Pgm and OUTPUT

7/30/2019 Pgm and OUTPUT

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2/52

C PROGRAM TO PERFORM D=A*A+B*B-.2*C

PROGRAM:

#include< stdio.h>

#includevoid main()

{

int a,b,c,d;

clrscr();

printf(\nEnter a,b,c:);

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

d=a*a+b*b-2*c;

printf(\nThe value of a*a+b*b-2*c is %d,d);

getch();

OUTPUT:

Enter a,b,c:1 2 3

The value of a*a+b*b-2*c is -1


3/52

C PROGRAM TO PERFORM C=A*A-B*B

PROGRAM:

#include

#include

void main()

{

int a,b,c;

clrscr();

printf(\nEnter two values:);

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

c=a*a-b*b;

printf(\n The value of a*a-b*b is %d,c);getch();

}

OUTPUT:

Enter two values: 5 2

The value of a*a-b*b is 21


4/52

AREA AND CIRCUMFERENCE OF A CIRCLE

PROGRAM

#include

#includevoid main()

{

float r,a,c;

clrscr();

printf(\nEnter radius\n);

scanf(%f,&r);

a=3.14*r*r;

c=2*3.14*r;

printf(\n The area of circle is %f,a );

printf(\n The circumference of circle is %f,c );getch();

}

OUTPUT

Enter radius

2

The area of circle is 12.56

The circumference of circle is 12.56


5/52

TOTAL AND AVERAGE

PROGRAM

#include

#include

void main(){int m1,m2,m3,m4,m5,m6,Total;

float Average;

printf(\n Enter 6 marks\n);scanf(%d%d%d%d%d%d,&m1,&m2,&m3,&m4,&m5,&m6);

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

Average=Total/6;printf(\nTotal of six marks is %d\t,Total);

printf(\nAverage of marks is %f,Average);

getch();

}

OUTPUT

Enter 6 marks

85 90 88 90 97 95

Total of six marks is %d

Average of marks is %f


6/52

SWAPPING OF TWO VALUES

PROGRAM:

#include

#include

void main()

{

int a,b,t;

clrscr();

printf(\nEnter the values of a&b\t);

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

printf(Values of a and b before swapping a=%d \t b=%d,a,b);

t=a;a=b;

b=t;

printf(\nThe swapped values are a=%d \tb=%d,a,b);

getch();

}

OUTPUT:

Enter the values of a&b 10 35

Values of a and b before swapping a=10 b=35

The swapped values are a=35 b=10


7/52

SWAPPING OF TWO VALUES WITHOUT THIRD VARIBLE

PROGRAM:

#include

#includevoid main()

{

int a,b;

clrscr();

printf(\nEnter the values of a&b\t);

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

printf(Values of a and b before swapping a=%d \t b=%d,a,b);

a=a+b;

b=a-b;

b=a-b;printf(\nThe swapped values are a=%d \tb=%d,a,b);

getch();

}

OUTPUT:

Enter the values of a&b 10 35

Values of a and b before swapping a=10 b=35

The swapped values are a=35 b=10


8/52

C PROGRAM TO CONVERT THE NUMBER OF DAYS TO MONTHS

PROGRAM:

#include

#includevoid main()

{

int m,d,nd;

clrscr();

printf(\nEnter the number of days\t);

scanf(%d,&nd);

m=nd/30;

d=nd%30;

printf(\nNumber of months.\t %d,m);

printf(\nNumber of days.\t %d ,d);getch();

}

OUTPUT

Enter the number of days 62

Number of months. 2

Number of days. 2


9/52

C PROGRAM TO CALCULATE SALESMAN SALARY IN AN ORGANIZATION

PROGRAM

#include

#include #define BASIC 2500

#define BONUSRATE 200

#define COM 0.02

void main()

{

int qty;

float GS,PRICE,BONUS,COMM;

clrscr();

printf(\nEnter number of items sold and price\t);

scanf(s%d%f,&qty,&PRICE);BONUS=BONUSRATE*qty;

COMM=COM*qty*PRICE;

GS=BASIC+BONUS+COMM;

printf(\nBONUS.%6.2f\n,BONUS);

printf(\nCOMMISSION.%6.2f\n,COMM);

printf(\nGROSSSAL%6.2f\n,GS);

getch();

}

OUTPUT:

Enter number of items sold and price 80 90

BONUS.16000

COMMISSION.144

GROSSSAL18644


10/52

CENTIGRADE AND FAHRENHEIT CALCULATION

PROGRAM:

#include#include

void main()

{

float c,f,cn,fn;clrscr();

printf(Enter temperature in centigrade:);

scanf(%d,&c);f=1.8*c+32;

printf(\nFahrenheit equivalent is: %.1f\n,f);

printf(Enter temperature in Fahrenheit:);scanf(%d,&fn);

cn=(fn-32)/1.8;

printf(\n Centigrade equivalent is:%.1f\n,cn);getch();

}

OUTPUT:

Enter temperature in centigrade: 20

Fahrenheit equivalent is:68.0

Enter temperature in Fahrenheit: 68

Centigrade equivalent is:20.0


11/52

DECISION MAKING

Decision Making statements in a programming language help the

programmer to transfer the control from one-part to other part of theprogram.

Four Types of Conditional Statements are:

1.IF STATEMENT

2.IF.ELSE STATEMENT

3. NESTED IFELSE STATEMENT.

4.IFELSE LADDER


12/52

BIGGEST OF TWO NUMBERS

PROGRAM

#include

#include

void main()

{

int a,b;

clrscr();

printf(Enter the values of a and b\n);

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

if(a>b)

printf(\na is bigger\n);else

printf(\nb is bigger);

getch();

}

OUTPUT

Enter the values of a and b

10 8

a is bigger


13/52

BIGGEST OF THREE NUMBERS

PROGRAM

#include

#include

void main()

{

int a,b,c;

clrscr();

printf(enter the values of a, b and c);

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

if((a>b)&&(a>c))printf(a is bigger);

else if(b>c)

printf(b is bigger);

else

printf(c is bigger);

getch();

}

OUTPUT

Enter the values of a,b,c

6 34 11

b is bigger


14/52

EVEN OR ODD

PROGRAM

#include

#include

void main()

{

int n;clrscr();

printf(Enter a value\n);

scanf(%d,&n);if((n%2)==0)

printf(\nThe entered number %d is even,n);

elseprintf(\nThe entered number %d is odd,n);

getch();

}

OUTPUT:

Enter a value

8

The entered number 8 is even


15/52

LEAP YEAR

PROGRAM :

#include#include void main()

{

int year;

clrscr();printf(Enter a year);

scanf(%d,&year);

if((year%4)==0)printf(The year %d is a leap year,year);

else

printf(The year %d is not a leap year,year);getch();

}

OUTPUT

Enter a year

2019

The year 2019 is not a leap year


16/52

TO CHECK WHETHER AN ENTERED NUMBER IS IN THE RANGE OR NOT

PROGRAM :

#include#include void main()

{

int n;

clrscr();printf(Enter a value);

scanf(%d,&n);

if((n>10)&&(n


17/52

PROGRAM TO DEMONSTRATE NESTED IF ELSE AND IF ELSE LADDER

/* C PROGRAM TO DEMONSTRATE NESTED IF ELSE*/

#include#include

void main(){

int n;

clrscr();printf(\nEnter a number.);

scanf(%d,&n);

if(n==15)printf(\n Play football);

else

{if(n==10)

printf(\nPlay Cricket);

else

printf(\nDont Play);}

}

OUTPUT:

Enter a number.10

Play Cricket

/* C PROGRAM TO DEMONSTRATE IF ELSE LADDER*/


18/52

#include

#includevoid main()

{

int n;clrscr();

printf(\nEnter a number.);

scanf(%d,&n);if(n==15)

printf(\n Play football);

else if(n==10)

printf(\nPlay Cricket);else

printf(\nDont Play);

}

OUTPUT:

Enter a number.12

Dont Play

Enter a number...15

Play Football

Enter a number10

Play Cricket


19/52

ARMSTRONG NUMBER

PROGRAM:

#include

#include

void main(){

int a,n,r,sum=0;

clrscr();printf(Enter the Number:);

scanf(%d,&n);

a=n;

while(n>0){

r=n%10;

sum=sum+r*r*r;

n=n/10;}

if(a==sum)printf(%d is an Armstrong number.,sum);

else

printf(%d is not an armstrong number.,sum);getch();

}

OUTPUT:

Enter the Number: 153153 is an Armstrong number.

Enter the Number: 123

123 is not an armstrong number.


20/52

BRANCHING STATEMENTS:

1.A Switch Statement is well known branching statement. The Switch Statement is a

Multi-Way branch Statement.

2.If there is a possibility to make a choice from a number of options , this structuredselection is very useful.

3. The Switch Statement requires only one argument of any data type, which is checked

with number of case options.

4. Break statement is used to exit from the current case structure. The Switch Statement is

useful for Writing a Menu Driven Program.


21/52

ARITHMETIC CALCULATION-SWITCH CASE

PROGRAM:

#include#includemain()

{

int a,b,c,ch;

clrscr();printf("\t======");

printf("\n\tMENU");

printf("\n\t======");printf("\n\t 1.add");

printf("\n\t 2.sub");

printf("\n\t 3.mul");printf("\n\t 4.div");

printf("\n\t 5.mod");

printf("\n\t 6.exit");printf("\n\t======");

printf("\n\n\t enter your choice");

scanf("%d",&ch);

if(ch0){

printf("enter two no");

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

}switch(ch)

{case 1:

c=a+b;

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

break;case 2:

c=a-b;

printf("\n sub:%d",c);break;

case 3:c=a*b;printf("\n mul:%d",c);

break;

case 4:c=a/b;

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

break;


22/52

case 5:

c=a%b;

printf("\n mod:%d",c);break;

case 6:

printf("\n terminated by choice");exit();

break;

default:printf("\n invalid choice");

}

getch();

}

OUTPUT:

Menu

1.add

2.sub3.mul

4.div

5.mod

6.exitEnter your choice: 1

Enter two number 4 5

Add: 9

Menu

1.add

2.sub

3.mul4.div

5.mod

6.exitEnter your choice: 3

Enter two number 4 5

Sub: 20


23/52

Menu

1.add

2.sub3.mul

4.div

5.mod6.exit

Enter your choice: 5

Enter two number 4 5Mod: 4


24/52

CONVERTING YEARS INTO MIN,HR,DAYS,MONTH,SEC

PROGRAM:

#include

#include

void main(){

long ch,min,hrs,ds,mon,yrs,sec;

clrscr();printf("\n[1] MINUTES");

printf("\n[2] HOURS");

printf("\n[3] DAYS");

printf("\n[4] MONTHS");printf("\n[5] SECONDS");

printf("\n[6] EXIT");

printf("\nEnter your choice");scanf("%ld",&ch);

if((ch>0) && (ch


25/52

printf("\n Seconds:ld",sec);

break;

case 6:printf("\n Terminated by choice");

exit();

break;default:

printf("\n Invalid choice");

}getch();

}

OUTPUT:

[1] MINUTES

[2] HOURS

[3] DAYS

[4] MONTHS

[5] SECONDS

[6] EXIT

Enter your choice4

Enter years:4

Months:48

Enter your choice1

Enter years:1

Minutes:525600

Enter your choice2

Enter years:1

Hours:8760


26/52

LOOPING STATEMENTS

Different Loop Structures are available in C:

1.WHILE

2.DO..WHILE

3.FOR AND NESTED FOR LOOP.

LOOP:

A Loop is defined as a block of statements which are repeatedly executed for certain number of

times.

LOOP VARIABLE:

It is the variable used in the loop.

INITIALIZATION:

1.It is the first step in which starting and final value assigned to the loop variable.

2.Each time the update value is checked by the loop variable.

INCREMENT/DECREMENT:

It is the Numerical Value added to or subtracted from the variable in each round of the loop.


27/52

FACTORIAL OF A GIVEN NUMBER USING WHILE LOOP.

PROGRAM:

#include#includevoid main()

{

int i=1,fact=1,n;

clrscr();printf(\n Enter a number\n);

scanf(%d,&n);

while(i


28/52

TO CALCULATE FACTORIAL OF A GIVEN NUMBER USING DO-WHILE LOOP.

PROGRAM:

#include

#include

void main(){

int i=1,fact=1,n;

clrscr();printf(\n Enter a number\n);

scanf(%d,&n);

do{

fact=fact*i;

i++;

} while(i


29/52

FACTORIAL OF A GIVEN NUMBER USING FOR LOOP.

PROGRAM:

#include

#include

void main(){

int i,fact=1,n;

clrscr();printf(\nEnter a number\n);

scanf(%d,&n);

for(i=1;i


30/52

SUM OF N NUMBERS USING WHILE

PROGRAM:

#include

#include

void main(){

int i=1,sum=0,n;

printf(\nEnter n value);scanf(%d,&n);

while(i


31/52

SUM OF N NUMBERS USING DO-WHILE

PROGRAM:

#include

#include

void main(){

int i=1,sum=0,n;


do

{

sum=sum+i;i++;

} while(i


32/52

SUM OF N NUMBERS USING FOR LOOP

PROGRAM:

#include

#include

void main(){

int i,sum=0,n;


for(i=1;i


33/52

ARRAYS:

An array in C language is a collection of similardata-type, means an array can

hold value of a particular data type for which it has been declared. Arrays can becreated from any of the C data-types int, float, and char. So an integer array can only

hold integer values and cannot hold values other than integer. When we declare array,

it allocates contiguous memory location for storing values whereas 2 or 3 variables of

same data-type can have random locations. So this is the most important difference

between a variable and an array.

Types of Arrays:

One dimension array (Also known as 1-D array).

Two dimension array (Also known as 2-D array).

Multi-dimension array.

Declaration of One Dimensional Arrays:

Syntax: data_type array_name[width];

Example: int roll[8];
http://rajkishor09.hubpages.com/_gsm/hub/Data-Types-in-C-Languagehttp://rajkishor09.hubpages.com/_gsm/hub/Data-Types-in-C-Languagehttp://hubpages.com/_eknow/hub/How-to-work-with-Two-Dimensional-Arrays-in-Chttp://hubpages.com/_eknow/hub/How-to-work-with-Multidimensional-Array-in-C-Programminghttp://rajkishor09.hubpages.com/_gsm/hub/Data-Types-in-C-Languagehttp://hubpages.com/_eknow/hub/How-to-work-with-Two-Dimensional-Arrays-in-Chttp://hubpages.com/_eknow/hub/How-to-work-with-Multidimensional-Array-in-C-Programming


34/52

MATRIX MULTIPLICATION

PROGRAM:

#include

#include

void main(){

int a[5][5],b[5][5],c[5][5],r1,r2,c1,c2,i,j,k;

clrscr();step1:

printf(\nEnter the sizeof the matrix A);

scanf(%d%d,&r1,&c1);

printf(\nEnter the size of the matrix B);scanf(%d%d,&r2,&c2);

if(c1==r2)

goto step2;else

printf(\nMultiplication is not possible);

goto step1;step2 :

printf(\nEnter matrix A elements.\n);

for(i=0;i


35/52

for(i=0;i


36/52

TRANSPOSE OF A MATRIX

PROGRAM:

#include

#include

void main(){

int a[10][10],b[10][10],i,j,m,n;

clrscr();printf(Input Row& Column of matrix:);

scanf(%d%d,&n,&m);

printf(Enter the elements of matrix.\n);

for(i=0;i


37/52

SEARCHING AN ARRAY ELEMENT

PROGRAM:

#include

#include

void main()

{int j=0,n;

int x[10];

clrscr();printf("Enter 10 elements of array");

for(j=0;j


38/52

SORTING

PROGRAM:

#include#include

void main()

{int num[5],j,k,s=0;

clrscr();

printf(\n Enter 5 numbers);for(j=0;j


39/52

ADDITION OF EVEN NUMBERS AND MULTIPLICATION OF ODD NUMBERS IN AN

ARRAY.

PROGRAM:

#include

#include

void main()

{int a=0,m=1,num[5];

clrscr();

for(i=0;i


40/52

OUTPUT:

Enter No [1]:1

Enter No [2]:2Enter No [3]:3

Enter No [4]:4

Enter No [5]:5

Odd Number :1Even Number :2

Odd Number :3

Even Number :4Odd Number :5

Addition of even numbers:6Product of odd numbers : 15


41/52

FUNCTIONS:

Function groups a number of program statements into a unit and gives it a name. This

unit can be invoked from other parts of a program. A computer program cannot handle

all the tasks by it self. Instead its requests other program like entities called functions

in C to get its tasks done.

We can divide a long C program into small blocks which can perform a certain task. A

function is a self contained block of statements that perform a coherent task of same

kind.

It has three main parts:

Function Declaration.

Function Definition.

Function Call.


42/52

FACTORIAL USING RECURSION

PROGRAM:

#include#includeint fact();

void main()

{

int n;clrscr();

printf(Enter the number whose factorial is to be found:);

scanf(%d,&n);printf(The factorial of %d is :%d\n,n,fact(n));

getch();

}int fact(n)

int n;

{if(n==0)

return(1);

else

return(n*fact(n-1));}

OUTPUT:

Enter the number whose factorial is to be found: 6

The factorial of 6 is :720


43/52

SWAPPING USING POINTERS

PROGRAM:

#include#include

void interchange(int *x,int *y);

void main()

{int a,b;

clrscr();

printf(Enter the values A and B:);scanf(%d%d,&a,&b);

interchange(&a,&b);

printf(After interchange:\n);printf(a=%d b=%d\n,a,b);

getch();

}void interchange(int *x,int *y)

{

int temp;

temp=*x;*x=*y;

*y=temp;

}

OUTPUT:

Enter the values A and B: 23 56

a=23 b=56

After interchange:

a=56 b=23


44/52

STRUCTURES AND UNIONS

A Structure contains one or more data items of different type in which the individual

elements can differ in type. A Simple Structure may contain integer elements, float

elements and character elements etc., The Individual strucuture elements are called

members.

Syntax:

Struct structure_name

{

Structure member 1;

Structure member 2;

Structure member 3;

}; struct structure_name v1,v2..vn or v[10];

UNIONS:

Union is a derived data type and it is declared like structure. The difference betweenunion and structure is in terms of storage. In Structure each member has its own

memory location. Members of Union Share Common memory location depending

upon largest data type in the union.

union structure_name

{

union member 1;

union member 2;union member 3;

}; struct union_name v1,v2..vn or v[10];


45/52

GRADE CALCULATION-STRUCTURE

PROGRAM:

#include#include

struct stud

{

int rollno;

char name[30];

int m1,m2,m3,total;float avg;

char grade;

}a[25];

void main(){

int i,n;

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

for(i=0;i


46/52

printf(\t\tStudent mark details:\n);

printf(\nRollno\t Name \t\tmark1\tmark2\tmark3\t Total\taverage\t Grade);

for(i=0;i


47/52

EMPLOYEE DETAILS-UNION

PROGRAM:

#include

#include

union{

char name[25];

int idno;float salary;

}desc;

void main()

{strcpy(desc.name,vinod);

clrscr();

printf(\nEmployee Details);printf(\nThe name is %s \n,desc.name);

printf(\nThe idno is %d\n,desc.idno);

printf(\nThe salary is %6.2f\n,desc.salary);desc.idno=10;

printf(\nEmployee Details);

printf(\nThe name is %s \n,desc.name);printf(\nThe idno is %d\n,desc.idno);

printf(\nThe salary is %6.2f\n,desc.salary);

desc.salary=6500.00printf(\nEmployee Details);printf(\nThe name is %s \n,desc.name);

printf(\nThe idno is %d\n,desc.idno);

printf(\nThe salary is %6.2f\n,desc.salary);getch();

}

OUTPUT:

Employee DetailsThe name is vinod

The idno is 26998

The salary is 73784926787784641000000000000.00Employee Details

The name is vinod

The idno is 8192The salary is 6500.00


48/52


49/52

APART FROM THE SYALLBUS:

POINTERS:

PROGRAM TO PRINT THE VALUE AND ADDRESS OF THE ELEMENT USING ARRAY OF

POINTERS

#include#include

void main(){

int *a[3],I;int b=10,c=20,d=30;

a[0]=&b;

a[1]=&c;a[2]=&d;

clrscr();

for(i=0;i


50/52

DYANAMIC MEMORY ALLOCATION:

Syntax:

Pointer_variable=(type cast*)malloc(size in bytes);

PROGRAM TO PRINT VARIABLES FROM MEMORY ADDRESS USING MALLOC

#include

#include

#includevoid main()

{int *a,*b;

clrscr();

printf(Enter the size);scanf(%d, &size);

n=(int *)malloc(size * sizeof(int));

printf(Address of the first byte is..%u\n,n);

printf(Enter the values);for(a=n;a=n;a--)

printf(%d is stored in address %u\n,*a,a);

}

OUTPUT:

Enter the Size5

Address of the first byte is ..1952Enter the values.1 2 3 4 5

Printing the Values..

5 is Stored in address 19604 is stored in address 1958

3 is stored in address 1956




51/52

PROGRAM TO ALTERING THE ALLOCATED MEMORY USING REALLOC:

#include

#includevoid main()

{

char *p;p=(char *)malloc(6);

strcpy(p,MADRAS);

printf(Memory contains :%s\np);

p=(char *)realloc(p,7);strcpy(p,CHENNAI);

printf(Memory now contains %s\n,p);

free(p);

}

OUTPUT:Memory contains: MADRAS

Memory now contains: CHENNAI.


52/52

GRADE CALCULATION-STRUCTURE

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Date post:	14-Apr-2018
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