aoc2022/utils.sh
2022-12-01 17:45:12 +01:00

21 lines
504 B
Bash

#!/usr/bin/env bash
utils.qsort() {
read -ra arr <<< "$@"
((${#arr[@]} == 0)) && echo && return
local smaller=() bigger=() pivot="${arr[0]}" res=()
for i in "${arr[@]}"; do
if ((i < pivot)); then
smaller+=("$i")
elif ((i > pivot)); then
bigger+=("$i")
fi
done
read -ra smaller_sorted <<< "$(utils.qsort "${smaller[@]}")"
read -ra bigger_sorted <<< "$(utils.qsort "${bigger[@]}")"
res=("${smaller_sorted[@]}" "$pivot" "${bigger_sorted[@]}")
echo "${res[@]}"
}