Free Pascal Compiler version 3.0.4+dfsg-18ubuntu2 [2018/08/29] for x86_64
Copyright (c) 1993-2017 by Florian Klaempfl and others
Target OS: Linux for x86-64
Compiling foo.pas
foo.pas(13,24) Error: Identifier not found "readlln"
foo.pas(30,4) Fatal: There were 1 errors compiling module, stopping
Fatal: Compilation aborted
Error: /usr/bin/ppcx64 returned an error exitcode

自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。