38 lines
1.0 KiB
Plaintext
38 lines
1.0 KiB
Plaintext
let input = (open ../input/day2.txt | lines)
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let choices = ($input | each { |i| $i | split words })
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def part1 [om, mm] {
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let msel = (if $mm == 'X' { 1 } else { if $mm == 'Y' { 2 } else { 3 } })
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let round = (
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if $mm == 'X' {
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if $om == 'A' { 3 } else { if $om == 'B' { 0 } else { 6 } }
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} else {
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if $mm == 'Y' {
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if $om == 'A' { 6 } else { if $om == 'B' { 3 } else { 0 } }
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} else {
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if $om == 'A' { 0 } else { if $om == 'B' { 6 } else { 3 } }
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}
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}
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)
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$msel + $round
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}
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def part2 [om, mm] {
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let round = (if $mm == 'X' { 0 } else { if $mm == 'Y' { 3 } else { 6 } })
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let msel = (
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if $om == 'A' {
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if $mm == 'X' { 3 } else { if $mm == 'Y' { 1 } else { 2 } }
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} else {
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if $om == 'B' {
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if $mm == 'X' { 1 } else { if $mm == 'Y' { 2 } else { 3 } }
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} else {
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if $mm == 'X' { 2 } else { if $mm == 'Y' { 3 } else { 1 } }
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}
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}
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)
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$msel + $round
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}
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$choices | each { |c| part1 $c.0 $c.1 } | math sum
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$choices | each { |c| part2 $c.0 $c.1 } | math sum |