parent
54a44cd143
commit
999f1e2f19
@ -0,0 +1,100 @@
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move position 0 to position 3
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rotate right 0 steps
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rotate right 1 step
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move position 1 to position 5
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swap letter h with letter b
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reverse positions 1 through 3
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swap letter a with letter g
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swap letter b with letter h
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rotate based on position of letter c
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swap letter d with letter c
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rotate based on position of letter c
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swap position 6 with position 5
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rotate right 7 steps
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swap letter b with letter h
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move position 4 to position 3
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swap position 1 with position 0
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swap position 7 with position 5
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move position 7 to position 1
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swap letter c with letter a
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move position 7 to position 5
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rotate right 4 steps
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swap position 0 with position 5
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move position 3 to position 1
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swap letter c with letter h
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rotate based on position of letter d
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reverse positions 0 through 2
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rotate based on position of letter g
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move position 6 to position 7
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move position 2 to position 5
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swap position 1 with position 0
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swap letter f with letter c
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rotate right 1 step
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reverse positions 2 through 4
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rotate left 1 step
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rotate based on position of letter h
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rotate right 1 step
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rotate right 5 steps
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swap position 6 with position 3
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move position 0 to position 5
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swap letter g with letter f
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reverse positions 2 through 7
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reverse positions 4 through 6
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swap position 4 with position 1
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move position 2 to position 1
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move position 3 to position 1
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swap letter b with letter a
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rotate based on position of letter b
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reverse positions 3 through 5
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move position 0 to position 2
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rotate based on position of letter b
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reverse positions 4 through 5
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rotate based on position of letter g
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reverse positions 0 through 5
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swap letter h with letter c
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reverse positions 2 through 5
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swap position 7 with position 5
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swap letter g with letter d
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swap letter d with letter e
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move position 1 to position 2
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move position 3 to position 2
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swap letter d with letter g
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swap position 3 with position 7
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swap letter b with letter f
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rotate right 3 steps
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move position 5 to position 3
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move position 1 to position 2
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rotate based on position of letter b
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rotate based on position of letter c
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reverse positions 2 through 3
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move position 2 to position 3
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rotate right 1 step
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move position 7 to position 0
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rotate right 3 steps
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move position 6 to position 3
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rotate based on position of letter e
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swap letter c with letter b
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swap letter f with letter d
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swap position 2 with position 5
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swap letter f with letter g
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rotate based on position of letter a
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reverse positions 3 through 4
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rotate left 7 steps
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rotate left 6 steps
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swap letter g with letter b
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reverse positions 3 through 6
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rotate right 6 steps
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rotate based on position of letter c
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rotate based on position of letter b
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rotate left 1 step
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reverse positions 3 through 7
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swap letter f with letter g
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swap position 4 with position 1
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rotate based on position of letter d
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move position 0 to position 4
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swap position 7 with position 6
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rotate right 6 steps
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rotate based on position of letter e
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move position 7 to position 3
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rotate right 3 steps
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swap position 1 with position 2
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@ -0,0 +1,37 @@
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input = 'abcdefgh'
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ARGF.read.split("\n").each do |instruction|
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case instruction
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when /swap position (\d+) with position (\d+)/
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x = $1.to_i
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y = $2.to_i
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input[x], input[y] = input[y], input[x]
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when /swap letter (\w+) with letter (\w+)/
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x = $1
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y = $2
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input.tr!("#{x}#{y}", "#{y}#{x}")
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when /rotate (left|right) (\d+) steps?/
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steps = $2.to_i
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steps = -steps if $1 == 'right'
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input = input.chars.rotate(steps).join
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when /rotate based on position of letter (\w+)/
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index = input.index($1)
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index += 1 if index >= 4
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index += 1
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index = -index
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input = input.chars.rotate(index).join
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when /reverse positions (\d+) through (\d+)/
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x = $1.to_i
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y = $2.to_i
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input[x..y] = input[x..y].reverse
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when /move position (\d+) to position (\d+)/
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x = $1.to_i
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x = input[x]
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input[x] = ''
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y = $2.to_i
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input.insert(y, x)
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else
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raise "invalid instruction: '#{instruction}'"
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end
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end
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puts input
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Loading…
Reference in new issue