Write a C program that takes in an integer in the range $10-99($inclusive$)$ as input. The outputs are $1)$ a countdown starting

from the integer, and stopping when both output digits are odd and $2)$ average from all count$-$down numbers.

Ex: If the input is:

$46$

the output is:

$46,45,44,43,42,41,40,39$

average $is42\mathrm{.}50$

Ex: If the input is:

$57$

the output is:

$89$

the output is:

$\{\begin{array}{ccc}\text{:}[89,& 88,87,86,85,84,83,82,81,80,& 79]\end{array}$

averaqe $is84\mathrm{.}00$

$9$

or any number not between $10$ and $99($inclusive$),$ the output is:

Input must be $10-99$

For coding simplicity, follow each output number by a space, even the last one. Add a new line character after the statement

showing the average value.

Use a while loop. Compare the digits; do not write a large if$-$else for all possible odd$-$digit numbers $(35,37,39,$dots,$65),$ as that

approach would be cumbersome for larger ranges.

LAB

$14\mathrm{.}8\mathrm{.}1$: Homework $3$ P$1$: Countdown until digits are odd and find the average

ACTIVITY

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