If you are a C or C++ programmer you are going to need to install C/C++ compiler on your machine, so that you can compile and run your C/C++ source code.
Installing C/C++ compiler on xubuntu is pretty easy, there is a package called buil-essential which contains C/C++ compiler along with some important library and header files.
How to install C/C++ compiler on xubuntu 16.04
finally install the build-essential package like this
that's it, done!
- open terminal/console/command line and then run this
sudo apt-get update
sudo apt-get install build-essential