RUET OJ is the 1st Open Source Online Judge Platform Of Bangladesh .
http://ruetoj-ruetoj.193b.starter-ca-central-1.openshiftapps.com/
HTML, CSS, BootStrap, JavaScript
PHP, MySQL
C , C++, C++11 And Java
Linux, gcc, g++ , Java Compilers And Lampp
C/C++
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install g++-4.9
sudo ln -f -s /usr/bin/g++-4.9 /usr/bin/g++
Java
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt install openjdk-8-jre
Import SQL Files From dbs Folder .
If you are using localhost then change configuration of config.php to
$host="localhost";
$user="root";
$pass="";
$db="reg";