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#include <QApplication> #include <QWidget> #include <QGridLayout> #include <QPushButton> int main(int argc, char *argv[]) { QApplication app(argc, argv); QWidget window; QGridLayout layout(&window); QPushButton login("Login"); layout.addWidget(&login, 0, 0); window.setLayout(&layout); window.show(); return app.exec(); } VS int main(int argc, char *argv[]) { QApplication app(argc, argv); QWidget* window = new QWidget; QGridLayout* layout = new QGridLayout(window); QPushButton* login = new QPusButton("Login"); layout->addWidget(login, 0, 0); window->setLayout(layout); window->show(); return app.exec(); }
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