Assignment 1 (Suriya Narayanan)

Suriya/Assignment1/Account.cpp

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+//Exercise 3.12 - Class Source File
+//ex3_12-Account.cpp
+
+#include <iostream>
+#include "Account.h"
+using namespace std;
+
+Account::Account(int number) {
+    setBalance(number);
+}
+
+void Account::setBalance(int number) {
+    if (number>=0)
+        balance = number;
+    if (number<0) {
+        balance = 0;
+        cout << "Error: Invalid value. Balance set to 0." << endl;
+    }
+}
+
+int Account::getBalance() {
+    return balance;
+}
+
+void Account::credit(int cred) {
+    setBalance(getBalance()+cred);
+}
+
+void Account::debit(int deb) {
+    if (deb<=getBalance())
+        setBalance(getBalance()-deb);
+    if (deb>getBalance())
+        cout<<"Debit amount exceeded account balance."<<endl;
+}

Suriya/Assignment1/Account.h

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+//Exercise 3.12 - Header File
+//ex3_12-Account.h
+
+class Account{
+    public:
+        Account(int);
+        void setBalance(int);
+        int getBalance();
+        void credit(int);
+        void debit(int);
+
+    private:
+        int balance;
+};

Suriya/Assignment1/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.23)
+project(Assignment1)
+
+set(CMAKE_CXX_STANDARD 14)
+
+add_executable(ex2_19 ex2_19_main.cpp)
+add_executable(ex2_24 ex2_24_main.cpp)
+add_executable(ex2_25 ex2_25_main.cpp)
+add_executable(ex2_28 ex2_28_main.cpp)
+add_executable(ex3_11 ex3_11_main_GradeBook.cpp GradeBook.cpp GradeBook.h)
+add_executable(ex3_12 ex3_12_main_Account.cpp Account.cpp Account.h)
+add_executable(ex3_13 ex3_13_main_Invoice.cpp Invoice.cpp Invoice.h)
+add_executable(ex3_14 ex3_14_main_Employee.cpp Employee.cpp Employee.h)
+add_executable(ex3_15 ex3_15_main_Date.cpp Date.cpp Date.h)
+add_executable(ex4_13 ex4_13_main.cpp)
+add_executable(ex4_26 ex4_26_main.cpp)
+add_executable(ex4_27 ex4_27_main.cpp)
+add_executable(ex4_34 ex4_34_main.cpp)
+add_executable(ex4_35d ex4_35_decrypt_main.cpp)
+add_executable(ex4_35e ex4_35_encrypt_main.cpp)
+
+

Suriya/Assignment1/Date.cpp

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+//Exercise 3.15 - Class Source File
+//ex3_15-Date.cpp
+
+#include <iostream>
+#include "Date.h"
+using namespace std;
+
+Date::Date(int month1, int day1, int year1) {
+    setDay(day1);
+    setMonth(month1);
+    setYear(year1);
+}
+
+void Date::setDay(int day1) {
+    day = day1;
+}
+
+void Date::setMonth(int month1) {
+    if (month1<1 || month1>12){
+        month = 1;
+        cout<<"Invalid month input. Month set to January"<<endl;
+    }
+    if (month1>=1 && month1<=12)
+        month = month1;
+}
+
+void Date::setYear(int year1) {
+    year = year1;
+}
+
+void Date::displayDate() {
+    cout<<"Recorded date is: "<<month<<"/"<<day<<"/"<<year<<endl;
+}

Suriya/Assignment1/Date.h

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+//Exercise 3.15 - Header File
+//ex3_15-Date.h
+
+#include <string>
+using namespace std;
+
+class Date{
+    public:
+        Date(int, int, int);
+        void setDay(int);
+        void setMonth(int);
+        void setYear(int);
+        void displayDate();
+
+    private:
+        int day,month,year;
+};

Suriya/Assignment1/Employee.cpp

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+//Exercise 3.14 - Class Source File
+//ex3_14-Employee.cpp
+
+#include<iostream>
+#include<string>
+#include "Employee.h"
+using namespace std;
+
+Employee::Employee(string f_name, string l_name, int pay){
+    setFirstName(f_name);
+    setLastName(l_name);
+    setSalary(pay);
+}
+
+void Employee::setFirstName(string f_name) {
+    fname = f_name;
+}
+
+void Employee::setLastName(string l_name) {
+    lname = l_name;
+}
+
+void Employee::setSalary(int pay) {
+    if (pay>=0)
+        salary = pay;
+    if (pay<0){
+        cout<<"Invalid value. Salary set to 0."<<endl;
+        salary = 0;
+    }
+}
+
+string Employee::getEmployeeName() {
+    return fname+" "+lname;
+}
+
+int Employee::getEmployeeSalary() {
+    return salary;
+}
+
+void Employee::displayAnnualSalary(){
+    cout<<getEmployeeName()<<"'s annual salary is: $ "<<getEmployeeSalary()*12<<endl;
+}
+

Suriya/Assignment1/Employee.h

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+//Exercise 3.14 - Header File
+//ex3_14-Employee.h
+
+#include<string>
+using namespace std;
+
+class Employee{
+    public:
+        Employee(string, string, int);
+        void setFirstName(string);
+        void setLastName(string);
+        void setSalary(int);
+        string getEmployeeName();
+        int getEmployeeSalary();
+        void displayAnnualSalary();
+
+    private:
+        string fname, lname;
+        int salary;
+};

Suriya/Assignment1/GradeBook.cpp

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+//Exercise 3.11 - Class Source File
+//ex3_11-GradeBook.cpp
+
+#include <iostream>
+#include <string>
+#include "GradeBook.h"
+
+using namespace std;
+
+GradeBook::GradeBook( string name, string instr ) {
+    setCourseName( name );
+    setCourseInstr( instr );
+}
+
+void GradeBook::setCourseName( string name ) {
+    courseName = name;
+}
+
+void GradeBook::setCourseInstr( string instr) {
+    courseInstr = instr;
+}
+
+string GradeBook::getCourseName() {
+    return courseName;
+}
+
+string GradeBook::getCourseInstr() {
+    return courseInstr;
+}
+
+void GradeBook::displayMessage() {
+    cout << "Welcome to the grade book for\n" << getCourseName() << "!\n"
+        << "This course is presented by: " << getCourseInstr() << ".\n" <<endl;
+}

Suriya/Assignment1/GradeBook.h

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+//Exercise 3.11 - Header File
+//ex3_11-GradeBook.h
+
+#include <string>
+using namespace std;
+
+class GradeBook
+{
+    public:
+        GradeBook( string, string );
+        void setCourseName( string );
+        void setCourseInstr( string );
+        string getCourseName();
+        string getCourseInstr();
+        void displayMessage();
+
+    private:
+        string courseName,courseInstr;
+};

Suriya/Assignment1/Invoice.cpp

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+//Exercise 3.13 - Class Source File
+//ex3_13-Invoice.cpp
+
+#include <iostream>
+#include <string>
+#include "Invoice.h"
+using namespace std;
+
+Invoice::Invoice(string partnumb, string partdescript, int quan, int price1){
+    setPartNumber(partnumb);
+    setPartDescript(partdescript);
+    setQuant(quan);
+    setPrice(price1);
+}
+
+void Invoice::setPartNumber(string partnumb){
+    partNumber = partnumb;
+}
+
+void Invoice::setPartDescript(string partdescript){
+    partDescript = partdescript;
+}
+
+void Invoice::setQuant(int quan){
+    if (quan>=0)
+        quant = quan;
+    if (quan<0){
+        cout<<"Invalid input value. Quantity set to 0."<<endl;
+        quant = 0;
+    }
+}
+
+void Invoice::setPrice(int price1){
+    if (price1>=0)
+        price = price1;
+    if (price1<0){
+        cout<<"Invalid input value. Price set to 0."<<endl;
+        price = 0;
+    }
+}
+
+string Invoice::getPartNumber() {
+    return partNumber;
+}
+
+string Invoice::getPartDescript() {
+    return partDescript;
+}
+
+int Invoice::getQuant() {
+    return quant;
+}
+
+int Invoice::getPrice() {
+    return price;
+}
+
+int Invoice::getInvoiceAmount() {
+    return getQuant()*getPrice();
+}

Suriya/Assignment1/Invoice.h

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+//Exercise 3.13 - Header File
+//ex3_12-Invoice.h
+
+#include<string>
+using namespace std;
+
+class Invoice{
+    public:
+        Invoice(string,string,int,int);
+        void setPartNumber(string);
+        void setPartDescript(string);
+        void setQuant(int);
+        void setPrice(int);
+        string getPartNumber();
+        string getPartDescript();
+        int getQuant();
+        int getPrice();
+        int getInvoiceAmount();
+
+    private:
+        string partNumber, partDescript;
+        int quant, price;
+
+};

Suriya/Assignment1/ex2_19_main.cpp

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+//Exercise 2.19
+//ex2_19-main.cpp
+
+#include <iostream>
+
+using namespace std;
+
+int main() {
+    int a,b,c;
+    cout << "Input three different integers: ";
+    cin >> a >> b >> c;
+    cout << "Sum is "<< a+b+c <<endl;
+    cout << "Average is "<< (a+b+c)/3 <<endl;
+    cout << "Product is "<< a*b*c <<endl;
+
+    if (a<=b){
+        if (a<=c)
+            cout<<"Smallest is "<<a<<endl;
+        if (a>c)
+            cout<<"Smallest is "<<c<<endl;
+    }
+    if (a>b){
+        if (b<=c)
+            cout<<"Smallest is "<<b<<endl;
+        if (b>c)
+            cout<<"Smallest is "<<c<<endl;
+    }
+
+    if (a>=b){
+        if (a>=c)
+            cout<<"Largest is "<<a<<endl;
+        if (a<c)
+            cout<<"Largest is "<<c<<endl;
+    }
+    if (a<b){
+        if (b>=c)
+            cout<<"Largest is "<<b<<endl;
+        if (b<c)
+            cout<<"Largest is "<<c<<endl;
+    }
+}

Suriya/Assignment1/ex2_24_main.cpp

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+//Exercise 2.24
+//ex2_24-main.cpp
+
+#include <iostream>
+
+using namespace std;
+
+int main() {
+    int a;
+    cout << "Enter an integer: ";
+    cin >> a;
+    if (a%2 == 0)
+        cout << a <<" is even"<<endl;
+    if (a%2 != 0)
+        cout << a <<" is odd"<<endl;
+}