Question 1 of 3. Count Frequency: [20 marks] Write a program with function(s) that counts the frequencies of array elements. Your program will take an array as input from the user. Write a function called CountFreq() that takes the array as a parameter and prints all unique elements and their frequencies. You can print the elements in any order. Make sure your code works for any input number/array, not just the test cases. Your code will be tested on other test cases not listed here. You need to assume a maximum array size of 20 Please properly comment your code before submission. For this part of the assignment, name your source file as CountFrequency_WSUID.cpp. For example, if your user ID is A999B999 name your file as CountFrequency_A999B999.cpp.