if(f[i]&&f[i-m])
>             {
>                 for(temp=0,k=1;k<=n;k++)  
>                     temp+=abs(tp[i][k]-tp[i-m][k]);
>                 if(temp<ans)ans=temp;
>             }
>         }
>         if(ans!=MAX)printf("%d\n",ans);
>         else printf("-1\n");   
>     }
>     return 0;
> }

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