Which of the following is the correct output for the program

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Which of the following is the correct output for the program given below ?

#include  <studio.h>
int main ( )
{
      char ch;
      if ((ch = printf ("")));
           printf ("I am inside if \n");
      else
           printf ("I am inside else\n");

      return 0;
}

1. I am inside if
2. I am inside else
3. random value
4. No Output

Correct Option: B

printf("")

returns the number of characters successfully printed. So the condition

if(ch = printf(""))

fails as ch is set to 0. Hence, the else clause is getting executed.