zoj1338

#include <stdio.h>  
#include <string.h>   
int main(void)  
{  
    int flag, temp, num;  
    int down, up, unknown;  
    int lod, lou, n;  
    float ans_down, ans_up;  
    while(scanf("%d", &num) && num != 0)  
    {  
        down=0;  
        up=0;  
        unknown=1;  
        flag=0;  
        lod=0;  
        lou=0;  
        temp=num;  
        n=1;  
        ans_down=ans_up=0;  
        while(scanf("%d", &num) && num!=0)  
        {  
            n++;  
            if(flag==0 && num>temp)   
            {  
                up += unknown;  
                lou++;  
                unknown=0;  
                flag=1;  
                temp=num;  
                continue;  
            }  
            else if(flag==0 && num==temp)  
            {  
                unknown++;  
                temp=num;  
                continue;  
            }  
            else if(flag==0 && num<temp)  
            {  
                down += unknown;  
                unknown=0;  
                lod++;  
                flag=-1;  
                temp=num;  
                continue;  
            }  
            else if(flag==1 && num>=temp)  
            {  
                up++;  
                temp=num;  
                continue;  
            }  
            else if(flag==1 && num<temp)  
            {  
                lod++;  
                down++;  
                flag=-1;  
                temp=num;  
                continue;  
            }  
            else if(flag==-1 && num<=temp)  
            {  
                down++;  
                temp=num;  
                continue;  
            }  
            else if(flag==-1 && num>temp)  
            {  
                lou++;  
                up++;  
                flag=1;  
                temp=num;  
                continue;  
            }  
        }  
        if(lou)ans_up=up * 1.0 / lou;  
        if(lod)ans_down = down * 1.0 /lod;  
        printf("Nr values = %d:  %.6f %.6f\n",n, ans_up, ans_down);  
    }  
    return 0;  
}