PROGRAM FOR PRIME NO- C Language

/*PROGRAM FOR PRIME NO.*/

#include<stdio.h>

#include<conio.h>

void main()

{

int i,flag=0,n;

clrscr();

printf("Enter the no.::");

scanf("%d",&n);

for (i=2;i<=n/2;i++)

{

if(n%i==0)

{

printf("Not prime");

}

flag==1;

break;

}

if(flag==0)

{

printf("Prime");

}

getch();

}

/* ***********************OUTPUT***************************

Enter the no.::17

Prime*/

FACTORIAL OF A NUMBER- C Language

/* FACTORIAL OF A NUMBER*/

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j=1,fact=1;

clrscr();

printf("\n Enter the no.::");

scanf("%d",&i);

while(j<=i)

{

fact=fact*j;

j++;

}

printf("The Factorial of the number is %d",fact);

getch();

}

/************************OUTPUT***************************

Enter the no.::5

The Factorial of the number is 120*/

TABLE USING DO-WHILE- C Language

/*TABLE USING  DO-WHILE*/

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j=1,c;

clrscr();

printf("\n Enter the no.::");

scanf("%d",&i);

do

{

c=i*j;

printf("\n%d",c);

j++;

}

while(j<=10);

getch();

}

/************************OUTPUT***************************

Enter the no.::

5

10

15

20

25

30

35

40

45

50*/

TABLE USING WHILE- C Language

/*TABLE USING WHILE*/

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j=1,c;

clrscr();

printf("\n Enter the no.::");

scanf("%d",&i);

while(j<=10)

{

c=i*j;

printf("\n%d",c);

j++;

}

getch();

}

/* ***********************OUTPUT***************************

Enter the no.::

2

4

6

8

10

12

14

16

18

20 */

SIMPLE INTEREST- C Language

/* SIMPLE INTEREST*/

#include<conio.h>

#include<stdio.h>

void main()

{

float p,r,t,si,ta;

clrscr();

printf("Enter the principal amount,rate of interest and time\n");

scanf("%f%f%f",&p,&r,&t);

si=(p*r*t)/100;

printf("The simple interest is %f",si);

ta=p+si;

printf(“Total amount after the desire period is %f”,ta);

getch();

}

/************************OUTPUT***************************

Enter the principal amount, rate of interest and time

1000

2

2

The simple interest is 40

Total amount after the desire period is 1040*/

TO FIND GREATEST NUMBER - C Language

/* TO FIND GREATEST NUMBER*/

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c,max;

clrscr();

printf("Enter the three number\n");

scanf("%d%d%d",&a,&b,&c);

max=a;

if(b>max)

max=b;

if(c>max)

max=c;

printf("The gerater no. is %d",max);

getch();

}

/************************OUTPUT***************************

Enter the three number

23

65

95

The greatest no. is 95*/

To find the average using function- C Language

/*To find the average using function*/

#include<stdio.h>

#include<conio.h>

void main()

{

float avg(float,float);

float a,b,c;

clrscr();

printf("Enter the value ofa&b::\n");

scanf("%f%f",&a,&b);

c=avg(a,b);

printf("\n Avg is %f",c);

getch();

}

float avg(float a,float b)

{

float d;

d=(a+b)/2;

return(d);

}

/* ***********************OUTPUT***************************

Enter the value ofa&b::

2

3

Avg is::2.500000*/

To find the square using function - C Language

/*To find the square using function*/

#include<stdio.h>

#include<conio.h>

void main()

{

int square(int);

int a,b;

clrscr();

printf("enter the value of a:: ");

scanf("%d",&a);

b=square(a);

printf("square is %d ::",b);

getch();

}

int square(int x)

{

int y;

y=x*x;

return(y);

}

/************************OUTPUT***************************

  enter the value of a:: 12

  square is::144 */

EVEN OR ODD- C Language

/*EVEN OR ODD*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

int a;

clrscr();

printf("Enter the number::\n");

scanf("%d",&a);

if(a%2 == 0)

{

printf("Number is ev

en");

}

else

{

printf("Number is odd");

}

getch();

}

/************************OUTPUT***************************

Enter the number::6

Number is even*/

TABLE FROM 1 TO 20- C Language

/*TABLE FROM 1 TO 20*/

#include<conio.h>

#include<stdio.h>

void main()

{

int a,b,c;

clrscr();

for (a=1;a<=20;a++)

{

for (b=1;b<=10;b++)

{

c=a*b;

printf("\n%d*%d=%d",a,b,c);

}

getch();

}

}

MARK SHEET- C Language

/* MARK SHEET */

#include<stdio.h>

#include<conio.h>

#include<process.h>

void main()

{

float per;

clrscr();

int m1,m2,m3,m4,m5,m6,t,x=0;

printf("Enter the marks m1,m2,m3,m4,m5,m6\n");

scanf("%d%d%d%d%d%d",&m1,m2,&m3,&m4,&m5,&m6);

t= m1+m2+m3+m4+m5+m6;

per=t/6;

if(m1<40||m2<40||m3<40||m4<40||m5<40||m6<40)

{

printf("Student is fail & per. is %f",per);

x=1;

}

if (x==1)

exit(0);

else

if (per<40)

{

printf("student is failed & per.is %f",per);

}

if (per>=40 && per<50)

{

printf("student is passed with third division & per.is%f",per);

}

if (per>=50 && per<60)

{

printf("student is passed with second division & per.is %f",per);

}

if (per>=60 && per<75)

{

printf("student is passed with first division & per. is %f.",per);

}

if (per>75)

{

printf("student is passed with hons.& per.is %f",per);

}

getch();

}

/************************OUTPUT***************************

Enter the marks m1,m2,m3,m4,m5,m6

45

69

35

33

96

83

student is failed & per.is 58.000000*/