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LEAP YEAR

AIM:

To determine if the given year is leap year or not using conditional operator.

ALGORITHM:

1. Start the program.

2. Get the year from the user.

3. Check the condition :( ( (yr%400) ==0) || ( (yr%4)==0 ) && ( (yr%100)!=0)) and assign

V=1 if its True or V=0 if its False.

4. Print the result as it is a leap year if V=1 or not a leap year otherwise.

5. Stop the program.

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PROGRAM:

#include

#include

void main()

{

int yr,v;

clrscr();

printf("\n\nEnter the year:");

scanf("%d",&yr);

v=( ( (yr%400) ==0) || ( (yr%4)==0 )&&( (yr%100)!=0) )?1:0;

if(v==1)

printf("The year %d is a Leap Year!!",yr);

else

printf("The year %d is not a Leap Year!!",yr);

getch();}

OUTPUT:

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Enter the year:2016

The year 2016 is a Leap Year!!

Enter the year:2017

The year 2017 is not a Leap Year!!

CHECKING CHARACTER

AIM :

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Write a program using conditional operator to find if the input is a Special Symbol or not.

ALGORITHM:


2. Get the character from the user into a.

3. Check for the ascii value of the character:

if((a>=65)&&(a=97)&&(a=48)&&(a

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{

char a;

clrscr();

printf("enter the character: \n");

scanf("%c",&a);

if((a>=65)&&(a=97)&&(a=48)&&(a=0)&&(a=58)&&(a=91)&&(a=123)&&(a

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You have entred a Special Symbol

Enter the symbol:p

the entered character is a lower case

Enter the symbol:8

the entered character is a number

LIBRARY FINE CALCULATION

AIM:

Write a program to calculate fine for book return in Library.

ALGORITHM:

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2. Get the value of Days from the user.

3. Calculate fine as:

if(days=6)&&(days10)&&(days30)

Fine=0

4. If fine! =0, print the fine amount, else print Membership Cancelled.


PROGRAM:

#include

#include

void main()

{

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int days,fine;

clrscr();

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

scanf("%d",&days);

if(days=6)&&(days10)&&(days30)

{fine=0;}

if(fine!=0)

printf("Your fine is = Rs.%d",fine);

elseprintf("Your membership has been cancelled!!!!");

getch();

}

OUTPUT:

Enter the no. of days:25

Your fine is = Rs.125

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TYPES OF TIRANGLE

AIM:

Write a program to check whether a Triangle is Isosceles, Scalene, Equilateral or Right.

ALGORITHM:


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2. Get the sides of the Triangle from the user.

3. Check the following condition:

If all the sides are equal, its an Equilateral Triangle.

If any 2 sides are equal, its an Isosceles triangle.

If the sum of square of any 2 sides is equal to the square of the third side, its a

Right Triangle.

If none of the sides are equal, its a Scalene Triangle.

4. Print the Triangle type.


PROGRAM:

#include

#include

void main()

{

int s1,s2,s3,sq1,sq2,sq3;

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clrscr();

printf("\n\nEnter the 1st side:");

scanf("%d",&s1);

printf("\n\nEnter the 2nd side:");

scanf("%d",&s2);

printf("\n\nEnter the 3rd side:");

scanf("%d",&s3);

sq1=s1*s1; sq2=s2*s2; sq3=s3*s3;

printf("\n\nThe Triangle is:");

if((s1==s2)&&(s2==s3)&&(s3==s1))

printf("Equilateral");

else if((s1==s2)||(s2==s3)||(s3==s1))

printf("Isosceles");

else if(((sq1+sq2)==sq3)||((sq1+sq3)==sq2)||((sq2+sq3)==sq1))

printf("Right");else if((s1!=s2)&&(s2!=s3)&&(s3!=s1))

printf("Scalene");

}

getch();

}

OUTPUT:

Enter the 1st side: 3

Enter the 2nd side: 4

Enter the 3rd side: 5

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The Triangle is:Right

PRIME NUMBERS

AIM:

Write a program to print all the Prime numbers from 1 to 300 using BREAK and

CONTINUE.

ALGORITHM:


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2. Begin 2 loops with variables i=0,

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for(i=1;i

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167 173 179 181 191 193 197 199 211 223

227 229 233 239 241 251 257 263 269 271

277 281 283 293

SUM OF SERIES

AIM:

Write a program to calculate the sum of the series:1/1!+2/2!+.+7/7!

ALGORITHM:


2. Declare and define a float function fact ().

3. Start a loop with i=1,i

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PROGRAM:

#include

#include

float fact(float n)

{

float f;

if((n==0)||(n==1))

return 1;

else

{

f=n*fact(n-1);

return f;

}

}

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void main()

{

float i,d=0;

clrscr();

for(i=0;i

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ARMSTRONG NUMBERS

AIM:

Write a program to print the Armstrong numbers from 1 to 300

ALGORITHM:


2. Start a loop with c=1,c

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PROGRAM :

#include

#include

void main()

{

int r;

long c, sum = 0, temp;

clrscr();

printf("Following armstrong numbers are found from 1 to 300:\n\n");

for( c = 1 ; c

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sum = sum + r*r*r;

temp = temp/10;

}

if ( c == sum )

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

sum = 0;

}

getch();

}

OUTPUT:

Following Armstrong numbers are found from 1 to 300:

1

153

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SORTING USING FUNCTION

AIM:

Write a function to sort an array.ALGORITHM:


2. Write a sort function sort () with the parameters n=size of the array and ar[]=array

name.

3. Print the sorted array inside the function.

4. Start the main program and read the size of the array and the array elements from the

user.

5. Call the function sort (array name [],size).


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PROGRAM:

#include

#include

void sort(int ar[],int n){

int t,i,j;

for(i=0;i

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{

printf("\n%d",ar[i]);

}

}

void main()

{

int ar[10],i,n;

clrscr();

printf("Enter the no. of elements in the Array:");

scanf("%d",&n);

printf("\n\nEnter the elements:");

for(i=0;i

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FACTORIAL

AIM:

Write a program to find the factorial of a number using recursion.

ALGORITHM:


2. Write an function fact() with the parameter n=number.

3. If n=0 or n=1, return 1.

4. Else, f=n*fact(n-1),return f.

5. In the main program, get the number n from the user.

6. Call the function fact(n);

7. Print the factorial.


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PROGRAM:

#include

#include

int fact(int n)

{int f;

if((n==0)||(n==1))

return 1;

else

{

f=n*fact(n-1);

return f;

}

}

void main()

{

int n,f;

clrscr();

printf("Enter the number:");

scanf("%d",&n);

f=fact(n);

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printf("\n %d! = %d",n,f);

getch();

}

OUTPUT:

Enter the number:5

5! = 120

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SUM OF NUMBERS

AIM:

Write a program using recursive functions to find the sum of first 25 numbers.

ALGORITHM:


2. Write a recursive function sum() as:s=s+n+sum(n-1)

3. Get the number upto which the sum has to be calculated from the user and call the

function.

4. Print the sum.


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PROGRAM:

#include

#include

int sum(int n)

{

int s=0;

if(n==0)

return 0;

else{

s=s+n+sum(n-1);

return s;

}

}

void main()

{

int n,s1;

clrscr();

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

scanf("%d",&n);

s1=sum(n);

printf("\n\nThe sum of the first %d no.s using Recursion is: %d",n,s1);

getch();

}

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OUTPUT

Enter the last no. :25

The sum of the first 25 no.s using Recursion is: 325

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SUM OF DIGITS WITH RECURSION

AIM:

Write a program to find the sum of the digits of a 5 digit number using Recursion.

ALGORITHM:


2. Write a recursive function sum() as:

r=n%10;

s=s+r+sum(n/10);

return s;

3. Read the % digit number from the user in the main program and call the function sum().

4. Print the sum.


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PROGRAM:

#include

#include

long sum(long n)

{

long s=0,r;

if(n==0)

return 0;

else{

r=n%10;

s=s+r+sum(n/10);

return s;

}

}

void main()

{

long n,s=0;

clrscr();

printf("Enter a 5 digit no.:");

scanf("%ld",&n);

s=sum(n);

printf("\n\n The sum of digits = %ld",s);

getch();

}

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OUTPUT:

Enter a 5 digit no.:45678

The sum of digits = 30

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SUM OF DIGITS

AIM:

Write a program to find the sum of the digits of a 5 digit number without using

Recursion.

ALGORITHM:


2. Read the 5 digit number from the user.

3. Calculate the sum of the digits as:

while(n>0)

r=n%10;

s=s+r;

n=n/10;

4. Print the sum.


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PROGRAM:

#include

#include

void main(){

long n,r,s=0;

clrscr();

printf("Enter the 5 digit no.:");

scanf("%ld",&n);

while(n>0)

{

r=n%10;

s=s+r;

n=n/10;}

printf("\n\nThe sum of the digits is = %ld",s);

getch();

}

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OUTPUT:

Enter the 5 digit no.:45678

The sum of the digits is = 30

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SWAPPING USING POINTERS

AIM:

Write a program to swap two numbers using pointers.

ALGORITHM:

1. Start the program

2. Read the numbers from the user.

3. Pass the address of the numbers to the function swap.

4. Use the temporary variable and pointer values to swap the values.


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PROGRAM:

#include

#include

void swap(int *a,int *b)

{

int t;

t=*a;*a=*b;

*b=t;

printf("\n\n A = %d \t\t B = %d",*a,*b);

}

void main()

{

int a,b;

clrscr();

printf("Enter A =");

scanf("%d",&a);printf("\nEnter B =");

scanf("%d",&b);

printf("\nAfter Swapping");

swap(&a,&b);

getch();

}

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OUTPUT:

Enter A =100

Enter B =200

After Swapping

A = 200 B = 100

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INTERCHANGE THE CONTENTS

AIM:

Write a program to interchange the contents of the variables without using a temporary

variable.

ALGORITHM:


2. Read the numbers a,b from the user.3. Swap the numbers by adding and subtracting the values from the input values.

4. Print the Swapped numbers.


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OUTPUT:

Enter A=100

Enter B=200

After interchanging:

A = 200 B = 100

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SUM OF DIGITS USING RECURSION

AIM:

Write a program to find the sum of the digits of a 5 digit number.

ALGORITHM:


2. Read the 5 digit number from the user.

3. Calculate the sum of the digits by using the modulus operation.

4. Print the sum.


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PROGRAM:

#include

#include

long sum(long n)

{

long s=0,r;

if(n==0)

return 0;

else

{

r=n%10;

s=s+r+sum(n/10);

return s;}

}

void main()

{

long n,s=0;

clrscr();

printf("Enter a 5 digit no.:");

scanf("%ld",&n);

s=sum(n);

printf("\n\n The sum of digits = %ld",s);getch();

}

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OUTPUT:

Enter a 5 digit no.:45678

The sum of digits = 30

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GREATEST OF THREE NUMBERS

AIM:

Write a program to find the greatest of 3 numbers using conditional operators.

ALGORITHM:


2. Read the 3 numbers a,b and c form the user.

3. Assign gr8s value as:

gr8=((a>b)&&(a>c))?a:((b>c)&&(b>a))?b:c;

4. Print gr8.


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PROGRAM:

#include

#include

void main()

{

int a,b,c,gr8;

clrscr();

printf("Enter the 3 no.s:");

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

gr8=((a>b)&&(a>c))?a:((b>c)&&(b>a))?b:c;

printf("\n\nThe greatest of %d, %d & %d is: %d",a,b,c,gr8);

getch();

}

OUTPUT:

Enter the 3 no.s:

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40

60

20

The greatest of 40, 60 & 20 is: 60

PALINDROME OF NUMBERS

AIM:

Write a program to check if a given number is a Palindrome or not.

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ALGOROTHM:


2. Read the number n from the user.

3. Using while loop and modulus operation get the reverse value of the input.

4. If input and reverse are same, print they are palindrome.

5. Else print they are not palindrome.


PROGRAM:

#include

#include

void main()

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{

int n,r,s=0,t;

clrscr();

printf("Enter the no.:");

scanf("%d",&n);

t=n;

while(n>0)

{

r=n%10;

s=s*10+r;

n=n/10;

}

printf("\nThe entered no: %d",t);

printf("\nThe revresed no: %d",s);

if(t==s)printf("\nThe no.s are a Palindrome!!!");

else

printf("\nThe no.s are not a Palindrome!!!");

getch();

}

OUTPUT:

Enter the no.:1234

The entered no: 1234

The revresed no: 4321

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The no.s are not a Palindrome!!!

FINDING THE YOUNGEST AMOUNG THREE

AIM:

Write a program to find the youngest of Ram, Shyam and Ajay when their ages are given.

ALGORITHM:


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2. Get the ages of Ram, Shyam and Ajay from the user.

3. Find the youngest of 3 as:

((r

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clrscr();

printf("Enter the ages of Ram, Shyam & Ajay:\n");

scanf("%d%d%d",&r,&s,&a);

printf("\n\nThe youngest of Ram, Shyam & Ajay is: ");

((r

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MATRIX OPERATIONS

AIM:

To perform addition, subtraction and multiplication operations on a matrix in a menu based

program.

ALGORITHM


2. Read the 2 matrices from the user.

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3. Read the operation to be performed on the matrices.

4. Based on the choice from Step 3, perform addition, subtraction or multiplication on the

matrices.

5. Display the result.


`

PROGRAM

#include

#include

void main()

{

int a[2][2],b[2][2],c[2][2],i,j,k,ch;

clrscr();

printf("\n\nEnter the Matrix A:");

for(i=0;i

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for(j=0;j

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}

break;

}

case 3:

{

for(i=0;i

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}

OUTPUT

Enter the Matrix a:

1

2

3

5

Enter the Matrix B:

2

1

3

4

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1.Addition

2.Subtraction

3.Multiplication

4.Display

5.Exit

Enter your choice: 1

1.Addition

2.Subtraction

3.Multiplication

4.Display

5.Exit


The Resultant Matrix:

3 3

6 9

1.Addition

2.Subtraction

3.Multiplication

4.Display

5.Exit


1.Addition

2.Subtraction

3.Multiplication

4.Display

5.Exit

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-1 1

0 1


1.Addition

2.Subtraction

3.Multiplication

4.Display

5.Exit



8 23

8 23

1.Addition

2.Subtraction

3.Multiplication

4.Display

5.ExitEnter your choice:5

INPUTTING DATA INTO A FILE AND DISPLAYING IT

AIM:

To create a file, store data into it and display the data based on some condition.

ALGORITHM


2. Open a file in write mode and write the data into the file.

3. Close the file.

4. Open the file in read mode and display the data that satisfies the condition.

5. Close the file

6. Stop the program

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PROGRAM

#include

#include

void main()

{

struct donor

{

char name[20],adrs[30];

int age,btyp;

}d[10];

FILE *f1;

int n,i;

clrscr();

f1=fopen("donor","w");

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if(f1==NULL)

{

puts("CAnnot open");

exit();

}

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

scanf("%d",&n);

for(i=1;i

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OUTPUT

Enter the no. of records:3

Enter the details of P.NO: 1

Name:Sam

Address:Chennai

Age:24

BLOOD type:2


Name:Rex

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Address:Mumbai

Age:27

BLOOD type:5


Name:Leo

Address:Delhi

Age:20

BLOOD type:1

The records in the file are:

Name:Sam

Address:Chennai

Age:24

B.Type:2

Name:Leo

Address:Delhi

Age:20

B.Type:1

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COPYING THE CONTENTS OF A FILE TO ANOTHER

AIM

To write a program to copy the contents of one file to another.

ALGORITHM


2. Open a file in write mode and write some text into it.

3. Close the file.

4. Open the file in read mode.

5. Open another file in write mode and write the contents of the file opened in step 4 onto

this file.

6. Close both the files.


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PROGRAM

#include

#include

void main(){

FILE *fs,*fd;

char ch;

clrscr();

fs=fopen("source","w");

fprintf(fs,"This file has the source content");

fclose(fs);

fs=fopen("source","r");

if(fs==NULL)

{

puts("Cannot open");

exit();

}

fd=fopen("desti","w");

if(fd==NULL)

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{

puts("Cannot open");

exit();

}

while((ch=getc(fs))!=EOF)

{

//fprintf(fd,"%c",ch);

putc(ch,fd);

}

fclose(fs);

fclose(fd);

getch();

}

OUTPUT

File: SOURCE

This file has the source content

File: DESTI

This file has the source content

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STRUCTURE IMPLEMENTATION

AIM

To write a program to implement the usage of array of structure.

ALGORITHM


2. Create the structure to store student details like name, course and marks of 3 subjects.3. Create an array as the structure variable.

4. Read data from the user in to the structure using loops.

5. Calculate the total and average.

6. Display the details, total and average.


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PROGRAM

#include

#include

void main()

{

struct student

{

char name[20],course[5];float m[4];

}s[4];

int i,j;

float tot[3]={0,0,0},avg[3]={0,0,0};

clrscr();

printf("\n\nSTUDENT DETAILS");

for(i=0;i

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avg[i]=(tot[i]/3);

}

printf("\n\nNAme\t\tCourse\t\tTOtal\t\tAverage");

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

for(i=1;i

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Enter MArk 2: 78

Enter MArk 3: 89

NAme Course TOtal Average

-----------------------------------------------------------

Tom MCA 257.000000 85.666664

Brad M.Tec 239.000000 79.666664

Phil MSc 252.000000 84.000000

STRING MANIPULATION

AIM

To write a program to perform string operations based on a menu.

ALGORITHM


2. Read the string from the user.

3. Read the users choice on what to count in the string, number of characters, words or the

occurrence of a particular character.4. Perform operation and display result.


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PROGRAM

#include

#include

#include

void main()

{

char str1[20],chara;

int w,c,count=0,ch,i,len;

clrscr();

printf("\n\nString Operations!!!");

printf("\n\nEnter the string:");gets(str1);

do

{

printf("\n\t1.Words\n\t2.Characters\n\t3.Counting the occurence of a character\n\t4.Exit");

printf("\n\nEnter what to count:");

scanf("%d",&ch);

switch(ch)

{

case 1:

{

w=0;

i=0;

while(str1[i]!='\0')

{ if(str1[i]== ' ')

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w++;

i++;

}

printf("The total number of words are %d",w+1);

break;

}

case 2:

{

c=0;for(i=0;str1[i]!='\0';i++)

{

i=c++ ;

}

printf("\n\nNo. of characters in the string: %d ",c);

break;

}

case 3:

{

printf("\nEnter the character to search for:");

scanf("%s",&chara);

len=strlen(str1);

count=0;

for(i=0;i

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{

exit();

}

}

}while(ch!=0);

getch();

}

OUTPUT

String Operations!!!

Enter the string:boy has a big blue ball

1.Words

2.Characters

3.Counting the occurence of a character

4.Exit

Enter what to count:1The total number of words are 6

1.Words

2.Characters


4.Exit

Enter what to count:2

No. of characters in the string: 23

1.Words

2.Characters


4.Exit

Enter what to count:3

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Enter the character to search for:b

The character b is present 4 times

1.Words

2.Characters


4.Exit

Enter what to count:

4

BILL GENERATION

AIM

To write a program to generate a bill with discount for purchases made for more than Rs.1000.

Display a menu of items and get the order from the user

ALGORITHM


2. Display the menu of items available and their price to the user.

3. Read the number of items the user wishes to buy.

4. Calculate the total amount.

5. If the amount>=1000, discount=10% of amount.

6. Display the bill amount.7. Stop the program

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PROGRAM

#include

#include

void main()

{

int pen,hard,stylus,p,h,s;

float amt,disc;

clrscr();

p=350;h=1200;s=750;

printf("Item\t\tPrice\nPen Drive\t%d\nHard Disk\t%d\nStylus\t\t%d",p,h,s);

printf("\n\nEnter the no. of items you wish to buy:\n(Enter 0 to skip an item)");printf("\n\tPen Drive:");

scanf("%d",&pen);

printf("\n\tHard Disk:");

scanf("%d",&hard);

printf("\n\tStylus:");

scanf("%d",&stylus);

amt=((pen*p)+(hard*h)+(stylus*s));

if(amt>=1000)

{

disc=((amt*10)/100);

amt=amt-disc;

}

printf("\n\nYour Bill\n---------\n%f",amt);

getch();

}

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OUTPUT

Item Price

Pen Drive 350Hard Disk 1200

Stylus 750

Enter the no. of items you wish to buy:

(Enter 0 to skip an item)

Pen Drive:2

Hard Disk:0

Stylus:1

Your Bill

------------

1305.000000

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SALARY CALCULATION

AIM

To write a program to find the gross salary of an employee when his basic salary is given.

The salary is calculated as:

If basic pay=1500, HRA=500 and DA=98%

ALGORITHM


2. Read the basic pay from the user.

3. Calculate the HRA and DA according to the condition.

4. Gross salary=basic pay+HRA+DA.

5. Display gross pay.


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PROGRAM

#include

#include

void main()

{float bp,hra,da,gp;

clrscr();

printf("ENter your Basic Pay:");

scanf("%f",&bp);

if(bp=1500){

hra=500;

da=(bp*0.98);

}

gp=bp+hra+da;

printf("\n\Gross Salary: %0.2f",gp);

getch();

}

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OUTPUT

ENter your Basic Pay:1500

Gross Salary: 3470.00

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PROGRAM

#include

#include

void main()

{

float km;

clrscr();

printf("Enter the distance between two cities:");scanf("%f",&km);

printf("\n distance in meter is: %f\n",(km*1000));

printf("\n distance in centimeter is: %f\n",(km*100000));

printf("\n distance in feet is: %f\n",(km*3200.03));

printf("\n distance in inches is: %f\n",(km*39370.7));

getch();

}

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OUTPUT:

Enter the distance between two cities:9

distance in meter is:9000.00000

distance in centimeter is:9000.00000

distance in feet is:28800.270000

distance in inches is:354336.300000

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CONVERTING TEMPERATURE

AIM

To covert the given temperature from Fahrenheit to Celsius.

ALGORITHM


2. Read temperature.

3. Convert it into Celsius and display.


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PROGRAM:

#include

#include

void main()

{

float f,c;

clrscr();

printf("Enter the temperature of Chennai in Fahrenheit:");

scanf("%f",&f);

c=(f-32)/1.8;

printf("the temperature in Celsius is: %f",c);

getch();}

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OUTPUT:

Enter the temperature of Chennai in Fahrenheit: 135

the temperature in Celsius is:57.222221

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AREA CALCULATION

AIM

Write a program to find the area and perimeter of a rectangle and area and circumference of a

circle.

ALGORITHM


2. Read the sides and radius of the triangle and circle respectively.

3. Calculate the area and perimeter of the rectangle and area and circumference of the

circle.

4. Display the result.


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PROGRAM

#include

#include

void main()

{

int l,b,r,pr,ar;

float cc,ac;

clrscr();

printf("enter the length and breath of the rectangle:");

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

printf("radius of the circle:");

scanf("%d",&r);

pr=2*(l+b);ar=l*b;

cc=2*3.14*r;

ac=3.14*r*r;

printf("\n the element of rectangle is:%d",pr);

printf("\n the area of rectangle is:%d",ar);

printf("\n the circumference of circle is:%f",cc);

printf("\n the area of circle is:%f",ac);

getch();

}

OUTPUT:

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enter the length and breath of the rectangle :2 3

radius of the circle:5

the element of rectangle is:10

the area of rectangle is:6

the circumference of circle is:31.4000

the area of circle is:78.5000

Documents

C record v.2