public void Example3()
        {
            var finder = new MedianFinder();

            finder.AddNum(5);

            Assert.AreEqual(5, finder.FindMedianInt());

            finder.AddNum(15);

            Assert.AreEqual(10, finder.FindMedianInt());

            finder.AddNum(1);

            Assert.AreEqual(5, finder.FindMedianInt());

            finder.AddNum(3);

            Assert.AreEqual(4, finder.FindMedianInt());

            finder.AddNum(13);

            Assert.AreEqual(5, finder.FindMedianInt());
        }