clear

declare -a a

a=( [0]=$1 [1]=$2 [2]=$3 )

max=${a[0]}

min=${a[0]}

l=${#a[*]}

for ((i=0;i<$l;i++))

do

          if [ $max -le ${a[i]} ];then

                   max=${a[i]}

          else

                   min=${a[i]}

          fi

done

echo "Phan tu lon nhat la: $max"

echo "Phan tu nho nhat la: $min"

#Chạy lệnh:” admin@ubuntu~#/demo/test.sh 5 2 9