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);

}