Friday, February 18, 2011

11636 - Hello World!


#include<stdio.h>
#include<math.h>

int paste[1030];

int main()
{
    register int k=1,n,l;
    //freopen("in.txt","r",stdin);

    while(scanf("%d",&n)==1)
    {
        if(n<0)break;

        l=ceil(log(n)/log(2));
        printf("Case %d: %d\n",k++,l);
    }
    return 0;
}

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