Challenge Description

You are given the following file structure:

.
|-- key.c
|-- main.c
`-- some
    `-- far
        `-- away
            |-- include
            |   `-- myheader.h
            `-- src
                `-- values.c

Your task is to write a Makefile that will be used to build everything into an executable file. After everything is done, if you run the executable you will find a flag:

$ ./main
[...]
USoC{...}

You need to paste that flag in the registration form, and upload an archive with all the build files you used.

Resources

You can find a basic tutorial on building a Makefile here, and a more detailed example here.