vznvzn

def f(n)
	
	
	l = []
	while (n != 1)
		
		n = n.even? ? n / 2 : n * 3 + 1
		l << n
	end
	return l

vznvzn

def f(n)
	
	
	l = []
	while (n != 1)
		
		n = n.even? ? n / 2 : n * 3 + 1
		l << n
	end
	return l

vznvzn

def adv(n, w)
	case w
	when 0
		return n.even? ? n / 2 : n * 3 + 1
	when 1
		return n.even? ? n / 2 : (n * 3 + 1) / 2
	when 2
		n = (n * 3 + 1) if (n.odd?)
		n /= 2 while (n.even?)
		return n

vznvzn

def adv(n, w)
	case w
	when 0
		return n.even? ? n / 2 : n * 3 + 1
	when 1
		return n.even? ? n / 2 : (n * 3 + 1) / 2
	when 2
		n = (n * 3 + 1) if (n.odd?)
		n /= 2 while (n.even?)
		return n

vznvzn

def stat(l)
        return 0, 0 if (l.empty?)
        t = t2 = 0
        l.each \
        {
            |x|
            t += x
            t2 += x ** 2
        }
        c = l.size

vznvzn

#!/usr/bin/ruby1.8


def f(n)

        n1 = n
        f = false
        c = 0
        while (n != 1)

vznvzn

def dense(n)
  
        s = n.to_s(2)
        c = 0
        s.length.times \
        {
                |i|
                c += s[i, 1].to_i
        }
        return c.to_f / s.length

vznvzn

def dense(n)
  
        s = n.to_s(2)
        c = 0
        s.length.times \
        {
                |i|
                c += s[i, 1].to_i
        }
        return c.to_f / s.length

vznvzn

def dense(n)
  
        s = n.to_s(2)
        c = 0
        s.length.times \
        {
                |i|
                c += s[i, 1].to_i
        }
        return c.to_f / s.length

vznvzn

#!/usr/bin/ruby1.8
 
 
def dense(n)
 
        s = n.to_s(2)
        c = 0
        s.length.times \
        {
                |i|