AoC 2022, day 9
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| Language | Raku |
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| Owner | seaker |
| Created | 2 years ago |
| Modified | 2 years ago |
| Visibility | Public |
sub is-touching(@H, @T --> Bool:D) {
so (@H[0] - @T[0]) & (@H[1] - @T[1]) == -1|0|1
}
sub simulate(@movements, UInt:D \knot-num--> UInt:D) {
my @knots = [0, 0] xx knot-num;
my %trail is SetHash;
for @movements -> \drt, \dst {
for 1 .. dst.Int {
given drt {
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