code to be writen in C++

Important: need to write very simple code.

important : should use (const function)

so simple main and const function

Also, please do not copy paste an amswer from already solved same problem on cheg

Thank you.

3. (20 marks) Write a program that converts the temperatures 1 to 20 from Celsius to Fahrenheit and Kelvin. The output should look like this: Celsius Fahrenheit Kelvin 33.8 274.15 35.6 275.15 3 37.4 276.15 38.2 277.15 This continues until 20