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- #include "mainwindow.h"
- #include "ui_mainwindow.h"
- MainWindow::MainWindow(QWidget *parent) :
- QMainWindow(parent),
- ui(new Ui::MainWindow)
- {
- ui->setupUi(this);
- }
- MainWindow::~MainWindow()
- {
- delete ui;
- }
- void MainWindow::on_pushButton_clicked()
- {
- int iA1 = ui->lineEdit->text().toInt();
- int iD = ui->lineEdit_2->text().toInt();
- int iN = ui->lineEdit_3->text().toInt();
- if (iA1 == NULL || iD == NULL || iN == NULL)
- {
- ui->label_4->setText("Incorrect value");
- return;
- }
- int iResultOne = iA1 + iD * ( iN -1 );
- QString sResultOne = QString::number(iResultOne);
- ui->label_4->setText(sResultOne);
- int iResultTwo = (iA1 + iResultOne) / 2 * iN;
- QString sResultTwo = QString::number(iResultTwo);
- ui->label_5->setText(sResultTwo);
- }
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