I need help with creating a $21$ card game. Ive tried with minimal luck and would appreciate comments throughout the program which will allow me to understand and breakdown the program. It should be a game with $2$ participants the user and the dealer.$$

$$It should be done using c$++$ OOP. The program should include Branches$($Has at least $2$branches $($if$/$else statements$)),$Loops$($Has a while$-$loop and a for$-$loop.$),$Functions$($Has at least $1$void function and $1$non$-$void function, functions makes use of pass$-$by$-$value parameters and pass$-$by$-$reference parameters$),$Data Structures$($uses arrays$),$file stream$($Program reads or writes from$/$to a file.$),$Classes$($Class contains at least $2$member functions and at least $1$constructor$,$class is written not in the main file, but in a separate $.$h and $.$cpp file$),$README$($Zip folder contains a README.txt that describes the purpose of the project and application, a description of how to use the program, and directions on how to compile the program$)$