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C if else


C If Else statement is a conditional statement, which can be used in various forms to check a condition or multiple conditions and to perform the specified action or actions, if the particular condition is true. These are:

if :

If statement is used to perform an action if a single condition is true.

Syntax:

if (condition)

{

            Execute this code if condition is true; else nothing to be executed;

}

..else:

If else statement is used to perform an action if a single condition is true and to perform another action if that condition is false.

Syntax:

if (condition)

{

Execute this code if condition is true;

}

else

{

  Execute this code if condition is false;

}

..else if….else:

If elseif else statement is used to perform different actions for different conditions.

 

Syntax:

if (condition)

{

Execute this code if this condition is true;

}

else if (condition)

{

    Execute this code if this condition is true;

}

else

{

  Execute this code if all the conditions are false;

}

Example 1: Example of if statement

#include <stdio.h>
 
void main()
{
int sum = 200;
 
if (sum <= 200)
printf ("You Lose!");
}

Output

You Lose!

Example 2: Example of if..else statement

#include <stdio.h>
 
void main()
{
int sum = 100;
 
if (sum <= 200)
printf ("You Lose!");
else
printf ("You Won!");
}

Output

You Won!

Example 3: Example of if..else if..else statement

#include <stdio.h>
 
void main()
{
int sum = 200;
 
if (sum <200)
printf ("You Lose!");
else if (sum = 200)
printf ("Match Draw!");
else
printf ("You Won!");
}

Output

Match Draw!
Posted in C   
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