Write a program in C to input three numbers from the user and print the maximum number using if else statement.

Before going through the program, we should know about if else statement. If else statement is condition control statement which comes under control statement. It helps in the flow of execution of program.

Let’s us look through the syntax of if else statement.

If (condition)

{

Statement 1;

Else if (condition)

Statement 2;

Else

Statement 3;

}

Program: -

#include<stdio.h>

Void main()

{

Int a, b, c;

Clrscr ();

Printf(“\n enter the first number=”);

Scanf(“%d”, & a);

Printf (“\n enter the second number=”);

Scanf (“%d”,&b);

Printf(“\n enter the third number=”);

Scanf( “%d”,& c);

If( (a>b) && (b>c) )

Printf ( “%d is a greatest number “, a);

Else if ( (b>c) && (b>a) )

Print ( “ %d is a greatest number “, b);

Else

Printf ( “%d is a greatest number “,c);

getch();

}

OUTPUT= 

Enter the first number=

Enter the second number=

Enter the third number=

___ is the greatest number.