GATE EXAM PREPARATION IN "C" - Condition To Print “HelloWord”

Condition To Print “HelloWord”

What should be the “condition” so that the following code snippet prints both HelloWorld !

      if  "condition"
          printf ("Hello");
      else
          printf("World"); 

Solution:

#include<stdio.h> int main() {     if(!printf("Hello"))         printf("Hello");     else         printf("World");     getchar(); }

Explanation: Printf returns the number of character it has printed successfully. So, following solutions will also work

if (printf(“Hello”) < 0) or if (printf("Hello") < 1)