Question 4 14 Points Suppose you have a file called MyData.tit. In this file, a list of unknown number of users' ages are listed. Write a C++ program to read the ages and save the following in a file called "OutDota.txt": 1. Total number of users' ages 2 The average value of all ages 3. Total number of children, where a user with age less than or equal to 13 is considered as a child. The generated output should be formatted as follows: Example MyData.txt OutData.txt 20 15 Number of Users is 5 12 Age average is 13.0 8. In This file, Number of children is 3 10 13 Points Question 12 Write a function called "Replace_All that accepts two parameters: a matrix of 10x20 elements of type integer and an integer value y. The function must: Replace every positive matrix element by the value +5, and Replace every negative matrix element by the value -5, and Replace every zero by the value y