$/*$ This C program demonstrates the switch statement without using breaks. $\text{'}$: $f=a**b$; printf$("$f $=\%\frac{d}{?}$

$,f$;

case $\frac{?}{?}\text{'}$:$f=\frac{a}{b}$; printf$("$f $=\%\frac{d}{?}$

$,f$;

default: printf$("$invalid operator $\frac{?}{?}$

$)$;

$\}$

ch $=\text{'}-\text{'}$;

printf$("$ch $=\%\frac{c}{?}$

$,ch$;

switch $($ch$)\{$

case $\text{'}+{?}^{\text{'}}$:$f=a+b$; printf$("$f $=\%\frac{d}{?}$

$,f$;

case ${?}^{\text{'}**\text{'}}$:$f=a**b$; printf$("$f $\}$

$(,f$;

case $\frac{\frac{?}{?}}{\text{:}}f=\frac{a}{b}$; printf$("$f $=\%\frac{d}{?}$

$,f$;

default: printf$("$invalid operator $\frac{?}{?}$

$)$;

$\}$

ch $={?}^{\text{'}}**\text{'}$;

printf$("$ch $=\%\frac{c}{?}$

$,ch$;

switch $($ch$)\{$

case $\text{'}+\text{'}$: $f=a+b$; printf$("f=\%\frac{d}{?}$

$,f$;

case ${?}^{\text{'}}f=a-b$; $)=\%\frac{d}{?}$

$(,f$;