$****************$MAIN$.$C PLEASE$****************$

Problem $4$: Write a program in $C$ to count the frequency of each element of an array. $[20$ points$]$

Example: If the array elements are: $1,4,7,5,9,3,5,7,4,6,7,$ then the output is:

$1$: $1$

$3$: $1$

$4$: $2$

$5$: $2$

$6$: $1$

$7$: $3$

$9$: $1$