Program of while loop in “c”

        

Program of while loop in “c”

·       /* to print number from 1 to 5*/

#include<stdio.h>

main()

{

int i;

i=1;

while(i<=5)

{

printf(“%d”,i);

++i;

}

}

·       /* To print even number less than 100 */

#include<stdio.h>

main()

{

int  i=2;

while(i<100)

{

printf(“%d”,i);

i=i+2;

}

}

·       /* To print the sum of digit */

#include<stdio.h>

main()

{

int num,r,s=0;

printf(“enter the digit”);

scanf(“%d”,&num);

while(num>0)

{

r = num%10;

s=s+r;

num=num/10;

}

printf(“sum=%d”,s);

}

·       /* to print  the reverse from of a given number */

#include<stdio.h>

main()

{

int num,r,rev=0;

printf(“enter the number”);

scanf(“%d”,&num);

while(num>0)

{

r=num%10;

rev=rev*10+r;

num=num/10;

}

printf(“reverse num=%d”,rev);

}

·       /* to check the number is pallidrone or not*/

#include<stdio.h>

#include<conio.h>

main()

{

int num,r,rev=0,t;

clrscr();

printf(“enter the number”);

scanf(“%d”,&num);

t=num;

while(num>0)

{

r= num%10;

rev=rev*10+r;

num=num/10;

}

if(t==rev)

printf(“%d is pallidrone”,t);

else

printf(“%d is not pallidrone”,t);

}

·       /*To check the number is armstrong or not */

#include<stdio.h>

main()

{

int num,r,s=0,t;

printf(“enter the number”);

scanf(“%d”,&num);

t=num;

while(num>0)

{

r= num%10;

s=s+r*r*r;

num=num/10;

}

if(t==s)

printf(“%d is armstrong”,t);

else

printf(“%d is not armstrong”,t);

} 

Program of switch & break in c

                            Program of switch & break

/* number of days of a particular month*/

#include<stdio.h>

main()
{
int mno;

switch(mno)

{

case 1; printf(“31 days”);
case 3;
case 5;
case 7;
case 8;

case 10;

case 12; printf(“31 daya”);break;

case 4;
case 6;
case 9;
case 11;printf(“30 days”);break;

case 13;printf(“invalide number”);

case 2;printf(“28 or 29 days”);

}

}

Program of else if ladder

                  Program of else if ladder in c

Ø /* TO PRINT NUMBER OF DAYS OF A MONTH*/

#include<stdio.h>

void main()

{

int  m;

printf(“enter the month number”);

scanf(“%d”,&m);

if(m==1 || m==3 || m==5 || m==7 ||m==8 || m==10 || m==12)

printf(“31 days”);

else if(m==4 || m==6 || m==9 || m==11)

printf(“30 days”);

else if(m==2)

printf(“28 or 29 days”);

else

printf(“invalide number”);

}

Program of if else keyword in c

                Program of if else keyword in c

·     /*   program to print greater number */

#include<stdio.h>

 void main()

{

int x,y;

printf(“enter the two number”);

scanf(“%d%d”,&x,&y);

if(x>y)

printf(“%d is greater”,x);

else

printf(“%d is greater”,y);

}

·    /* program to print number is odd or even */

#include<stdio.h>

main()

{

int x;

printf(“enter a number”);

scanf(“%d”,&x);

if(x%2==0)

printf(“%d is even”,x);

else

printf(“%d is odd”,x);

}

·    /* program to print the year is leap or not */

#include<stdio.h>

main()

{

int y;

printf(“enter the year”);

scanf(“%d”,&y);

if(y%4==0)

printf(“%d is leap year”);

else

printf(“%d is not leap year”);

}

                         Or

 /* program to print the year is leap or not */

#include<stdio.h>

main()

{

int y;

printf(“enter the year”);

scanf(“%d”,&y);

if((y%4==0 && y%100!=0) || (y%400==0))

printf(“%d is leap year”,y);

else

printf(“%d is not leap year”,y);

}

Program of nested if in c

                   Program of nested if in c

·       /* Program  to print smallest number among three number*/

#include<stdio.h>

main()

{

int  x,y,z;

printf(“enter three number”);

scanf(“%d%d%d”,&x,&y,&z);

if(x<y)

{

          If(x<z)

          printf(“%d is smallest number”,x);

          else

          printf(“%dis smallest number”,z);

}

else

{

          If(y<z)

          printf(“%d is smallest”,y);

          else

          printf(“%d is smallest”,z);

}

}

Program of simple if keyword in c language

    Program of  simple if keyword in c language

·       /* program to display the number is < 25 */

#include<stdio.h>

 void main()

{

int n;

printf(“enter the number ”);

scanf(“%d”,&n);

If(n<25)

{

printf(“number is %d”,n);

}

Simple program of c

                        

                               Simple program of c

·       / * Program to display message on the screen */

#include<stdio.h>

 void main()

{

 printf(“Welcome to the Word of c”);

}

·        /* program to print the sum of two number */

#include<stdio.h>

 void main()

{

 int x, y, s;

 printf(“enter the two number”);

 scanf(“%d%d”,&x,&y);

 s=x+y;

 printf(“sum=%d”,s);

}

·       /* program to print the product of three number */

#include<stdio.h>

 void main()

{

 int a,b,c,p;

 printf(“enter the three number”);

 scanf(“%d%d%d”,&a,&,b,&c);

p=a*b*c;

printf(“product=%d”,p);

}

·       /* program to print area of rectangle */

#include<stdio.h>

 void main()

{

int l,b,a;

printf(“enter the length and breadth of rectangel”);

scanf(“%d%d”,&l,&b);

a=l*b;

printf(“area of rectangle is =%d”,a);

}

·       /* program to print circumference of circle */

#include<stdio.h>

 void main()

{

int r;

float c;

printf(“enter the radius of circle”);

scanf(“%d”,&r);

c=3.14*r*r;

printf(“circumference of circle is %f”,c);

}

·       /* program to interchange or swap of two number */

#include<stdio.h>

void main()

{

Int x,y,t;

printf(“enter two number”);

scanf(“%d%d”,&x,&y);

printf(“before interchange \n”);

printf(“x=%d\n y= %d”,x,y);

t=x;

x=y;

y=t;

printf(“after inter change\n”);

printf(“x=%d\n y=%d\n”x,y);

}