C | Loops & Control Structure | Question 8

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#include<stdio.h>
int main()
{
   int n;
   for (n = 9; n!=0; n--)
     printf("n = %d", n--);
   return 0;
}

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What is the output?

(A) 9 7 5 3 1

(B) 9 8 7 6 5 4 3 2 1

(C) Infinite Loop

(D) 9 7 5 3



 Answer: (C) 

Explanation: The program goes in an infinite loop because n is never zero when loop condition (n != 0) is checked.  n changes like 7 5 3 1 -1 -3 -5 -7 -9 …


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