CP lab ex only pgms

8/10/2019 CP lab ex only pgms

1/28

INTEGER TO FLOAT CONVERSION

PROGRAM

#include

void main()

{

float b;

int a;

printf("\nEnteranInteger\n");

scanf("%d",&a);

b=(float)a;

printf("\nTheConvertedfloatvalue is%f",b);

}

OUTPUT

Enter an Integer 45

The Converted float value is 45.00000

RESULT

Thus the c program was written,entered, executed successfullyand the output

was verified


2/28

AREA OF CIRCLE

PROGRAM

#include

void main()

{

float r,area;

printf(\nEnter the radius of the circle);

scanf(%f,&r);

area=3.14*r*r;printf(\nArea=%f,area);

}

OUTPUT

Enter the radius of the circle 4

Area = 50.24

RESULT

Thus the c program was written,entered, executed successfullyand the output

was verified


3/28

TEMPERATURE CONVERSION

PROGRAM

#include

void main()

{

floatcel, fah ,c ,f;

clrscr();

printf(\nEnter the Fahrenheit value:);

scanf(%f,&f);

cel=(1.8)*(f-32);

printf(Celsius=%f,cel);

printf(\nEnter the Celsius value:);

scanf(%f,&c);

fah=(1.8)*c+32;

printf(Fahrenheit=%f,fah);

getch();

}

OUTPUT

Enter the Fahrenheit value:8

Celsius = -13.33

Enter the Celsius value:10

Fahrenheit = 50

RESULT

Thus the c program was written,entered, executed successfully and the output

was verified


4/28

EVALUATE THE GIVEN EXPRESSION

PROGRAM

#include

void main()

{

int a,b,c;

float x,y,z;

printf ("Enter the values for a,b,c \n");

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

y = (b/c) * a;

z = (a - b) / c

printf(The value of x is %f,x);

printf(The value of y is %f,y);

printf(The value of z is %f,z);

}

OUTPUT

Enter the value for a,b,c.

a= 5; b = 6; c= 12;

x = 28.000

y = 2.5000

z = 0.0555

RESULT

Thus the c program was written,entered, executed successfully and the output

was verified


5/28

DECISION MAKING & LOOPING, SCIENTIFIC PROBLEMS

Find the Given year is Leap Year or Not (using if else)

PROGRAM

#include

void main()

{

int year;

printf ("Enter the year \n");

scanf("%d", &year);

if (year%4==0)

printf ("It is a Leap Year \n");

else

printf ("It is Not a Leap Year\n");

}

OUTPUT

Enter the year 2004

It is a Leap Year

Enter the year 1998

It is not a Leap Year

RESULT

Thus the c program was written, entered, executed successfullyand the output was

verified


6/28

Largest of three numbers (using nested if else)

PROGRAM

#include

#include

void main()

{

inta,b,c;

clrscr();

printf(Biggest of three Nos);

printf(Enter the values of A,B,C);scanf(%d%d%d,&a,&b,&c);

if((a>b)&&(b>c))

printf(\n a=%d is greatest,a);

elseif(b>c)

{

printf(\n b=%d is greatest,b);

}

else

{

printf(\n c=%d is greatest,c);

}

getch();

}

OUTPUT

Enter the values of A,B,C:10 20 5

B = 20 is greatest

RESULT

Thus the c program was written,entered, executed successfullyand the output was

verified


7/28

SUMOFN NATURAL NUMBERS (using while)

PROGRAM

#include

void main()

{

int i,n,sum=0;

printf("Enter the range\n");

scanf("%d",&n);

i=1;while(i


8/28

SUM OF DIGITS (using do while)

PROGRAM

#include

void main()

{

int n,i,sum=0;

printf("Enter a Number\n");

scanf("%d",&n);

do

{i=n%10;

sum=sum+i;

n=n/10;

}

while(n>0);

printf("The Sumof digitis%d\n",sum);

}

OUTPUT

Enter a Number

5891

The Sum of digitis 23

RESULT


verified


9/28

ARITHMETIC OPERATIONS (Using SwitchCase)

PROGRAM

#include

#include

void main()

{

int a, b, c, n;

clrscr();

printf(1. Addition\n);

printf(2. Subtraction\n);printf(3. Multiplication\n);

printf(4. Division\n);

printf(0. Exit\n);

printf(Enter your choice : );

scanf(%d,&n);

printf(Enter the two numbers :);

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

switch(n)

{

case 1:

c = a + b;

printf(Addition :%d\n,c);

break;

case 2:

c = ab;

printf(Subtraction :%d\n,c);

break;

case 3:

c = a * b;

printf(Multiplication :%d\n,c);

break;


10/28

case 4:

c = a / b;

printf(Division :%d\n,c);

break;case 0:

exit(0);

break;

}

getch();

}

OUTPUT

1. Addition

2. Subtraction

3. Multiplication

4. Division

0. Exit

Enter Your Choice : 1

Enter the two nos a and b: 2 8

Addition : 10.



Subtraction : 3.



Multiplication : 16.Enter Your Choice : 4.


Division : 2.

Enter Your Choice : 0.

Exit.

RESULT

Thus the c program was written,entered, executed successfullyand the output wasverified


11/28

GENERATION OF ARMSTRONG NUMBERS

PROGRAM

#include

void main(){

int r;

long number = 0, c, sum = 0, temp;

printf("Enter an integer upto which you want to find armstrong numbers\n");

scanf("%ld",&number);

printf("Following armstrong numbers are found from 1 to %ld\n",number);

for( c = 1 ; c


12/28

ONE DIMENSIONAL ARRAY, TWO DIMENSIONAL ARRAY

ONE DIMENSIONAL ARRAY

PROGRAM

#include

#include

void main()

{

int a[3],i;

clrscr();

printf("\n\t Enter threenumbers : ");for(i=0; i


13/28

TWODIMENSIONAL ARRAY-MATRIX MULTIPLICATION

PROGRAM

#include

#include

void main()

{

int a[3][3], b[3][3], c[3][3], i, j, k;

clrscr();

printf("\nENTER 'A' MATRIX\n");

for(i=0;i


14/28

{

c[i][j]=0;

}

for(k=0;k


15/28

PROBLEMS UNDER STRING FUNCTIONS

Solving problems using String functions

PROGRAM

#include

#include

int main()

{

char a[100], b[100];

printf("Enter the first string\n");

gets(a);printf("Enter the second string\n");

gets(b);

if(strcmp(a,b) == 0 )

printf("Entered strings are equal.\n");

else

printf("Entered strings are not equal.\n");

return 0;

}

OUTPUT

Enter the first string

SVS

Enter the second string

SVS College of Engineering

Entered the strings are not equal

RESULT


verified


16/28

STRINGFUNCTIONS-CONCATENATE TWO STRINGS

PROGRAM

#include

#include

void main()

{

char s1[20], s2[20]; \

printf("\nEnter first string:");

gets(s1);printf("\nEnter second string: ");

gets(s2);

strcat(s1, s2);

printf("\nThe concatenated string is:%s", s1);

getch();

}

OUTPUT

Enter first string: College of

Enter second string: Engineering

The concatenated string is: College ofEngineering

RESULT


verified


17/28

STRING FUNCTIONS-COPIESTHE STRING

PROGRAM

#include

#include

void main()

{

char s1[20], s2[20];

printf("\nEnter string into s1: ");

gets(s1);

strcpy(s2, s1);

printf("\ns2: %s", s2);

getch();

}

OUTPUT

Enter string into s1: Engineering

s2: Engineering

RESULT


verified


18/28

STRING CONVERTION TO LOWERCASE, UPPERCASE, STRINGLENGTH

PROGRAM

#include

#include

#include

void main()

{

charstr[50];

clrscr();printf("\n\t Enteryour name : ");

gets(str);

printf("\nLower caseof string: %s",strlwr(str));

printf("\nUpper caseof string: %s",strupr(str));

printf("\nReverseof string: %s",strrev(str));

printf("\nLength of String: %d",strlen(str));

getch();

}

OUTPUT

Enteryour name :College

Lower caseof string: college

Upper caseof string: COLLEGE

Reverseof string: EGELLOC

Length of String: 8

RESULT


verified


19/28

PROGRAMS USING USER DEFINED FUNCTIONS

WITHOUT ARGUMENTS AND RETURN TYPE

PROGRAM

#include

voidisleap();

voidisleap()

{

int yr;

printf("Enter a Year\n");

scanf("%d",&yr);if(yr%4==0)

printf("GivenYear is Leap year");

else

printf("GivenYear is Not a Leap year");

}

void main()

{

isleap();

getch();

}

OUTPUT

Enter a Year

1965

GivenYear is Not a Leap year

RESULT


verified


20/28

FUNCTIONS WITHOUT ARGUMENTS &WITH RETURNTYPE

PROGRAM

#include

#include

float area();

float area()

{

int a,b,c;

float s,ar;

printf("Enter 3 Sides\n");scanf("%d%d%d",&a,&b,&c);

s=(a+b+c)/2;

ar=sqrt(s*(s-a)*(s-b)*(s-c));

return ar;

}

void main()

{

float a;

a=area();

printf("The Area of Triangle is%f\n",a);

}

OUTPUT

Enter3Sides

12 8 7

The Area of Triangle is19.748418

RESULT


verified


21/28

FUNCTIONS WITH ARGUMENTS & WITHOUT RETURNTYPE

PROGRAM

#include

void sorting(int a[],int n)

{

int i,j,t;

for(i=0;i


22/28

printf("Array Elemets before sorting\n");

for(i=0;i


23/28

USER DEFINED FUNCTIONS- SWAPPING OF TWO NUMBERS

CALL BY VALUE AND REFERENCE

PROGRAM

#include

#include

void swap(int *,int *);

void swap1(int,int);

void main()

{

int a,b,c,d;

clrscr();

printf("Enter the values of a and b:= ");

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

printf("Enter the values of c and d:= ");

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

printf("\n BEFORE SWAPPING : ");

printf("\n The value of a and b is : %d\t %d ",a,b);

printf("\n The value of c and d is : %d\t %d ",c,d);

printf("\n AFTER SWAPPING : ");

swap(a,b);

swap1(&c,&d);

printf("\n Method is:-Call by Value");

printf("\n **************************");

printf("\n The value of a and b is : %d\t %d",a,b);

printf("\n Method is:-Call by Address or Reference");

printf("\n ***************************");

printf("\n The value of c and d is : %d\t %d",c,d);

}


24/28

void swap(int *c,int *d)

{

int t;

t=*c;

*c=*d;

*d=t;

}

void swap1(int a,int b)

{

int t;

t=a;

a=b;

b=a;

}

OUTPUT:

Enter the values of a and b: 2 4

Enter the values of c and d: 6 5

BEFORE SWAPPING:

The value of a and b is: 2 4

The value of c and d is: 6 5

AFTER SWAPPING:Method is:-Call by Value

The value of a and b is: 2 4

Method is:-Call by Address or Reference

The value of c and d is: 5

RESULT

Thus the c program was written, entered, executed successfully and the output wasverified


25/28


26/28

PROGRAM FOR STRUCTURE

PROGRAM

#include

#include

struct student

{

char name[20];

int rno;

}s;

struct cse

{

int m1, m2, m3, m4, tot;

float avg;

struct student s;

}c[10];

void main()

{

int i,n;

clrscr();

printf("ENTER THE VEALUE OF n\n\n");

scanf("%d",&n);

printf("\nENTER NAME,RNO AND MARKS \n\n");

for(i=0;i


27/28

scanf("%d",&c[i].m4);

}

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

printf("\t\t******************STUDENT DETAILS***************\n");

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

printf("\tNAME \tRNO \tM1 \tM2 \tM3 \tM4 \tTOTAL \tAVERAGE\n");

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

for(i=0;i


28/28

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CP lab ex only pgms