Codeblock Tests

#include <iostream>
int main()
{
    std::cout << "Hello world!" << std::endl;
    return 0;
}

#include <iostream>
int main()
{
    std::cout << "Hello world!" << std::endl;
    return 0;
}

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#include <iostream>
int main()
{
    std::cout << "Hello world!" << std::endl;
    return 0;
}

#include <iostream>
int main()
{
    std::cout << "Hello world!" << std::endl;
    return 0;
}