+ day 3, part 1
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03/README.md
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03/README.md
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# Day 3
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this one is a biiiit cursed
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`cat data | ./meow.sh`
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03/meow.sh
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03/meow.sh
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#!/bin/bash
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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)
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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)
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declare -A meow
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for (( i=1; i<${#a[@]}; i++ )); do
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meow[${a[$i]}]=$i
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done
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sum=0
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while read line; do
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len=$(echo -n "$line" | wc -c)
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c1=$(cut -c 1-$((len/2)) <<< "$line")
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c2=($(cut -c $((len/2+1))-$len <<< "$line" | sed -E 's/./& /g'))
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c3=""
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for i in ${c2[@]}; do
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[[ "$c1" == *"$i"* && "$c3" != *"$i"* ]] && sum=$((sum+${meow[$i]}))
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c3="$c3$i"
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done
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done
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echo $sum
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