// cifri
echo -n "Enter a number: "
read input

case $input in
    [0-9])
        echo "You entered a one-digit number"
        ;;
    [0-9][0-9])
        echo "You entered a two-digit number"
        ;;
    [0-9][0-9][0-9])
        echo "You entered a three-digit number"
        ;;
    *)
        echo "You entered a number with more than three digits"
        ;;
esac

// 1 2 3 4 5
echo "Please enter a number of rows for the sequence to stop at:"

read rows

echo "Here is the pattern:"

for ((i=1; i<=$rows; i++)); do

    for ((j=1; j<=$rows; j++)); do

        if [ "$j" -le "$i" ]; then

            echo -n "$i "

        else

            echo -n "$j "

        fi

    done

    echo " "

done
//smallest and avg
echo "Enter the first number:"

read num1

echo "Enter the second number:"

read num2

echo "Enter the third number:"

read num3

smallest=$num1

if [ "$num2" -lt "$smallest" ]; then

    smallest=$num2

fi

if [ "$num3" -lt "$smallest" ]; then

    smallest=$num3

fi

echo "The smallest number is: $smallest"

average=$(echo "scale=2; ($num1 + $num2 + $num3) / 3" | bc)

echo "Their average is: $average"