HELLO PLEASE SOMEONE HELP ME ANSWERING THIS QUESTION IN C++

Write c ++ program that contains the following functions:

main ( ): calls swap ( ) function , where the actual value of the parameter will be an integer that is inserted by the user

swap ( ) : requires in its formal parameter list one integer x , in its body reads x pairs of numbers , swaps them and finally prints the numbers after swapping.

o Hint: this function has no returned value.