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Need help with loops in programming in particular C#?
How many times will the body of the while loop be executed if x has the value 11 at
the start of the loop?
while (x > 0){
System.Console.WriteLine(x);
x -= 2;
}
Which of the following loops terminate? Assume that x has the value 7 at the start of
the loop.
a. while (x < 75) b. while (x > 0)
x += 11; x += 11;
1 Answer
- gooberLv 77 years agoFavorite Answer
You should be able to figure this out easily if you understand that
x -= 2 means x = x -2
so it executes with x = 11, 9, 7, 5, 3, 1
Count em up -- 6 times
x+=11 will eventually get x to 7+7*11 = 84 at which time the loop (x<75) will terminate.
The loop (x>0) will allow x to grow without bound until an overflow occurs so in practical terms it does not terminate.
