100+ C Programming Output Questions with Explanation

35. What will be the output of following code :

// Assume all header files are included

 main()
{
 int c=- -2;
 printf("c=%d",c);
}

A. c=2;
B. c=-2;
C. c=++2;
D. Runtime Error

View Answer & Explanation

Ans. a

Explanation : Here unary minus (or negation) operator is used twice. Same maths rules applies, ie. minus * minus= plus.

36. What will be the output of following code :

// Assume all header files are included

main()
{
printf("\nab");
printf("\bsi");
printf("\rha");
}

A. bai
B. lai
C.hai
D. Runtime Error

View Answer & Explanation

Ans. c

Explanation :

\n – newline
\b – backspace
\r – linefeed

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