When you run your code with `:make`, the result is put into the quickfix list, you can open it with `:cope`

See `help :make`
See `help quickfix`

You can also make your own command that show immediatelly your results:
```
command! -nargs=* Make :make <args> | cope
```
You just have to use `:Make` instead of `:make` to run your programm and be prompted to the quickfix list.

See `:help command`