if Statement :

Control Statements

v if Statement:

The if statement is decision making statement.

Syntax:

            If(test Condition)

            {

                        Statement 1;

                        Statement 2;

                        .

                        .          

                        .

                        .

                        Statement n;

             }

              Statement X;

              Statement Y;

              Statement Z;

 

§  if is a keyword, which is use to check condition/expression.

§  When the if statement condition is True, all statements in if blocks is executing then execute statement X, statement Y and statement Z.

§  When the if statement condition is False, all statements in if blocks is not executing. Only statement X, statement Y and statement Z are executing.

§  The condition is always enclosed within the pair of round braces i.e. parenthesis ().

Program:

            While purchasing of cloths, discount of 10% is offered if the total bill is more than 1000. If total bill is input through the keyboard, write a program to calculate total bill.

/* Prog no-3 Demo of if statement */

#include <stdio.h>

#include <conio.h>

void main()

{

                int bill,dis=0;

                clrscr();

                printf("\n\nEnter Total bill of cloths : " );

                scanf("%d",&bill);

                if(bill>1000)

                {

                        dis=10;

                        dis=bill*dis/100;

                        bill=bill-dis;

                  }

                printf("\nDiscount is = %d",dis);

                printf ("\nFinal bill of clothes =  %d", bill);

                getch();

}

Flowchart: