This is the header file for the c++code please help me thank you

Programming Exercise (50 points) A quick sort C++ code was given in the class. Please expand the code to complete the merge sort, insertion sort, and selection sort respectively. A header file and please completes the c+ code. Please note that I have changed the class name to mysort in order to avoid any ambiguity. You need to test your implementation in the main.cpp file with a data file created. Programming Exercise (50 points) A quick sort C++ code was given in the class. Please expand the code to complete the merge sort, insertion sort, and selection sort respectively. A header file and please completes the c+ code. Please note that I have changed the class name to mysort in order to avoid any ambiguity. You need to test your implementation in the main.cpp file with a data file created