Пример #1
0
Calculator::Calculator(QWidget *parent) : QDialog(parent), myCurResult(0) {
    QVBoxLayout* mainLayout = new QVBoxLayout();
    setLayout(mainLayout);

    numberLineEdit = new QLineEdit("0");
    numberLineEdit->setValidator(new QIntValidator());
    mainLayout->addWidget(numberLineEdit);

    plusButton = new QPushButton("+");
    minusButton = new QPushButton("-");
    asterixButton = new QPushButton("*");
    slashButton = new QPushButton("/");

    QHBoxLayout* btnsLayout = new QHBoxLayout();
    btnsLayout->addWidget(plusButton);
    btnsLayout->addWidget(minusButton);
    btnsLayout->addWidget(asterixButton);
    btnsLayout->addWidget(slashButton);
    mainLayout->addLayout(btnsLayout);

    connect(plusButton, SIGNAL(clicked()), this, SLOT(sumUp()));
    connect(minusButton, SIGNAL(clicked()), this, SLOT(subtract()));
    connect(asterixButton, SIGNAL(clicked()), this, SLOT(multiply()));
    connect(slashButton, SIGNAL(clicked()), this, SLOT(divide()));
}
Пример #2
0
 bool isHappy(int n) {
     set<int> duplicate;
     
     while(n != 1)
     {
         if(duplicate.count(n) == 1) return false;
         else {
             duplicate.insert(n);
             n = sumUp(n);
         }
     }
     
     return true;
 }
Пример #3
0
WPMixer::WPMixer(QObject *parent) :
    QThread(parent),
    channel(0),
    chcnt(0),
    output(0)
{
    timer.setSingleShot(true);
    connect(&timer, SIGNAL(timeout()), this, SLOT(sumUp()));
    sdata = 0;
    tdata = 0;
    setReadLength(1);
    /*//debug
    filein = 0;
    fileout = 0;
    fileout2 = 0;*/
}
int main(void)
{
   int limit;
   
   printf("Enter how far the sum should be: (<=0 to quit)");
   scanf("%d", &limit);
   
   while (limit > 0) {
      printf("sum = %d\n", sumUp(limit)); // function statement
      
      printf("Enter how far the sum should be: (<=0 to quit)");
      scanf("%d", &limit);
   }
   printf("Exiting...\n");         
   
   return 0;   // return statement
}