100+ C Programming Output Questions with Explanation

39. What will be the output of following code :

// Assume all header files are included

enum colors {BLACK,BLUE,GREEN}
 main()
{

 printf("%d..%d..%d",BLACK,BLUE,GREEN);

 return(1);
}

A. 0..1..2
B. 0..1..6
C. 0..4..1
D. Runtime Error

View Answer & Explanation

Ans. a

Explanation : enum assigns numbers starting from 0, if not explicitly defined.

40. What will be the output of following code :

// Assume all header files are included

void main()
{
 int i=5;
 printf("%d",i+++++i);
}

A. 89
B. y
C. compile time error
D. Runtime Error

View Answer & Explanation

Ans. c

Explanation : The expression i+++++i is parsed as i ++ ++ + i which is an illegal combination of operators.

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