oops program file

7/31/2019 OOPs Program File

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OOPS

PROGRAM

FILE

Submitted by-Naman Garg

3rd SEM

ECE B1

Group-3

UE105050


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PROGRAM-1

Q- Program to input a value and display WELL DONE that many times.

#include

#include

void main()

{clrscr();

int n; //no. of times to print

coutn;

for(int i=1;i


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OUTPUT


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PROGRAM-2

Q- Program to find larger of 2 nos.

#include

#include

void main()

{clrscr();

int a,b;

couta>>b;

if(a>b)

cout


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OUTPUT


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PROGRAM-3

Q- Program to print the pattern

1

22

333

4444

............

#include

#include

void main()

{clrscr();

int n; //Stores no. of rows to print

coutn;

for(int i=0;i


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OUTPUT


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PROGRAM-4

Q- The rates for electricity consumption are

For the first 100 units - 60p per unit

For next 200 units - 80p per unit

Beyond 300 units - 90p per unit

All users are charged min of Rs50. If the total amt is more than Rs300 then an

additional surcharge of 15% is added. WAP a program to read names and units

consumed and print out the total charges.

#include

#include

#include

void main()

{clrscr();

char name[30];

float units,charge=50.0;

cout


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if(charge>300.0)

charge=charge+.15*charge;

cout


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OUTPUT


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PROGRAM-5

Q- WAP to find sum, transpose and product of 2 matrix.

#include

#include

#include

class matrix

{ int a[10][10], b[10][10], c[10][10];

int m,n,p,q; // size of 2 matrix

int ch; // choice

public:

inline void initialise(); //Initialise sizes to zero

void menu(); //Prints main menu

void choose(); //Chooses option from main menu

void size1(); //Inputs and checks size of 1st matrix

void size2(); //Inputs and checks size of 2nd matrix

void input1(); //Inputs matrix 1

void input2(); //Inputs matrix 2

void print_c(); //Prints output matrix

void sum(); //Calc sum of 2 matrix

void transpose(); //Calc transpose of matrix

void product(); //Calc prod of matrices

};

void matrix::initialise()

{ m=n=p=q=0;

}


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void matrix::menu()

{ clrscr();

initialise();

cout


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}

}

}

void matrix::size1()

{

cout10)

{ cout


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size2();

}

}

void matrix::input1()

{

cout


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getch();

menu();

}

void matrix::sum()

{

size1();

size2();

if(m!=p||n!=q)

{ cout


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size1();

input1();

for(int i=0;i


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{ c[i][j]=0;

for(int k=0;k


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OUTPUT


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PROGRAM-6

Q- WAP power() to raise a number m to a power n. The function takes double

value for m and int value for n. Use default value of 2 for n.

#include

#include

double power(double m, int n=2)

{

double p=1;

for(int i=1;i


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OUTPUT


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PROGRAM-7

Q- WAP power() to raise a number m to a power n. The function takes double

value for m and int value for n. Use default value of 2 for n. Also take int value

of m and use function overloading.

#include

#include

double power(double m, int n=2)

{

double p=1;

for(int i=1;i


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coutm;

coutn;

p=power(m,n);

cout


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OUTPUT


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PROGRAM-8

Q- Create two classes DM and DB storing distances. DM stores dist in metre

and cm while DB in feet and inches. WAP to read the values of class objectsand add one obj of DM with other of DB. Use friend function to carry out this

task. Take object storing result as DM object.

#include

#include

class DB;

class DM

{ float metre,cm;

public:

void input()

{ coutmetre>>cm;

}

friend DM convert(DM,DB);

void disp()

{ cout


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void input()

{ coutfeet>>inch;

}

friend DM convert(DM m,DB f);

};

DM convert(DM m,DB f)

{ DM conv;

float total_inch=12*f.feet+f.inch;

float cm=m.metre*100+m.cm;

float total_cm=cm+(2.54*total_inch);

conv.metre= (int) total_cm/100;

conv.cm=(total_cm/100-conv.metre)*100;

return conv;

}

void main()

{

clrscr();

DM m,conv;

DB f;

m.input();

f.input();


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conv=convert(m,f);

conv.disp();

getch();

}


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OUTPUT


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PROGRAM-9

Q- Define and implement a class to store bank accounts. Include following

data members- name of depositor

account no.

type of account

balance

member functions-

assign initial values

deposit an amount

withdraw amount

display name and balance

#include

#include

#include

#include

class account

{ char name[30];

long acc_no;

char type; //s-saving, c-current, d-dormant

float balance;

public:

void menu();

void choice();

void assign();

void deposit();

void withdraw();


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void disp();

};

void account::menu()

{ clrscr();

cout


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else

{ coutch;

goto A;

}

}

void account::assign()

{ cout


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coutamt;

balance=balance+amt;

cout


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puts(name);

cout


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OUTPUT


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PROGRAM-10

Q- Create a class string. Use overloaded operator == to compare two strings.

#include

#include

#include

#include

class string

{

char str[30];

public:

string operator==(string);

void getstr();

void disp();

};

void string::getstr()

{ cout


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if(strcmp(str,s1.str)==0)

cout


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OUTPUT


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PROGRAM-11

Q- Create a class FLOAT containing one data member. Overload all four

arithematic operators so that they operate on objects of FLOAT.

#include

#include

class FLOAT

{

float f;

public:

void get()

{ coutf;

}

void disp()

{ cout


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return f3;

}

FLOAT FLOAT::operator-(FLOAT f1)

{ FLOAT f3;

f3.f=f-f1.f;

return f3;

}

FLOAT FLOAT::operator*(FLOAT f1)

{ FLOAT f3;

f3.f=f*f1.f;

return f3;

}

FLOAT FLOAT::operator/(FLOAT f1)

{ FLOAT f3;

f3.f=f/f1.f;

return f3;

}

void main()

{

clrscr();

FLOAT f1,f2,f3;

f1.get();


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f2.get();

f3=f1+f2;

cout


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OUTPUT


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PROGRAM-12

Q- Create a base class 'shape'. Use this class to store two double type values

that could be used to compute the area of figures. Derive two specific classesrectangle and triangle from base class shape. Add to the base class, a member

function get_data() to initialise base class data member and another function

disp_area() to display and compute area of figures. Make disp_area() as virtual

function and redefine in derived class to suit their requirements. WAP to

accept dimensions interactively and display the area. Treat two inputs as

length and breadth for rectangle and base and height for triangle.

#include

#include

#include

void choose();

class shape

{

protected:

double a,b; //two sides

double ar;

public:

void get_data()

{ couta>>b;

}

virtual void disp_area()

{ cout


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};

class triangle : public shape

{ public:

void disp_area()

{ get_data();

ar=a*b/2;

cout


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cout


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void main()

{

clrscr();

choose();

getch();

}


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OUTPUT


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PROGRAM-13

Q- Create a base class 'shape'. Use this class to store two double type values

that could be used to compute the area of figures. Derive two specific classesrectangle and triangle from base class shape. Add to the base class, a member

function get_data() to initialise base class data member and another function

disp_area() to display and compute area of figures. Make disp_area() as virtual

function and redefine in derived class to suit their requirements. WAP to

accept dimensions interactively and display the area. Treat two inputs as

length and breadth for rectangle and base and height for triangle

Extend the program to disp area of circle. Create another derived class named

circle computing area of circle.

#include

#include

#include

void choose();

class shape

{

protected:

double a,b; //two sides

double ar;

public:

void get_data(double d1,double d2=0.0)

{ a=d1;

b=d2;

}

virtual void disp_area(){ cout


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};

class triangle : public shape

{ public:

void disp_area()

{ ar=a*b/2;

cout


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void menu()

{

clrscr();

cout


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t.get_data(d1,d2);

t.disp_area();

}

case 3:

{ double d1;

circle c;

coutd1;

c.get_data(d1);

c.disp_area();

}

case 9:

exit(0);

default:

{ cout


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OUTPUT


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PROGRAM-14

Q- WAP to read list containing item name, code, and cost and produce a

column wise output. The name is left justified, code and cost are right justifiedcost having precision of two digits.

#include

#include

#include

#include

class item

{ int code;

char name[15];

float cost;

public:

void get_data();void display();

};

void item::get_data()

{ coutcode;

cout


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cout


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OUTPUT


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PROGRAM-15

Q- WAP to read list containing item name, code, and cost and produce a

column wise output. The name is left justified, code and cost are right justifiedcost having precision of two digits. Fill unused spaces with hyphen.

#include

#include

#include

#include

class item

{ int code;

char name[15];

float cost;

public:

void get_data();void display();

};

void item::get_data()

{ coutcode;

cout


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cout


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OUTPUT


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PROGRAM-16

Q- A file phone.txt contains list of names and phone nos. WAP to read file and

output the list in two columns. The names should be left justified and phonenos write justified.

#include

#include

#include

#include

class list

{ char name[20];

long phone;

public:

void get();

void put();void read_file();

void write_file();

};

void list::get()

{ coutname;

coutphone;

write_file();

}

void list::put()

{ read_file();


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cout


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cout


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OUTPUT


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PROGRAM-17

Q- WAP to count no. of words in a string.

#include

#include

#include

int words(char str[100])

{

int word=0;

for(int i=0;str[i]!='\0';i++)

if(str[i]==' '&&str[i-1]!=' '&&str[i+1]!='\0')

word++;

return (word+1);

}

void main()

{clrscr();

char str[100];

int word;

cout


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OUTPUT


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PROGRAM-18

Q- WAP to check if string is palindrome or not.

#include

#include

#include

int palindrome(char str[30])

{

int len,i,j;

for(len=0;str[len]!='\0';len++);

for(i=0,j=len-1;i


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if(res==1)

cout


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OUTPUT


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PROGRAM-19

Q- Write a program to demonstrate use of constructors.

#include

#include

#include

class String

{

int length;

public:

char *name;

String()

{

name=new char[1];

}

String(char *a)

{

length=strlen(a);

name=new char[length+1];

strcpy(name,a);

}

void concatenate(char *a, char*b)

{

length=strlen(a)+strlen(b);

name=new char[length+1];

strcpy(name,a);

strcat(name,b);

}


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void display()

{

cout


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OUTPUT


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PROGRAM-20

Q- WAP to find max and min value in array.

#include

#include

void main()

{clrscr();

int i,n,max,min;

int list[100];

max=min=list[0];

coutn;

for(i=0;i


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OUTPUT


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PROGRAM-21

Q- Write a program to print Fibonacci series

#include

#include

void main()

{

clrscr();

unsigned long ctr,c,a,b,n;

coutn;

a=0;

b=1;

cout


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OUTPUT


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PROGRAM-22

Q- WAP to toggle case of characters in a string.

#include

#include

#include

void strtoggle(char str[])

{ int i;

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

{

if(str[i]>='a' && str[i]='A' && str[i]


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OUTPUT


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PROGRAM-23

Q- WAP to sort the cities entered by the user.

#include

#include

#include

#include

void main()

{

clrscr();

char arr[15][30], temp[30];

int no;

coutno;

for(int i=0;i


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}

}

cout


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OUTPUT


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PROGRAM-24

Q- Program to check for password entered by user.

#include

#include

void main()

{

clrscr();

cout


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OUTPUT

oops program file

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