if statement

if statement(s):

- in if statement, if the condition is true than it will execute the block of statements.

- if the condition is false then it will not execute the block of statement.

-   Syntax:

               if(condition)

               {

                          statement(s);

                }

-   Flow chart:

if statement

   - Example: A C program to check the student is pass.

#include<conio.h>

#include<stdio.h>

void main()

{

     float per;

     clrscr();

    

     printf(“enter the percentage:”);              

     scanf(“%f”,&per);

     if(per>35)

     {

          printf(“Student is pass.”);

     }

    

     getch();

}

OUTPUT:

enter the percentage: 65

Student is pass.

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Write a C Program to display multiplication table.

// Write a C Program to display multiplication table.

#include<conio.h>

#include<stdio.h>

void main()

{

     int n,multi;

     int i,j;

     clrscr();

     printf("enter the end:");

     scanf("%d",&j);

      

     printf("enter the number:");

     scanf("%d",&n);

     for(i=1;i<=j;i++)

     {

          multi = n * i;

          printf("\n %d * %d = %d",n,i,multi);

     }

     getch();

}

OUTPUT:

multiplicationtable.c

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Write a C Program to check entered year is a leap year or not.

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#include<stdio.h>

#include<conio.h>

void main()

{

  int year;

  printf("Enter a year:");

  scanf("%d", &year);

  if(year%4 == 0)

      printf("\n This is a leap year.", year);

 

  else if (year%400 == 0)

      printf("\n This is a leap year.", year);

  else if(year%100 == 0)

      printf("\n This is not a leap year.", year);

 

  else

      printf("\n This is not a leap year.", year); 

  getch();

}

OUTPUT:

 Enter a year: 12

This is a leap year.