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zern/examples/puzzles/aoc2024_01.zr
2026-06-06 18:53:11 +02:00

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849 B
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func part1[l1: Array, l2: Array] : void
out := 0
for i in 0..l1->size
out += math.abs(array.nth(l1, i) - array.nth(l2, i))
io.println_i64(out)
func part2[l1: Array, l2: Array] : void
out := 0
for i in 0..l1->size
out += array.nth(l1, i) * alg.count(l2, array.nth(l1, i))
io.println_i64(out)
func main[] : i64
~input, ok := io.read_text_file("input.txt")
if !ok
panic("failed to open input.txt")
lines := str.split(input, "\n")
l1 := []
l2 := []
for i in 0..lines->size
line : str = array.nth(lines, i)
parts := str.split(line, " ")
array.push(l1, str.parse_i64(array.nth(parts, 0)))
array.push(l2, str.parse_i64(array.nth(parts, 1)))
alg.quicksort(l1)
alg.quicksort(l2)
part1(l1, l2)
part2(l1, l2)