#include "mainwindow.h"
#include <QApplication>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();

    return a.exec();
}

#include <QApplication>

#include "gui/mainwindow.h"


int main(int argc, char *argv[])
{
    QApplication    app(argc, argv);
    MainWindow      window;
    window.show();

    return app.exec();
}

Indent and fix include statement
Indent and fix include statement
