If we execute this code in an otherwise correct and complete program:
n = 1;
n = (n++)+ (n++);
the value of n is guaranteed to be 3 after the second line executes.

Question

Quizplus · Accepted Answer

The behavior of this code is actually undefined in the C language standard. The order in which the increments and additions are performed is not guaranteed, so the result is unpredictable. It's possible that n could end up with a value of 3, but it is not guaranteed.

If We Execute This Code in an Otherwise Correct and Complete