C | Input and Output | Question 6

Predict the output of below program:

#include <stdio.h>
int main()
{
    printf("%c ", "GeeksQuiz"[5]);
    return 0;
}

(A) Compile-time error
(B) Runtime error
(C) Q
(D) s


Answer: (C)

Explanation: The crux of the program lies in the expression: “GeeksQuiz”[5].
This expression is broken down by the compiler as: *(“GeeksQuiz” + 5). Adding 5 to the base address of the string increments the pointer(lets say a pointer was pointing to the start(G) of the string initially) to point to Q. Applying value-of operator gives the character at the location pointed to by the pointer i.e. Q.

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