review41.rb

def f1(n)
	n = (n * 3 + 1) / 2 while (n.odd?)
	n /= 2 while (n.even?)
	return n
end

def f2(n)
	return n.odd? ? (n * 3 + 1) / 2 : n / 2

end

def avg(l)
	return 0 if (l.empty?)
	t = 0
	l.each { |x| t += x }
	return t.to_f / l.size
end

def total(l)
	t = 0
	l.each { |x| t += x }
	return t
end

def h(n)
	return if (n.nil?)
	ns = n.to_s(2)
	nl = ns.length
	l1 = ns.split(/0+/).map { |x| x.length.to_f / nl }
	l0 = [ns.split(/1+/)[1..-1]].compact.flatten.map { |x| x.length.to_f / nl }
	return l1
	
end


def count(x)
	
	
	n = n1 = x['n']
	l = [n]
	while (n >= n1 && n != 1)
		n = {'packed' => true, 'unpacked' => false}[$w] ? f1(n) : f2(n)
		l << n
	end
	cm = (0...l.size).max_by { |x| l[x] }
	
	return l[0..cm]
end

def uniq(l)
	
	a = {}
	l.each { |x| a[x['n']] = x }
	$stderr.puts({'ls1' => l.size, 'ls2' => a.size}.inspect)
	return a.values

end

def review(l1)
	
	mn = l1.min_by { |x| x.size }.size

	$stderr.puts({'mn' => mn}.inspect)

	c = 100
	l = []
	
	mn.times \
	{
		|i|
		l2 = l1.map { |x| h(x[i]) }.flatten.sort.select { |x| x > 1.0 / 15 }

		l << (0...c).map { |j| l2[(j.to_f / c) * (l2.size - 1)] }
	}
	return l
	
end

def avgcol(l)
	
	w = l[0].size
	l1 = (0...w).map { |i| avg(l.map { |x| x[i] }) }
	f = File.open('out2.txt', 'w')
	l1.each { |x| f.puts(x) }
	f.close
	
	l.map { |x| (0...w).map { |i| x[i] - l1[i] } }
	
end

def out(fn, l)
	f = File.open(fn, 'w')
	l.each_with_index \
	{
		|l1, c|
		
		l1.each_with_index { |x, j| f.puts([j, x, c].join("\t")) }
		f.puts
	}
	f.close
	
end

# $w = 'packed'
$w = 'unpacked'

l = uniq(File.open('tmp/mixdb.txt').readlines.map { |x| Kernel.eval(x) })

l1 = []

l.each \
{
	|x|
	l1 << count(x).reverse
}

out('out1.txt', l2 = review(l1))
out('out3.txt', avgcol(l2))