+ day 3, part 2

03/README.md

@@ -3,3 +3,7 @@
 this one is a biiiit cursed
 
 `cat data | ./meow.sh`
+
+why the *hecc* was this so hard T_T
+
+`cat data | ./nyaa.sh`

03/nyaa.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+a=('' a b c d e f g h i j k l m n o p q r s t u v w x y z)
+a+=(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z)
+declare -A meow
+
+for (( i=1; i<${#a[@]}; i++ )); do
+	meow[${a[$i]}]=$i
+done
+
+sum=0
+while read l1; do
+	read l2
+	read l3
+	_l1=($(sed 's/./& /g' <<< "$l1"))
+
+	for i in ${_l1[@]}; do
+		if [[ "$l2" == *"$i"* && "$l3" == *"$i"* ]]; then
+			sum=$((sum+${meow[$i]}))
+			break
+		fi
+	done
+done
+
+echo $sum