> #include<stdio.h>
> 
> main()
> {
>    int i=0,j=0,flag=1,card=1;
>    float len[100],needlen=0;
>          
>    while(flag==1)   {
>       scanf("%f",&len[i]);
>       if(len[i]==0.00)
>          flag=0;
>       i++;
>    }
>    for(j=0;j<=i-2;j++)   {
>       while(len[j]>=needlen)   {
>          needlen=needlen+(float)1/(card+1);
>          card++;
>       }
>    printf("%d card(s)",card-1);
>    }
>    system("pause");
> }