aoc2024/d03/run.awk

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2024-12-03 08:57:20 +00:00
# run with
# grep -oP 'mul\([0-9]+[,][0-9]+\)|do\(\)|don.?t\(\)' input | tr '(,)' '\t\t\t' | awk -f this.awk
BEGIN {
run = 1
}
$1 == "mul" {
m = $2 * $3
P1 += m
if (run) {
P2 += m
}
}
$1 == "don't" {
run = 0
}
$1 == "do" {
run = 1
}
END {
print P1, P2
}