How many times are the loops executed?

Question

C++ / C#

Hello. Please tell me why from this figure in the first example the cycle is executed 1 time, in the third example 7 times, in the fifth 8 times. Can someone explain in simple terms. that he could not understand.

Answer 1

In the first example, count is multiplied by a negative number -1 and exits the while as it becomes negative.