X-Git-Url: https://git.sommitrealweird.co.uk/advent-of-code-2021.git/blobdiff_plain/16c6bf02b28e2d22ce893acdd4de2e4094316e8d..f1b1e23447bb6afd95256acfa9288a8b2680b8ee:/day13/fold.sh?ds=inline

diff --git a/day13/fold.sh b/day13/fold.sh
index 83e1585..7db1eda 100755
--- a/day13/fold.sh
+++ b/day13/fold.sh
@@ -91,9 +91,7 @@ fold() {
                     if [ $x_2 -ge $max_x  ]; then
                         offset_2=$offset_1
                     fi
-                    new_map+=("$dot")
-                    new_offset=$((($y * $new_max_x) + $x))
-                    new_map[$new_offset]=$((${map[$offset_1]} | ${map[$offset_2]}))
+                    new_map+=($((${map[$offset_1]} | ${map[$offset_2]})))
                 done
             done
             map=("${new_map[@]}")
@@ -120,9 +118,7 @@ fold() {
                 for (( x=0; x<$max_x; x++ )); do
                     off_1=$(($offset_1+$x))
                     off_2=$(($offset_2+$x))
-                    new_map+=("$dot")
-                    new_offset=$((($y * $max_x) + $x))
-                    new_map[$new_offset]=$((${map[$off_1]} | ${map[$off_2]}))
+                    new_map+=($((${map[$off_1]} | ${map[$off_2]})))
                 done
             done
             map=("${new_map[@]}")