25 lines
444 B
Bash
Executable File
25 lines
444 B
Bash
Executable File
if test -f cleaned_input.txt; then
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INPUT=$(cat cleaned_input.txt)
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else
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INPUT="3 4\n4 3\n2 5\n1 3\n3 9\n3 3"
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fi
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L1=$(printf "%b" "$INPUT" | awk '{print $1}' | sort -n)
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L2=$(printf "%b" "$INPUT" | awk '{print $2}' | sort -n)
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L1_ARRAY=($L1)
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L2_ARRAY=($L2)
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SUM=0
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for i in ${!L1_ARRAY[@]}; do
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DIFF=$(( ${L1_ARRAY[$i]} - ${L2_ARRAY[$i]} ))
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DIFF=${DIFF#-} #get absolute value
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SUM=$(( $SUM + $DIFF ))
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#echo $SUM
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done
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echo $SUM
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