Program to swap two values without using third variable in C.

Code Box
---------------------------------------------

/*program to swap two values without using third variable */

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();

printf("\nEnter two numbers :");
printf("\nEnter first number a= ");
scanf("%d",&a);

printf("\nEnter second number b= ");
scanf("%d",&b);

printf("\nValues before swapping a= %d & b= %d ",a,b);

a=a+b;   //swapping
b=a-b;
a=a-b;

printf("\nValues after swapping a= %d & b= %d ",a,b);

getch();
}

Program to print diamond pattern 1 using C.

Code Box
---------------------------------------

/* Program to print diamond pattern 1 */
#include <stdio.h>
#include <conio.h>
void main()
{

int i, j, k,n;
clrscr();

printf("Enter the number of stars: ");
scanf("%d",&n);

printf("\n---------------Diamond pattern-------------------\n");

for (i = 1; i <= n; i++)
{
for (j = 0; j < (n - i); j++)
printf(" ");
for (j = 1; j <= i; j++)
printf("*");

for (k = 1; k < i; k++)
printf("*");

printf("\n");
}


for (i = n - 1; i >= 1; i--)
{
for (j = 0; j < (n - i); j++)
printf(" ");

for (j = 1; j <= i; j++)
printf("*");
for (k = 1; k < i; k++)
printf("*");
printf("\n");
}
printf("\n");
printf("\n----------------------------------\n");
getch();
}

Program to find factor of any number in C.

Code Box
-----------------------------------

/* Program to find factor of any number */

#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();

int num,i;
printf("\n---------Factor Finder--------");
printf("\nEnter a number:");
scanf("%d",&num);

printf("\nFactors of %d are : ",num);
for(i=1;i<num;i++)
{
if(num%i==0)
{
printf("  %d",i);
}

}

getch();
}

Program to print square and cube of any number in C.

Code Box
-------------------------------------

/* program to print a square and cube of any number */

#include<stdio.h>
#include<conio.h>
void main()
{
int a,sq,cu;

printf("\nEnter a number:");
scanf("%d",&a);
sq=a*a;
cu=a*sq;

printf("\n--------------------");
printf("\n\t Number:%d",a);
printf("\n\t Square:%d",sq);
printf("\n\t Cube  :%d",cu);

printf("\n--------------------");

getch();
}

Program to print Student information using array in C.

Code Box
---------------------------------------

/* Program to print Student information */

#include<stdio.h>
#include<conio.h>
void main()
{
int age;
char name[25],city[20],clas[20];
clrscr();

printf("\nEnter name:");
scanf("%s",name);

printf("\nEnter  age:");
scanf("%d",&age);

printf("\nEnter  class:");
scanf("%s",clas);

printf("\nEnter City:");
scanf("%s",city);

printf("\n------------------------------------------");
printf("\n\t Student Information ");
printf("\n\t Name : %s",name);
printf("\n\t Age  : %d",age);
printf("\n\t Class: %s",clas);
printf("\n\t City : %s",city);

printf("\n------------------------------------------");



getch();
}

program to print square and cube of numbers between a given range by user in C.

Code Box
----------------------------------

/* program to print square and cube of numbers between range*/

#include<stdio.h>
#include<conio.h>
void main()
{
int i,sq,cu,br,ij;

printf("\nEnter Start number:");
scanf("%d",&br);
printf("\nEnter End number:");
scanf("%d",&ij);
printf("\n--------------------");

for(i=br;i<=ij;i++)
{
sq=i*i;
cu=i*sq;
printf("\n\t Number:%d",i);
printf("\n\t Square:%d",sq);
printf("\n\t Cube  :%d",cu);

printf("\n--------------------");

}

getch();
}

Program solution with range system in C.

Code Box
-------------------------------------------

/* Program to print fizz in place of multiple of 3 and buzz in place of 5 */

#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,k;
printf("\nEnter start:");
scanf("%d",&j);
printf("\nEnter End:");
scanf("%d",&k);


for(i=j;i<=k;i++)
{
if(i%(3*5)==0)
{
printf("BuzzFizz");
}
else if(i%5==0)
{
printf("Buzz");
}
else if(i%3==0)
{
printf("Fizz");
}
else
{
printf("%d",i);
}

if(i%10==0)
{
printf("\n");
}
else
{
printf("\t");
}

}

getch();
}

Program for function with return type and with arguments in C.

Code Box
--------------------------------

/*Program for  function with return type and with arguments */

#include<stdio.h>
#include<conio.h>
void main()
{
int total,a,b;
int sum(int ,int ); //Function declaration
printf("\nEnter first number:");
scanf("%d",&a);
printf("\nEnter Second number:");
scanf("%d",&b);
printf("Sum of two number:");
total=sum(a,b);
printf("%d",total); //Function call
getch();
}
int sum(int a,int b) //Function Definition
{
int c;
c=a+b;
return c;
}

Program for function without return type and without arguments in C.

Code Box
------------------------------------

/*Program for  function without return type and without arguments*/

#include<stdio.h>
#include<conio.h>
void main()
{
void sum(); //Function Declaration
printf("Sum of two number:");
sum(); //Function call
getch();
}
void  sum() //Function Definition
{
int a,b,c;
a=5;
b=6;
c=a+b;
printf("%d",c);
}

Program to print table of all odd numbers less than 10, Using flow control terms Break & Continue in C.

Code box
--------------------------------------

/*Program to print table of all odd numbers less than 10. Useing flowcontrol
terms  Break & Continue. */


#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
for(a=1;;a++)
{

if(a>=10)
{ break;
}
else
if(a%2==0)
{continue;
}
else
{
for(b=1;b<=10;b++)
{
printf("  %d",b*a);
}

}

printf("\n");
}
getch();
}

Program to illustrate the solution of fizz-buzz problem in C.

Code Box
---------------------------------------------

/* Program to print fizz in place of multiple of 3 and buzz in place of 5 */

#include<stdio.h>
#include<conio.h>
void main()
{
int i;

for(i=1;i<=50;i++)
{
if(i%(3*5)==0)
{
printf("BuzzFizz");
}
else if(i%5==0)
{
printf("Buzz");
}
else if(i%3==0)
{
printf("Fizz");
}
else
{
printf("%d",i);
}

if(i%10==0)
{
printf("\n");
}
else
{
printf("\t");
}

}

getch();
}