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|
#!/usr/bin/env ruby
input = $stdin.readlines.map(&:strip).reject(&:empty?)
class Machine
def initialize(rs)
@rs = rs
end
def addr(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] + @rs[b]
nrs
end
def addi(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] + b
nrs
end
def mulr(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] * @rs[b]
nrs
end
def muli(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] * b
nrs
end
def banr(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] & @rs[b]
nrs
end
def bani(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] & b
nrs
end
def borr(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] | @rs[b]
nrs
end
def bori(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] | b
nrs
end
def setr(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a]
nrs
end
def seti(a, b, c)
nrs = @rs.dup
nrs[c] = a
nrs
end
def gtir(a, b, c)
nrs = @rs.dup
nrs[c] = a > @rs[b] ? 1 : 0
nrs
end
def gtri(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] > b ? 1 : 0
nrs
end
def gtrr(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] > @rs[b] ? 1 : 0
nrs
end
def eqir(a, b, c)
nrs = @rs.dup
nrs[c] = a == @rs[b] ? 1 : 0
nrs
end
def eqri(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] == @rs[b] ? 1 : 0
nrs
end
def eqrr(a, b, c)
nrs = @rs.dup
nrs[c] = @rs[a] == @rs[b] ? 1 : 0
nrs
end
def oprs(a, b, c)
[
addr(a, b, c), addi(a, b, c),
mulr(a, b, c), muli(a, b, c),
banr(a, b, c), bani(a, b, c),
borr(a, b, c), bori(a, b, c),
setr(a, b, c), seti(a, b, c),
gtir(a, b, c), gtri(a, b, c), gtrr(a, b, c),
eqir(a, b, c), eqri(a, b, c), eqrr(a, b, c)
]
end
end
oprsorder = {
1<<15 => "addr", 1<<14 => "addi",
1<<13 => "mulr", 1<<12 => "muli",
1<<11 => "banr", 1<<10 => "bani",
1<<9 => "borr", 1<<8 => "bori",
1<<7 => "setr", 1<<6 => "seti",
1<<5 => "gtir", 1<<4 => "grri", 1<<3 => "gtrr",
1<<2 => "eqir", 1<<1 => "eqri", 1<<0 => "eqrr"
}
opsorder = %w(
addr addi
mulr muli
banr bani
borr bori
setr seti
gtir gtri gtrr
eqir eqri eqrr
)
ops = [
0b1111111111111111, 0b1111111111111111,
0b1111111111111111, 0b1111111111111111,
0b1111111111111111, 0b1111111111111111,
0b1111111111111111, 0b1111111111111111,
0b1111111111111111, 0b1111111111111111,
0b1111111111111111, 0b1111111111111111, 0b1111111111111111,
0b1111111111111111, 0b1111111111111111, 0b1111111111111111
]
input.each_slice(3) do |sample|
sample[0] =~ /Before: \[(\d+), (\d+), (\d+), (\d+)\]/
break if $1.nil?
m = Machine.new([$1.to_i, $2.to_i, $3.to_i, $4.to_i])
sample[1] =~ /(\d+) (\d+) (\d+) (\d+)/
opc = $1.to_i
oprs = m.oprs($2.to_i, $3.to_i, $4.to_i)
sample[2] =~ /After: \[(\d+), (\d+), (\d+), (\d+)\]/
a = [$1.to_i, $2.to_i, $3.to_i, $4.to_i]
ops[opc] &= oprs.map{|opr|opr == a ? 1 : 0}.join.to_i(2)
end
iopts = {
"addr" => [], "addi" => [],
"mulr" => [], "muli" => [],
"banr" => [], "bani" => [],
"borr" => [], "bori" => [],
"setr" => [], "seti" => [],
"gtir" => [], "gtri" => [], "gtrr" => [],
"eqir" => [], "eqri" => [], "eqrr" => []
}
ops.each_with_index do |op, opc|
("%016b" % op).chars.each_with_index do |bit, istr|
if bit == "1" then
iopts[opsorder[istr]] << opc
end
end
end
res = []
until iopts.values.map(&:empty?).all? do
iopts.each do |istr, opcs|
puts "#{istr}: #{opcs}"
end
puts
istr = iopts.select{|k, v| v.length == 1}.keys[0]
opc = iopts[istr][0]
res[opc] = istr
iopts.each do |k, v|
v.delete(opc)
end
end
res.each_with_index do |istr, opc|
puts "#{opc}: #{istr}"
end
|
