Name : Aniket Katiyar

Scholar No. : 24U024013

Branch : CSE (DS)

LAB EXERCISE 1

#include <bits/stdc+
+.h> using
namespace std;
struct account{
string
name; int
number ;
int
balance ;
};

void deposit(vector<account>
acc){ int accnum;
cout << "Account
Number - "; cin >>
accnum;
for(int i = 0;i < acc.size();i++){
if(acc[i].number ==
accnum){ cout <<
"Amount deposit - " ;
int am;
cin >> am;
acc[i].balance += am;
cout << "Name - " << acc[i].name
<< endl; cout << "Number - " <<
acc[i].number << endl;
cout << "Current balance - " << acc[i].balance << endl << endl;
}
}
}
void
withdraw(vector<account>
acc){ int accnum;
cout << "Account
Number - " ; cin >>
accnum;
for(int i = 0;i < acc.size();i++){
if(acc[i].number ==
accnum){ int am;
cout << "withdraw
amount - "; cin >> am;
if(am <= acc[i].balance)
acc[i].balance -= am; else cout <<
"Not enough balance" << endl; cout
<< "Name - " << acc[i].name <<
endl; cout << "Number - " <<
acc[i].number << endl;
 cout << "Current balance - " << acc[i].balance << endl << endl;
}
}
}
void display(vector<account>
acc){ int accnum;
cout << "Account
Number - " ; cin >>
accnum;
for(int i = 0;i < acc.size();i++){
if(acc[i].number == accnum){

cout << "Name - " << acc[i].name

<< endl; cout << "Number - " <<
acc[i].number << endl;
cout << "Current balance - " << acc[i].balance << endl << endl;
}
}
}
void add_new_acc(vector<account> acc) {
string name;
cout << "Enter
Name - "; cin >>
name;
int
number;
bool k =
1;
while(k){
cout << "Enter
Number - "; cin >>
number;
for(int i = 0;i < acc.size();i++){
if(number == acc[i].number) cout << "Account number already
taken, try again\n"; else if(i == acc.size() - 1) k = 0;

}
}
acc.push_back({name,number
,0}); cout << "Account
added!\n";
}

int main(){
cout << "Aniket Katiyar\n24U024013\n\n";

vector<account> acc = {
{"Dakshesh",01,1500},
{"Shrey",02,2000},
{"Jayashish",03,5000},
{"Keshkanti",04,10000},
};
int
choice;
do{
cout << "\nEnter choices: \n1. deposit\n2. withdraw \n3. display\n4.
Add new account\n5. Exit\n\n";
cin >>
choice;
 switch(choic
e){
case 1:
deposit(acc);
break;
case 2:
withdraw(acc);
break;
case 3:
display(acc);
break;
case 4:
add_new_acc(acc);
break;
case 5: exit;
default: break;
}
}while(choice != 5);
Return 0;
}
OUTPUT
 LAB EXERCISE 2
#include <iostream>
#include <string>
#include <vector>
using namespace std;

class Book {
int bookID;
string title;
string authorName;
bool isIssued;
string issuedTo;
public :
void setBookDetails(int id, string bookt, string au) {
bookID = id;
title = bookt;
authorName = au;
isIssued = false;
issuedTo = "";
}

void addBook();
void issueBook(string name);
void returnBook();
void displayDetails();
int getBookID() {
return bookID;
}
};
void Book::addBook() {
cout << "Enter Book ID: ";
cin >> bookID;
cout << "Enter Title: ";
cin >> title;
cout << "Enter Author Name: ";
cin >> authorName;
cout << "Book added\n";
this->isIssued = false;
}
void Book::issueBook(string name) {
if (!this->isIssued) {
this->isIssued = true;
this->issuedTo = name;
cout << "Book issued to " << name << "." << endl;
} else {
cout << "Book is already issued to " << this->issuedTo << "." <<
endl;
}
}
void Book::returnBook() {
if (isIssued) {
isIssued = false;
issuedTo = "";
cout << "Book returned." << endl;
} else {
cout << "Book is not issued yet." << endl;
}
}
void Book::displayDetails() {
cout << "Book ID - " << bookID << endl;
cout << "Title - " << title << endl;
cout << "Author - " << authorName << endl;
 cout << "Status - " << (isIssued ? "Issued" : "Not Issued") << endl;
if (isIssued) {
cout << "Issued To - " << issuedTo << endl;
}
}

int main() {
cout<<"Enter maximum number of books possible\n";
int n;
cin>>n;
Book books[n];
int c = 0;
int ch;
cout << "1. Add Book\n";
cout << "2. Issue Book\n";
cout << "3. Return Book\n";
cout << "4. Display Book Details\n";
cout << "5. Exit\n";
do {
cout << "Enter your choice: ";
cin >> ch;
switch (ch) {
case 1:
if (c < n) {
books[c].addBook();
c++;
} else {
cout << "Maximum book limit reached." << endl;
}
break;

case 2: {
int id;
string name;
cout << "Enter Book ID to issue: ";
cin >> id;
cout << "Enter person's name: ";
cin >> name;
bool f = false;
for (int i = 0; i < c; i++) {
if (id == books[i].getBookID()) {
books[i].issueBook(name);
f = true;
break;
}
}
if (!f)
cout << "Book not found." << endl;
break;
}

case 3: {
int id;
cout << "Enter Book ID to return: ";
cin >> id;
bool f = false;
for (int i = 0; i < c; i++) {
if (id == books[i].getBookID()) {
books[i].returnBook();
f = true;
break;
}
}
if (!f) {
 cout << "Book not found." << endl;
}
break;
}

case 4: {
int id;
bool f = false;
for (int i = 0; i < c; i++) {
books[i].displayDetails();
}
break;
}

case 5:
cout << "Exiting" << endl;
break;

default:
cout << "Invalid choice" << endl;
}
} while (ch != 5);

return 0;
}

OUTPUT
 LAB EXERCISE 3
#include <iostream>
using namespace std;
class student {
public:
string name;
string roll;
float marks;
static int studentCount;
void setStudentDetails(string name, string rollno, float marks) {
this->name=name;
this->roll=rollno;
this->marks=marks;
student::studentCount++;
}
void display () {
cout<<"Name: "<<name<<endl;
cout<<"Roll No: "<<roll<<endl;
cout<<"Marks: "<<marks<<endl;
}
static void showStudentCount() {
cout<<"Total Students: "<<student::studentCount<<endl;
}
void compare(student s) {
cout<<"Marks compared to other student"<<endl;
if (this->marks>s.marks) {
cout<<"This student has higher marks by "<<this->marks-
s.marks<<endl;
}
else if (s.marks>this->marks) {
cout<<"Other student has higher marks by "<<s.marks-this-
>marks<<endl;
}
else {
cout<<"Both students have same marks"<<endl;
}
}
};
int student::studentCount=0;
int main() {
cout<<"Enter number of students\n";
int n;
cin>>n;
student arr[n];
string name, roll;
float marks;
for (int i=0;i<n;i++) {
cout<<"Enter name, roll no and marks of student "<<i+1<<endl;
cin>>name>>roll>>marks;
arr[i].setStudentDetails(name, roll, marks);
}
cout<<"Enter your Roll no. to display details\n";
string rolln1;
cin>>rolln1;
int j;
int c=0;
for (int i=0;i<n;i++) {
if (arr[i].roll==rolln1) {
arr[i].display();
j=i;
c++;
}
}
if (c==0)
 cout<<"Student not found\n";
cout<<"Enter Roll no. of other student to compare marks\n";
string rolln2;
cin>>rolln2;
int k;
c=0;
for (int i=0;i<n;i++) {
if (arr[i].roll==rolln2) {
k=i;
c++;
}
}
if (c==0)
cout<<"Student not found\n";
arr[j].compare(arr[k]);
student::showStudentCount();

OUTPUT
 LAB EXERCISE 4
#include <iostream>
using namespace std;
class Student {
public:
int rollNumber;
string name;
int marks[3];
int totalMarks;
float averageMarks;
static int CountGrade[4];
static int objectNumber;
Student(){};
Student(int rnum, string n, int a, int b, int c) {
rollNumber=rnum;
name=n;
marks[0]=a;
marks[1]=b;
marks[2]=c;
totalMarks=a+b+c;
averageMarks=totalMarks/3;
}
char getGrade() {
if (averageMarks>=90) {
CountGrade[0]++;
return 'A';
}
else if (averageMarks>=75) {
CountGrade[1]++;
return 'B';
}
else if (averageMarks>=50) {
CountGrade[2]++;
return 'C';
}
else {
CountGrade[3]++;
return 'F';
}
}
void Display() {
cout<<"Roll Number : "<<rollNumber<<endl;
cout<<"Name : "<<name<<endl;
cout<<"Total Marks : "<<totalMarks<<endl;
cout<<"Average Marks : "<<averageMarks<<endl;
}
static void getStudentCount() {
char ch='A';
for (int i=0;i<3;i++)
cout<<"Number of students with grade "<<(ch++)<<" :
"<<CountGrade[i]<<endl;
cout<<"Number of students with grade "<<'F'<<" :
"<<CountGrade[3]<<endl;
}
~Student(){
objectNumber++;
}
};
int Student::CountGrade[]={0,0,0,0};
int Student::objectNumber=0;
int main() {
cout<<"Enter maximum number of students:";
 int n;
cin>>n;
Student array[n];
int rolln;
string name;
int marks[3];
for (int i=0;i<n;i++) {
cout<<"Enter your Roll Number: ";
cin>>rolln;
cout<<"Enter your Name: ";
cin>>name;
cout<<"Enter your marks in each subject: ";
for (int j=0;j<3;j++)
cin>>marks[j];
Student s(rolln, name, marks[0], marks[1], marks[2]);
array[i]=s;
array[i].getGrade();
}
cout<<"Details of all students\n";
for (int i=0;i<n;i++) {
array[i].Display();
}
cout<<"Number of students of each grade\n";
array[0].getStudentCount();
}

OUTPUT
 LAB EXERCISE 5
#include<iostream>
using namespace std;
class Student{
public:
string name;
int age;
float marks[3];
Student(){
name="unknown";
age=0;
marks[0]=marks[1]=marks[2]=0.0;
}
Student(string n, int a, float m[]){
name=n;
age=a;
marks[0]=m[0];
marks[1]=m[1];
marks[2]=m[2];
}
Student(Student &s){
name=s.name;
age=s.age;
marks[0]=s.marks[0];
marks[1]=s.marks[1];
marks[2]=s.marks[2];
}
void display(){
cout<<"Name: "<<name<<endl;
cout<<"Age: "<<age<<endl;
cout<<"Marks: "<<marks[0]<<" "<<marks[1]<<" "<<marks[2]<<"
"<<endl;
}
~Student(){
cout<<"Data destructed"<<endl;
}
};

int main(){
cout<<"Enter number of students"<<endl;
int n=3;
Student s[n];
float m1[3]={60.0, 70.0, 80.0};
s[0]={"Aniket",18,m1};
float m2[3]={55.0,60.0,65.0};
s[1]={"Sanchit",19,m2};
float m3[3]={85.0,90.0,95.0};
s[2]={"Shreyash",19,m3};
cout<<"Default contructor\n";
for(int i=0;i<n;i++) {
s[i].display();
}
 Student s1("Aniket",18,m1);
Student s2("Sanchit",19,m2);
Student s3("Shreyash",19,m3);
cout<<"Parameterized contructor\n";
s1.display();
s2.display();
s3.display();
Student s4(s1);
cout<<"Copy Contructor\n";
s4.display();

} OUTPUT
 LAB EXERCISE 6
# #include
<iostream>
using namespace
std;
class Complex {
int real;
int imag;
int im;
public :
Complex(int r, int
i) {
real=r;
imag=i;
}
Complex operator
+ (Complex &c) {
int
r=real+c.real;
int
i=imag+c.imag;
return
Complex(r, i);
}
Complex operator
- (Complex &c) {
int r=real-
c.real;
int i=imag-
c.imag;
return
Complex(r, i);
}
Complex operator
* (Complex &c) {
int
r=(real*c.real) -
(imag*c.imag);
int
i=(real*c.imag) +
(imag*c.real);
return
Complex(r, i);
}
Complex operator
% (Complex &c) {
int r=real
%c.real;
int i=imag
%c.imag;
return
Complex(r, i);
 }
bool operator ==
(Complex &c) {
if(real==c.real
&& imag==c.imag)
return true;
else
return false;
}
void display () {
cout<<"Real
part =
"<<real<<endl;

cout<<"Imaginary
part =
"<<imag<<endl;
}
};
int main() {
cout<<"Enter
real and imaginary
part of first complex
number: \n";
int r1, i1;
cin>>r1>>i1;
cout<<"Enter
real and imaginary
part of second
complex number: \
n";
int r2, i2;
cin>>r2>>i2;
Complex c1(r1,
i1);
Complex c2(r2,
i2);
Complex
c3=c1+c2;
Complex c4=c1-
c2;
Complex
c5=c1*c2;
Complex
c6=c1%c2;
cout<<"Addition
of two complex
numbers: "<<endl;
c3.display();

cout<<"Subtraction
of two complex
numbers: "<<endl;
c4.display();
cout<<"Multiplicati
on of two complex
numbers: "<<endl;
c5.display();

cout<<"Remainder
of two complex
numbers: "<<endl;
c6.display();
if (c1==c2)
cout<<"Both
complex numbers
are equal"<<endl;
else
cout<<"Both
complex numbers
are not
equal"<<endl;
}

OUTPUT
 LAB EXERCISE 7
#include
<iostream> using
namespace std;

class
person{ pr
otected:
string
name; int
userid;
public:
void display(){
cout << "Name - " << name << endl;
cout << "UserID - " << userid << endl << endl;
}
};
class student: public
person{ string
bookborrowed;
int
daysborrowed;
public:
student(){}
student(string n, int id, string bookbrw,
int days){ name = n;
userid = id;
bookborrowed =
bookbrw;
daysborrowed =
days;
}
void return_book(){
cout << "Book " << bookborrowed << " is submitted\n";
if(daysborrowed <= 7) cout << "Fine = " << 0 <<
endl << endl; else{
cout << "Fine = " << (daysborrowed - 7) * 2 << endl << endl;
}
name =
"";
userid =
0;
bookborrowed = "";
daysborrowed = 0;
}
};

int main(){
cout << "ANIKET KATIYAR\n24U024013\n\n";
string
name; int
id;
string
book; int
days;
cout << "Enter
Name - "; cin >>
name;
cout << "Enter User-
ID - "; cin >> id;
cout << "Enter Book
name - "; cin >> book;
cout << "Enter
days - "; cin >>
days;
cout << endl;
student A(name, id, book, days);
cout << "DATA BEFORE RETURNING THE BOOK - \n";
A.display();
 cout << "RETURNING THE BOOK - \n";
A.return_book();
cout << "DATA AFTER RETURNING THE BOOK - \n";
A.display();
}

OUTPUT
 LAB EXERCISE 8
#include
<iostream> using
namespace std;

class complex;
class
operations{
public:
friend complex add(const complex s,const
complex s); friend complex subtract(const
complex s,const complex s); friend complex
multiply(const complex s, const complex s);
};
class
complex{ in
t a, b;
public:
complex(
){}
complex(int r,int i){
a = r;
b = i;
}
void show(){
cout << a << " + " << b << "i" << endl;
}

friend complex add(const complex s,const

complex s); friend complex subtract(const
complex s,const complex s); friend complex
multiply(const complex s,const complex s);
};
complex add(const complexs c1, const
complexs c2) { return complex(c1.a + c2.a,
c1.b + c2.b);
}
complex subtract(const complexs c1, const
complexs c2) { return complex(c1.a - c2.a, c1.b -
c2.b);
}
complex multiply(const complexs c1, const
complexs c2) { float realPart = c1.a * c2.a - c1.b
* c2.b;
float imgPart = c1.a * c2.b + c1.b
* c2.a; return complex(realPart,
imgPart);
}
int main() {
cout << "ANIKET KATIYAR\n24U024013\n\n";
int a,b;
cout << "Enter first complex number -";
cin >> a >> b; // Input for first complex
number complex c1(a,b); // First
complex number
int c,d;
cout << "Enter first complex number -";
cin >> c >> d; // Input for second
complex number complex c2(c,d); //
Second complex number
cout << endl;
cout << "First complex number - " ;
c1.show(); // Display first complex
number cout << "Second complex
number - ";
c2.show(); // Display second complex number
 cout << endl;
cout << "Operations - "
<< endl; complex sum =
add(c1,c2); complex diff
= subtract(c1,c2);
complex prod =
multiply(c1,c2); cout <<
"Sum - ";
sum.show(); // Display sum of complex
numbers cout << "Difference - ";
diff.show(); // Display difference of complex
numbers cout << "Product - ";
prod.show(); // Display product of complex
numbers cout << endl;
return 0;
}

OUTPUT
 LAB EXERCISE 9A
#include
<iostream> using
namespace std;

class
A{ p
ublic:
void display(){
cout << "Hello!, from A" << endl;
}
};
class B: virtual public
A{ protected: int
val;
};
class C: virtual public
A{ protected: int
val;
};
class D: virtual public B,virtual
public C{ public:
void intialize(int
value){ B::val =
value;
C::val = value+10;
}
void displayval(){
cout << "Value of B - " <<
B::val << endl; cout << "Value
of C - " << C::val << endl;
}
};
int main() {
cout << "ANIKET KATIYAR\n24U024013\n\n";
D obj;
obj.intialize(10);
obj.display();
obj.displayval()
; return 0;
}

OUTPUT
 LAB EXERCISE 9B

#include<bits/stdc++.h>
using namespace std;
class person
{
protected:
string name;
int age;
public:
person(string n,int a)
{
name=n;
age=a;
}
void display()
{
cout<<"NAME :"<<name<<endl;
cout<<"AGE :"<<age<<endl;
}
};
class student:virtual public person{
protected:
string rollno;
string course;
public:
student(string n,int a,string r,string c):person(n,a){
rollno=r;
course=c;
}
void display()
{
cout<<"ROLL NO. :"<<rollno<<endl;
cout<<"COURSE:"<<course<<endl;
}
};
class employee:virtual public person{
protected:
string empid;
double dept;
public:
employee(string n,int a,string emp,double dep):person(n,a){
empid=emp;
dept=dep;
}
void display()
{
cout<<"EMPLOYEE ID :"<<empid<<endl;
cout<<"DEPT :"<<dept<<endl;
 }
};
class intern:public student,public employee{
public:
intern(string n,int a,string r,string c,string emp,double
dep):person(n,a),student(n,a,r,c),employee(n,a,emp,dep)
{

}
void display()
{
person::display();
student::display();
employee::display();
}
};
int main()
{
intern i("ANIKET",19,"24U024013","CSE(DATA
SCIENCE)","EMP16",20000.0);
i.display();

OUTPUT
 LAB EXERCISE 10

#include <iostream>
#include <cmath>
#include <vector>
#include <algorithm>
using namespace std;
class shape {
public:
virtual double area() = 0;
virtual double perimeter() = 0;
virtual void display() = 0;
};
class circle : public shape {
double r;
public :
circle(double ra) {
r=ra;
}
double area () {
return M_PI*r*r;
}
double perimeter () {
return 2*M_PI*r;
}
void display() {
cout<<"Circle Area = "<<area()<<endl;;
cout<<"Circle Perimeter = "<<perimeter()<<endl;
}
};
class rectangle : public shape {
double l,w;
public :
rectangle(double le, double wi) {
l=le;
w=wi;
}
double area () {
return l*w;
}
double perimeter () {
return 2*(l+w);
}
void display() {
cout<<"Rectangle Area = "<<area()<<endl;;
cout<<"Rectangle Perimeter = "<<perimeter()<<endl;
}
};
class triangle : public shape {
double a,b,c;
public :
triangle(double x, double y, double z) {
a=x;
b=y;
 c=z;
}
double area () {
double s=(a+b+c)/2;
return sqrt(s*(s-a)*(s-b)*(s-c));
}
double perimeter () {
return a+b+c;
}
void display() {
cout<<"Triangle Area = "<<area()<<endl;;
cout<<"Triangle Perimeter = "<<perimeter()<<endl;
}
};
int main() {
vector<shape*> s;
cout<<"Enter radius of the circle"<<endl;
int r;
cin>>r;
s.push_back(new circle(r));
cout<<"Enter length and width of the rectangle"<<endl;
int l,w;
cin>>l>>w;
s.push_back(new rectangle(l,w));
cout<<"Enter length of sides of the triangle"<<endl;
int a,b,c;
cin>>a>>b>>c;
s.push_back(new triangle(a,b,c));
sort(s.begin(), s.end(), [](shape* a, shape* b){
return a->area() > b->area();
});
for (auto s : s) s->display();
}

OUTPUT