GATE | Sudo GATE 2020 Mock III (24 January 2019) | Question 47

The output of following C program is

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#include <stdio.h>
char str1[100];
  
char *fun(char str[])
{
    static int i = 0;
    if (*str)
    {
        fun(str+1);
        str1[i] = *str;
        i++;
    }
    return str1;
}
  
int main()
{
    char str[] = "GATE CS 2015 Mock Test";
    printf("%s", fun(str));
    return 0;
}

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(A) GATE CS 2015 Mock Test
(B) tseT kcoM 5102 SC ETAG
(C) Segmentation Fault
(D) tseT


Answer: (B)

Explanation: The function basically reverses the given string.

Option (B) is correct.

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