Mod 2

Author: Tamoziit

pyqs/mod2-1.cpp

@@ -0,0 +1,13 @@
+#include<iostream>
+using namespace std;
+
+int x = 40;
+
+int& setx() { return x; }
+
+int main() {
+ //setx();
+ setx() = 22;
+ cout << "x=" << x << endl;
+ return 0;
+}

pyqs/mod2-10b.cpp

@@ -0,0 +1,46 @@
+#include <iostream>
+using namespace std;
+
+class Complex
+{
+public:
+ int real, img;
+
+ void getData()
+ {
+ cout << "Enter No." << endl;
+ cin >> real;
+ cin >> img;
+ }
+
+ void showData()
+ {
+ cout << "(" << real << ") + (" << img << ")i" << endl;
+ }
+
+ Complex addComplex(Complex ob)
+ {
+ Complex temp;
+ temp.real = this->real + ob.real;
+ temp.img = this->img + ob.img;
+
+ return temp;
+ }
+};
+
+int main()
+{
+ Complex num1;
+ Complex num2;
+
+ num1.getData();
+ num2.getData();
+ num1.showData();
+ num2.showData();
+
+ Complex res;
+ res = num1.addComplex(num2);
+ res.showData();
+
+ return 0;
+}

pyqs/mod2-11a.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+#include <cstring>
+using namespace std;
+
+int main()
+{
+ char s1[6] = "Hello";
+ char s2[6] = "World";
+ char s3[12]; // Enough space for "Hello World" + '\0'
+
+ strcpy(s3, s1); // Copy "Hello" into s3
+ strcat(s3, " "); // Concatenate space
+ strcat(s3, s2); // Concatenate "World"
+
+ cout << s3 << endl; // Output: Hello World
+ return 0;
+}

pyqs/mod2-11c.cpp

@@ -0,0 +1,51 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+class ECE_faculty;
+class CSE_faculty
+{
+private:
+ int highest_degree;
+
+public:
+ string name;
+
+ CSE_faculty(int m, string n) : highest_degree(m), name(n) {}
+
+ friend void compare(const CSE_faculty &, const ECE_faculty &);
+};
+
+class ECE_faculty
+{
+private:
+ int highest_degree;
+
+public:
+ string name;
+
+ ECE_faculty(int m, string n) : highest_degree(m), name(n) {}
+
+ friend void compare(const CSE_faculty &, const ECE_faculty &);
+};
+
+void compare(const CSE_faculty &cse, const ECE_faculty &ece)
+{
+ cout << "Comparing faculty degrees..." << endl;
+ if (cse.highest_degree > ece.highest_degree)
+ cout << cse.name << " (CSE) has a higher degree." << endl;
+ else if (cse.highest_degree < ece.highest_degree)
+ cout << ece.name << " (ECE) has a higher degree." << endl;
+ else
+ cout << "Both have the same highest degree." << endl;
+}
+
+int main()
+{
+ CSE_faculty f1(4, "Dr. Sharma");
+ ECE_faculty f2(4, "Dr. Rao");
+
+ compare(f1, f2);
+
+ return 0;
+}

pyqs/mod2-13c.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+using namespace std;
+class A
+{
+ int a;
+
+public:
+ A()
+ {
+ cout << "Default constructor called\n";
+ }
+ A(const A &a)
+ {
+ cout << "Copy Constructor called\n";
+ }
+};
+
+int main()
+{
+ A obj;
+ A a1 = obj;
+ A a2(obj);
+ return 0;
+}

pyqs/mod2-2b.cpp

@@ -0,0 +1,44 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+class Demo
+{
+public:
+ string name;
+
+ // Constructor
+ Demo(string n) : name(n)
+ {
+ cout << "Constructing " << name << endl;
+ }
+
+ // Destructor
+ ~Demo()
+ {
+ cout << "Destructing " << name << endl;
+ }
+};
+
+Demo globalObj("Global Object"); // global object
+
+void f()
+{
+ Demo funcObj("Object in f()"); // function object
+}
+
+int main()
+{
+ cout << "Inside main" << endl;
+
+ static Demo staticObj("Static Object"); // static object
+ Demo("Nameless Object"); // nameless object
+ Demo localMainObj("Local Main Object"); // local object
+ {
+ Demo blockObj("Block Object"); // block object
+ }
+ f();
+
+ cout << "Exiting main" << endl;
+ return 0;
+}

pyqs/mod2-4b.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+using namespace std;
+
+class Solution
+{
+public:
+ double n;
+ int p;
+
+ Solution(double x, int y) : n(x), p(y) {}
+
+ double power(int p = 2)
+ {
+ if (p == 0)
+ return 1;
+ else
+ return n * power(p - 1);
+ }
+};
+
+int main()
+{
+ double n;
+ int p;
+
+ cout << "Enter Number = ";
+ cin >> n;
+ cout << "Enter exponent = ";
+ cin >> p;
+ Solution obj(n, p);
+ cout << "Result = " << obj.power(p) << endl;
+ cout << "Default Result = " << obj.power() << endl;
+ return 0;
+}

pyqs/mod2-4c.cpp

@@ -0,0 +1,70 @@
+#include <iostream>
+using namespace std;
+
+class TIME
+{
+public:
+ int hour, minute, second;
+
+ TIME(int h, int m, int s)
+ {
+ hour = h;
+ minute = m;
+ second = s;
+ }
+
+ void display()
+ {
+ cout << hour << ":" << minute << ":" << second << endl;
+ }
+
+ TIME add(TIME ob)
+ {
+ TIME temp(0, 0, 0);
+
+ temp.second = this->second + ob.second;
+ temp.minute = this->minute + ob.minute;
+ temp.hour = this->hour + ob.hour;
+
+ if (temp.second >= 60)
+ {
+ temp.second -= 60;
+ temp.minute += 1;
+ }
+
+ if (temp.minute >= 60)
+ {
+ temp.minute -= 60;
+ temp.hour += 1;
+ }
+
+ return temp;
+ }
+};
+
+int main()
+{
+ int h1, h2;
+ int m1, m2;
+ int s1, s2;
+
+ cout << "Enter time 1" << endl;
+ cin >> h1;
+ cin >> m1;
+ cin >> s1;
+ cout << "Enter time 2" << endl;
+ cin >> h2;
+ cin >> m2;
+ cin >> s2;
+
+ TIME t1(h1, m1, s1);
+ TIME t2(h2, m2, s2);
+ t1.display();
+ t2.display();
+
+ TIME res(0, 0, 0);
+ res = t1.add(t2);
+ cout << "Result:" << endl;
+ res.display();
+ return 0;
+}

pyqs/mod2-5a.cpp

@@ -0,0 +1,68 @@
+#include <iostream>
+using namespace std;
+
+class Employee
+{
+public:
+ int employee_id;
+ string name;
+ float salary;
+
+ Employee(int id, string n, float s) : employee_id(id), name(n), salary(s) {}
+
+ void show()
+ {
+ cout << "Employee Id: " << employee_id << endl;
+ cout << "Name: " << name << endl;
+ cout << "Salary: " << salary << endl;
+ }
+};
+
+class Manager
+{
+public:
+ int manager_id;
+ string name;
+ float salary;
+
+ Manager(int id, string n, float s) : manager_id(id), name(n), salary(s) {}
+
+ void show()
+ {
+ cout << "Manager Id: " << manager_id << endl;
+ cout << "Name: " << name << endl;
+ cout << "Salary: " << salary << endl;
+ }
+
+ void promote(Employee &emp, float inc)
+ {
+ emp.salary += inc;
+ cout << "Promoted " << emp.name << " Salary to = " << emp.salary << endl;
+ }
+};
+
+int main() {
+ Employee e1(101, "Alice", 40000);
+ Employee e2(102, "Bob", 45000);
+ Employee e3(103, "Charlie", 42000);
+
+ Manager m1(201, "Diana", 80000);
+
+ cout << "Initial Employee Details:\n";
+ e1.show();
+ e2.show();
+ e3.show();
+
+ cout << "Manager Details:\n";
+ m1.show();
+
+ // Promoting some employees
+ m1.promote(e1, 10);
+ m1.promote(e3, 15);
+
+ cout << "Updated Employee Details After Promotion:\n";
+ e1.show();
+ e3.show();
+
+ return 0;
+}