26 lines
386 B
Bash
Executable file
26 lines
386 B
Bash
Executable file
#!/usr/bin/env bash
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cd "$(dirname "$0")";
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function calc_requirement() {
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local input=$1;
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a=$((input / 3));
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a=$((a - 2));
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if [ "$a" -gt 0 ]; then
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b=$(calc_requirement "$a");
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a=$((a + b));
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else
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a=0;
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fi
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echo $a;
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}
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output=0;
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while read nr; do
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a=$(calc_requirement "$nr");
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output=$((a + output));
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done < ./input
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echo $output;
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