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44 lines
745 B
44 lines
745 B
3 years ago
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#!/usr/bin/env bash
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file="$1"
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ones=(0 0 0 0 0 0 0 0 0 0 0 0)
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lines=0
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gamma=""
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epsilon=""
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while read line; do
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bitn=0
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while read bit; do
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if [ "$bit" -eq 1 ]; then
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ones[$bitn]=$((${ones[$bitn]} + 1))
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fi
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bitn=$(( bitn + 1 ))
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done < <(echo "$line" | grep -o .)
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lines="$((lines + 1))"
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done < <(cat "$file")
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echo "${ones[@]}"
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for i in ${ones[@]}; do
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if [ "$i" -gt "$(( lines / 2 ))" ]; then
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gamma="${gamma}1"
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epsilon="${epsilon}0"
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else
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gamma="${gamma}0"
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epsilon="${epsilon}1"
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fi
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done
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gammaDecimal="$( echo "ibase=2; $gamma" | bc )"
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epsilonDecimal="$( echo "ibase=2; $epsilon" | bc )"
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echo "Gamma: $gamma -> $gammaDecimal"
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echo "Epsilon: $epsilon -> $epsilonDecimal"
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echo "Answer: $((gammaDecimal * epsilonDecimal))"
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