Tuesday, 20 November 2012

Son of C Test Redux

Yesterday, the tutor of the C course went through the questions with us, as they were a little harder than last time. One of them was really tricky (and I didn't get it!):

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5 		#define MAX_COUNT 20
int counter;

for(counter = 0; counter < MAX_COUNT; counter++);
  printf("The value of the counter is %d\n", counter);

What's the output? (Answer in the comments)
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2 comments:

  1. The Laughing Lemon20 November 2012 at 10:32

    There should only be one line:
    The value of the counter is 19

    This is because there's a semi-colon at the end of the "for" statement, terminating it prior to the printf. See, tricky!

    ReplyDelete
  2. The Laughing Lemon20 November 2012 at 17:44

    Sorry, that should be "The value of the counter is 20", not 19! See how easy it is!

    ReplyDelete

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