Assignments (1,2,3)

Mehdi/Assignments 1/CH2/CH2-19.cpp

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+#include <iostream>
+#include <math.h>
+#include <fstream>
+
+using namespace std;
+
+int i1, i2, i3;
+
+int max(int num1, int num2, int num3) // finding the maximum of three numbers.
+{
+    int result = num1;
+    if (num2 > num1)
+        result = num2;
+    if (num3 > result)
+        result = num3;
+   return result; 
+}
+int min(int num1, int num2, int num3) // finding the minimum of three numbers.
+{
+   // local variable declaration
+    int result = num1;
+
+    if (num2 < num1)
+        result = num2;
+    if (num3 < result)
+        result = num3;
+   return result; 
+}
+
+
+
+int main()
+{
+cout << "Please Enter First Integer:" <<endl;
+cin >> i1;
+cout << "Please Enter Second Integer:" <<endl;
+cin >> i2;
+cout << "Please Enter Third Integer:" <<endl;
+cin >> i3;
+
+
+cout << "Sum is "<< i1+i2+i3 <<endl;
+cout << "Average is "<< (i1+i2+i3)/3.0 <<endl;
+cout << "Product is "<< i1*i2*i3 <<endl;
+cout << "Smallest is "<< min(i1,i2,i3) <<endl;
+cout << "Largest is "<< max(i1,i2,i3) <<endl;
+
+
+}

Mehdi/Assignments 1/CH2/CH2-24.cpp

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+#include <iostream>
+#include <math.h>
+#include <fstream>
+
+using namespace std;
+
+int num1;
+
+
+string odd_even(int num1) // Recognize the odd or even numbers
+{
+    string odd = {"The number is odd."};
+    string even = {"The number is even."};
+
+    if (num1%2==0)
+    return even;
+    else
+    return odd;
+}
+
+
+
+int main()
+{
+    cout << "Please enter an integer" << endl;
+    cin >> num1;
+    cout << odd_even(num1) << endl;
+
+}

Mehdi/Assignments 1/CH2/CH2-25.cpp

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+#include <iostream>
+#include <math.h>
+#include <fstream>
+
+using namespace std;
+
+int num1, num2;
+
+
+string multiple(int num1, int num2) {
+    string multiple = {"The first number is a multiple of the second number."};
+    string not_multiple = {"The first number is not a multiple of the second number."};
+
+    if (num1%num2==0)
+    return multiple;
+    else
+    return not_multiple;
+}
+
+int main()
+{
+    cout << "Please enter the first number" << endl;
+    cin >> num1;
+    cout << "Please enter the second number" << endl;
+    cin >> num2;
+    cout << multiple(num1, num2) << endl;
+}

Mehdi/Assignments 1/CH2/CH2-28.cpp

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+#include <iostream>
+#include <math.h>
+#include <fstream>
+
+using namespace std;
+
+int num;
+
+
+int main()
+{
+    cout << "Enter a five-digit number: ";
+    cin >> num;
+
+	// split digits
+    cout << num / 10000 << "   ";
+    num = num % 10000;
+    cout << num / 1000 << "   ";
+    num = num % 1000;
+    cout << num / 100 << "   ";
+    num = num % 100;
+    cout << num / 10 << "   ";
+    num = num % 10;
+    cout << num << endl;
+
+}

Mehdi/Assignments 1/CH3/Account.h

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+#pragma once
+
+#include <string> 
+using namespace std;
+
+class Account
+{
+public:
+	Account(int); 
+	void credit(int);
+	void debit(int);
+	int getBalance();
+private:
+	int account_balance; 
+	}; 

Mehdi/Assignments 1/CH3/CH3-11-main.cpp

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+#include <iostream>
+#include "GradeBook.h" // include definition of class GradeBook
+using namespace std;
+
+// function main begins program execution
+int main()
+{
+	// create two GradeBook objects
+	GradeBook gradeBook1("CS101 Introduction to C++ Programming", "John");
+	GradeBook gradeBook2("CS102 Data Structures in C++", "John");
+
+		// display initial value of courseName for each GradeBook
+gradeBook1.displayMessage();
+
+cout << "\ngradeBook1 created for course: " << gradeBook1.getCourseName() << "  Instructor: " << gradeBook1.getInstructorName()
+		<< "\ngradeBook2 created for course: " << gradeBook2.getCourseName() << "  Instructor: " << gradeBook1.getInstructorName()
+		<< endl;
+	} // end main

Mehdi/Assignments 1/CH3/CH3-11.cpp

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+
+
+#include <iostream>
+#include "GradeBook.h"
+using namespace std;
+
+
+GradeBook::GradeBook(string name, string instrctor)
+{
+	setCourseName(name); 
+	setInstructorName(instrctor); 
+} 
+
+void GradeBook::setCourseName(string name)
+ {
+	 courseName = name;
+	 } 
+
+
+void GradeBook::setInstructorName(string instructor)
+{
+	instructorName = instructor; 
+} 
+
+
+string GradeBook::getCourseName()
+{
+	 return courseName; 
+	 } 
+
+
+string GradeBook::getInstructorName()
+{
+	return instructorName; 
+} 
+
+
+void GradeBook::displayMessage()
+ {
+
+		 cout << "Welcome to the grade book for\n" << getCourseName()
+			 << "\nThis course is presented by: "<< getInstructorName()
+		 << "!" << endl;
+	 } 

Mehdi/Assignments 1/CH3/CH3-12-main.cpp

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+
+#include <iostream>
+#include "Account.h" 
+using namespace std;
+
+// function main begins program execution
+int main()
+{
+
+	Account customer1(20);
+	Account customer2(30);
+
+
+
+
+	cout << "\nAn account  created for customer1. Its balace is : $" << customer1.getBalance();
+	customer1.debit(10);
+	cout <<"\nWithdraw $10. Balance : $" << customer1.getBalance();
+	customer1.credit(33);
+	cout << "\nDeposit $33. Balance : $" << customer1.getBalance();
+	cout << "\nWithdraw $90. Balance : ";
+	customer1.debit(90);
+
+	cout << "\nAn account  created for customer2. Its balace is : $" << customer2.getBalance();
+	customer2.debit(10);
+	cout << "\nWithdraw $10. Balance : $" << customer2.getBalance();
+	customer2.credit(33);
+	cout << "\nDeposit $33. Balance : $" << customer2.getBalance();
+	cout << "\nWithdraw $90. Balance : ";
+	customer2.debit(90);
+
+	} // end main

Mehdi/Assignments 1/CH3/CH3-12.cpp

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+#include <iostream>
+#include "Account.h" // include definition of class Account
+using namespace std;
+
+
+Account::Account(int balance)
+{
+	if (balance > 0)
+		account_balance = balance;
+	else {
+		cout << "\nInitial balance was invalid\n";
+		account_balance = 0;
+	}	
+
+} 
+
+
+void Account::credit(int credit)
+ {
+	account_balance += credit;
+	 } 
+
+
+void Account::debit(int withdraw)
+{
+	if (withdraw < account_balance)
+		account_balance -= withdraw; 
+	else
+		cout << "\nDebit amount exceeded account balance.\n";
+} 
+
+
+int Account::getBalance()
+{
+	 return account_balance; 
+	 } 

Mehdi/Assignments 1/CH3/CH3-13-main.cpp

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+
+#include <iostream>
+#include "Invoice.h" 
+using namespace std;
+
+
+int main()
+{
+
+	Invoice product1("MC302", "Laptop", 3, 1050);
+	Invoice product2("MMX83", "Iphone", 1, 520);
+
+
+
+
+	cout << "\nInformation of Product 1:";
+	cout << "\nPart number: " << product1.get_part_number(); 
+	cout << "\nPart description: " << product1.get_part_description();
+	cout << "\nQuantity: " << product1.get_quantity();
+	cout << "\nPrice: " << product1.get_price();
+	cout << "\nInvoice: " << product1.get_invoice();
+
+	product1.set_part_number("MC702");
+	product1.set_part_description("PC");
+	product1.set_quantity(6);
+	product1.set_price(1220);
+
+	cout << "\n\nInformation of Product 1 Updated:";
+	cout << "\nPart number: " << product1.get_part_number(); 
+	cout << "\nPart description: " << product1.get_part_description();
+	cout << "\nQuantity: " << product1.get_quantity();
+	cout << "\nPrice: " << product1.get_price();
+	cout << "\nInvoice: " << product1.get_invoice();
+
+
+	cout << "\n\nInformation of Product 2:";
+	cout << "\nPart number: " << product2.get_part_number();
+	cout << "\nPart description: " << product2.get_part_description();
+	cout << "\nQuantity: " << product2.get_quantity();
+	cout << "\nPrice: " << product2.get_price();
+	cout << "\nInvoice: " << product2.get_invoice();
+
+	product2.set_part_number("MXX708");
+	product2.set_part_description("iPhone");
+	product2.set_quantity(7);
+	product2.set_price(880);
+
+
+	cout << "\n\nInformation of Product 2 Updated:";
+	cout << "\nPart number: " << product2.get_part_number();
+	cout << "\nPart description: " << product2.get_part_description();
+	cout << "\nQuantity: " << product2.get_quantity();
+	cout << "\nPrice: " << product2.get_price();
+	cout << "\nInvoice: " << product2.get_invoice() << endl << endl;
+
+	} // end main