Execute both if and else statements

There are two ways to execute both if and else statements.

1.

if(1)

printf("if loop");

else;

printf(" else loop");

output:

if loop else loop

In the above statement note that there is a semi-colon (;) in the else statement. This statement is called as NULL statement in 'C'.

The above program becomes:

if(1)

printf("if loop");

else
 ;

printf(" else loop");


2.

if(printf("if")==0)
printf(" if");
else
printf(" else");

output:

 if else

In the statement-2, the printf which is inside the if condition is executed. Generally if executes the statement which is given as condition, so executes the print statement and then checks it is equal to 0, here condition becomes false. When condition comes false else is executed.

In this above step-2 the print statement which is given inside the if loop is executed. So the question is:

if(condition)

printf("Hello");

else

printf(" world");

write the condition such that your output will be:

Hello world