Final answer:
The subject of this question is Computers and Technology. The code provided is an example of a C++ program that uses a function called 'f1' to compare two integer parameters and print the corresponding result.
Step-by-step explanation:
The subject of this question is Computers and Technology. The code provided is an example of a C++ program that uses a function called 'f1' to compare two integer parameters. The program then prints 'W' if the first parameter is greater than or equal to the second parameter, and 'H' otherwise.