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Condition To Print “HelloWorld”

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  • Difficulty Level : Easy
  • Last Updated : 21 Feb, 2022

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

 

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

Method 1: 
 

c




#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) etc 
Method 2: Using fork() 
 

c




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

This method is contributed by Aravind Alapati.
Please comment if you find more solutions of this.
 

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