Created
September 22, 2016 00:52
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def d(s) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def adv(x1) | |
n1 = n = x1['n'] | |
d2 = nil | |
s = '' | |
c = nil | |
ns = n.to_s(2) | |
x1['d'] = d(ns) | |
x1['w'] = ns.length | |
while (n >= n1 && n != 1) | |
d = d(n.to_s(2)) | |
c = s.length if (c.nil? && !d2.nil? && (0.5 - d) * (0.5 - d2) < 0) | |
d2 = d | |
while (n.odd?) | |
n = (n * 3 + 1) / 2 | |
s << '1' | |
end | |
while (n.even?) | |
n /= 2 | |
s << '0' | |
end | |
end | |
x1['c'] = c | |
m1 = m0 = nil | |
if (!c.nil?) then | |
s2 = s[c..-1] | |
m1 = s2.split(/0+/).map { |x| x.length }.max | |
m0 = s2.split(/1+/).map { |x| x.length }.max | |
end | |
m1 = 0 if (m1.nil?) | |
m0 = 0 if (m0.nil?) | |
x1['m1'] = m1 | |
x1['m0'] = m0 | |
return x1 | |
end | |
def next2(z) | |
l = [z] | |
p = z['p'] + 1 | |
l << adv({'n'=>z['n'] + 2**p, 'p'=>p}) | |
l << z.merge({'p'=>p}) | |
return l | |
end | |
l = [next2({'n'=>1, 'p'=>0})] | |
l2 = [] | |
w = ARGV[0] | |
fn = "out_#{ARGV[0]}_#{ARGV[1]}_#{ARGV[2]}.txt" | |
f = File.open(fn, 'w') | |
(ARGV[1].to_i * 1000).to_i.times \ | |
{ | |
|i| | |
$stderr.puts(i) if (i % 100 == 0) | |
l = l.sort_by! { |x| [x[1][w], x[1]['d']] } | |
l.reverse! | |
j = rand([l.size, ARGV[2].to_i].min) | |
z = l.delete_at(j) | |
l << next2(z[1]) | |
l << next2(z[2]) | |
f.puts([l.size, z[1]['w'], z[1]['c'], z[1][w]].join("\t")) if (i % 2 == 1) | |
f.flush | |
} |
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