C++ 1. Implement the function catrevers, the function should take the first string and concatenate it to the reversed second string and return the second updated string. For example, if the first string is "Final" and the second string is "Exam", then the resulting string should be "maxEFinal" Write a main function to test your code. mmmmmmm 2. make function that returns the repeating vowels in a string entered by user and print the repeating vowels in main function. 3. Write a program which create an array of pointers to employee struct of 4 elements An employee has a Name,ID,Department, Salary. In read function: enter the values to each employee. In maxSalary function: print the details of employee who have the max salary. In searchByIDandDepartment function: print the details of employee in specific department and specific ID. Write a main function to test your code.