Write a C++ program that uses one-dimensional arrays to count frequency of numbers entered by the user. The numbers should be between 0 and 30. The program should prints the numbers and their frequency.

Sample Input /Output:

Please enter the numbers:

0 18 5 20 5 0 1 1 5 1 10 1 20

The frequency of numbers are:

Number: 0 frequency: 2

Number: 1 frequency: 4

Number: 5 frequency: 3

Number: 10 frequency: 1

Number: 18 frequency: 1

Number: 20 frequency: 2