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- //void to give change if it's posible
- void MainWindow::on_give_change_clicked()
- {
- int temp = banknotesReceiver.giveChange();
- if (temp == -1){
- ui->label_service->setText("Невозможно выдать сдачу, обратитесь в тех. поддержку");
- } else {
- ui->label_service->setText("Ваша сдача: " + QString::number(temp));
- showUserMoney();
- }
- timer->start(4000);
- }
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