17 lines
613 B
Ruby
17 lines
613 B
Ruby
busy_beaver_rules = {
|
|
:a => { 0 => [1, :right, :b],
|
|
1 => [1, :left, :c]},
|
|
:b => { 0 => [1, :left, :a],
|
|
1 => [1, :right, :b]},
|
|
:c => { 0 => [1, :left, :b],
|
|
1 => [1, :stay, :halt]}
|
|
}
|
|
t = Turing.new([0, 1], # permitted symbols
|
|
0, # blank symbol
|
|
:a, # starting state
|
|
[:halt], # terminating states
|
|
[:a, :b, :c], # running states
|
|
busy_beaver_rules, # operating rules
|
|
[]) # starting tape
|
|
print t.run, "\n"
|