58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
func part1[lines: Array] : void
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password := 0
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dial := 50
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for i in 0..lines->size
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line : str = lines->nth(i)
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dir := line[0]
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n := line->substr(1, line->len() - 1)->parse_i64()
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if dir == 'L'
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dial -= n
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while dial < 0
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dial += 100
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else
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dial += n
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while dial >= 100
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dial -= 100
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if dial == 0
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password += 1
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io.println_i64(password)
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func part2[lines: Array] : void
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password := 0
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dial := 50
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for i in 0..lines->size
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line : str = lines->nth(i)
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dir := line[0]
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n := line->substr(1, line->len() - 1)->parse_i64()
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if dir == 'L'
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for i in 0..n
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dial -= 1
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if dial == 0
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password += 1
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if dial == -1
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dial = 99
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else
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for i in 0..n
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dial += 1
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if dial == 100
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dial = 0
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password += 1
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io.println_i64(password)
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func main[] : i64
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~input, ok := io.read_text_file("input.txt")
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if !ok
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panic("failed to open input.txt")
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lines := input->split("\n")
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part1(lines)
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part2(lines)
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