SRM 153 DIV1 - 250

import java.util.*;
import java.util.regex.*;
import java.text.*;
import java.math.*;
import java.awt.geom.*;

public class Inventory
{
public int monthlyOrder(int[] sales, int[] daysAvailable)
{
double p=0;
double d=0;
double s=0;
double c=0;
for(int i=0;i<sales.length;i++)
{
if(sales[i]>0)
{
p=sales[i];
d=daysAvailable[i];
s+=(p*30/d);
c+=1.0f;
System.out.println((p*30/d));
System.out.println(s);
}
}
System.out.println(s/c);
System.out.println(Math.floor((s/c)*10e9)/10e9);
return (int)Math.ceil((Math.floor((s/c)*10e9))/10e9);
}


}
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