GATE 2024 CSE & IT Q19

Question

Consider the following C program:

#include <stdio.h>
void fX();
int main() {
fX();
return 0;}

void fX() {
char a;
if((a=getchar()) != '
')
fX();
if (a != '
')
putchar (a); }

Assume that the input to the program from the command line is 1234 followed by a newline character. Which one of the following statements is CORRECT?

Accepted Answer

The program will terminate with 4321 as output

Answer

The program will not terminate

Answer

The program will terminate with no output

Answer

The program will terminate with 1234 as output