#include
#include
int main() {
QList numbers;
numbers << 1 << 5 << 6 << 7 << 9 << 11;
QList::iterator it;
it = qBinaryFind(numbers.begin(), numbers.end(), 6);
qDebug() << * it; // 6
numbers.clear();
numbers << 1 << 6 << 6 << 6 << 9 << 11;
it = qBinaryFind(numbers.begin(), numbers.end(), 6);
qDebug() << * it;
return 0;
}