please I need. help with. this c++ project

thank you

Pseudo code: 1. Write prototype for the function 2. Read temperature from the user 3. Pass the temperature to the function 4. Decide the activity and print it put on the screen 3. Write a program to swap two numbers x and y. a. (16 points) a function called Swap. Swap them inside the function and print them out in the function b. You should read in two numbers from the key board and pass them to d. Print them in the main also. e. Did th ey print out the same values in the main and in the function? If not, why