1. Hello World Example 1: #include <bits/stdc++.h> using namespace std; int main() { cout << "Hello, World!" << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { cout << "Welcome to C++ Programming!" << endl; return 0; } Questions:
2. Write a program that prints "Learning C++ is fun!". 2. Write a program that prints your name followed by "starts coding in C++!".
3. Printing Format Example 1: #include <bits/stdc++.h> using namespace std; int main() { cout << "The result of 7 + 8 is: " << 7 + 8 << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { int a = 5, b = 10; cout << "a + b = " << a + b << endl; cout << "a - b = " << a - b << endl; return 0; } Questions:
4. Print the multiplication and division of two numbers, 12 and 4. 2. Print the full name by combining two string variables, firstName and lastName.
5. Comment Example 1: #include <bits/stdc++.h> using namespace std; int main() { // This is a single-line comment cout << "Single-line comments start with //" << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { /* This is a multi-line comment that spans over multiple lines / cout << "Multi-line comments start with / and end with */" << endl; return 0; } Questions:
6. Write a program that adds two numbers and use single-line comments to explain each step.
7. Write a program that calculates the area of a rectangle and use multi-line comments to describe the formula.
8. Variables (int, str, boolean, etc.) Example 1: #include <bits/stdc++.h> using namespace std; int main() { int number = 10; string name = "Alice"; bool isCoding = true; cout << "Number: " << number << ", Name: " << name << ", Is Coding: " << isCoding << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { int age = 25; string city = "New York"; bool hasDriverLicense = false; cout << "Age: " << age << ", City: " << city << ", Has Driver License: " << hasDriverLicense << endl; return 0; } Questions:
9. Create variables for storing a person's height (int), weight (double), and eye color (string), then print them.
10. Declare a boolean variable named isStudent and an integer variable named studentId, then print them.
11. Data Type and Casting Example 1: #include <bits/stdc++.h> using namespace std; int main() { int wholeNumber = 100; double fractionalNumber = 10.5; wholeNumber = (int)fractionalNumber; // Casting double to int cout << "Whole Number: " << wholeNumber << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { double number = 9.7; int integerPart = (int)number; // Casting double to int cout << "Integer Part: " << integerPart << endl; return 0; } Questions:
12. Declare a float variable and cast it to an integer, then print both values.
13. Create a double variable with a fractional part and cast it to an int, displaying the original and casted values.
14. Operator Example 1: #include <bits/stdc++.h> using namespace std; int main() { int a = 10, b = 3; cout << "a + b = " << a + b << endl; cout << "a - b = " << a - b << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { int x = 5, y = 2; cout << "x * y = " << x * y << endl; cout << "x / y = " << x / y << endl; return 0; } Questions:
15. Write a program that calculates and prints the remainder of dividing 15 by 4.
16. Create a program that uses increment and decrement operators on a variable and prints the result each time.
17. String Example 1: #include <bits/stdc++.h> using namespace std; int main() { string firstName = "John"; string lastName = "Doe"; string fullName = firstName + " " + lastName; cout << "Full Name: " << fullName << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { string sentence = "C++ is "; sentence += "awesome!"; cout << sentence << endl; return 0; } Questions:
18. Write a program that takes two strings, city and country, and concatenates them into a single string location.
19. Create a string variable for a book title and another for the author, then combine them and print the result.
20. If Else Condition Example 1: #include <bits/stdc++.h> using namespace std; int main() { int number = 10; if (number > 0) { cout << "Number is positive" << endl; } else { cout << "Number is not positive" << endl; } return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { int age = 18; if (age >= 18) { cout << "You are an adult" << endl; } else { cout << "You are not an adult" << endl; } return 0 ; } Questions:
21. Write a program that checks if a number is even or odd and prints the result.
22. Create a program that compares two numbers and prints which one is bigger or if they are equal.
23. Nested If Else Example 1: #include <bits/stdc++.h> using namespace std; int main() { int age = 20; bool hasLicense = true; if (age >= 18) { if (hasLicense) { cout << "You can drive a car." << endl; } else { cout << "You need a driver's license to drive." << endl; } } else { cout << "You are too young to drive." << endl; } return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { int score = 85; if (score >= 90) { cout << "Grade A" << endl; } else if (score >= 80) { cout << "Grade B" << endl; } else if (score >= 70) { cout << "Grade C" << endl; } else { cout << "Grade F" << endl; } return 0; } Questions:
24. Write a program that checks the age and height of a person to determine if they can ride a roller coaster.
25. Create a program that determines shipping cost based on weight and distance: less than 5 kg, more than 5 kg but less than 20 kg, and more than 20 kg.
26. For Loop Example 1: #include <bits/stdc++.h> using namespace std; int main() { for (int i = 0; i < 5; i++) { cout << "Hello, World! " << i << endl; } return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { for (int i = 10; i > 0; i--) { cout << "Countdown: " << i << endl; } return 0; } Questions:
27. Write a for loop that prints the first 10 multiples of 3. 2. Create a for loop that prints the square of numbers from 1 to 5.
28. While Loop Example 1: #include <bits/stdc++.h> using namespace std; int main() { int i = 0; while (i < 5) { cout << "i = " << i << endl; i++; } return 0; } Example 2:

#include <bits/stdc++.h> 
using namespace std; 
int main() { 
int number = 123, reverse = 0; 
while (number != 0) { 
int digit = number % 10; 
reverse = reverse * 10 + digit; 
number /= 10; 
} 
cout << "Reversed Number: " << reverse << endl; 
return 0; 
} 

Questions:

1. Write a program that calculates the factorial of a number using a while loop.
2. Create a while loop that finds the greatest common divisor (GCD) of two numbers.
3. Break Example 1: #include <bits/stdc++.h> using namespace std; int main() { for (int i = 0; i < 10; i++) { if (i == 5) break; cout << "i = " << i << endl; } return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { int number; while (true) { cout << "Enter a number (0 to exit): "; cin >> number; if (number == 0) break; cout << "You entered: " << number << endl; } return 0; } Questions:
4. Write a program that keeps asking the user for a number until they enter -1, then stops.
5. Create a for loop that prints numbers from 1 to 10, but stops when it reaches 6.
6. Continue Example 1: #include <bits/stdc++.h> using namespace std; int main() { for (int i = 0; i < 10; i++) { if (i % 2 == 0) continue; // Skip even numbers cout << "i = " << i << endl; } return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { int i = 0; while (i < 10) { i++; if (i % 3 == 0) continue; // Skip multiples of 3 cout << "i = " << i << endl; } return 0; } Questions:
7. Write a for loop that prints all numbers from 1 to 10 except 4 and 7.
8. Create a while loop that prints numbers from 1 to 10 but skips numbers divisible by 5.
9. Array Example 1: #include <bits/stdc++.h> using namespace std; int main() { int numbers[5] = {10, 20, 30, 40, 50}; for (int i = 0; i < 5; i++) { cout << "Element at index " << i << ": " << numbers[i] << endl; } return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { char vowels[] = {'A', 'E', 'I', 'O', 'U'}; for (char vowel : vowels) { cout << vowel << ' '; } cout << endl; return 0; } Questions:
10. Create an array of 5 floating point numbers and print them using a loop.
11. Write a program that initializes an array with the first 10 even numbers and prints them.
12. Array Printing and Manipulation Example 1: #include <bits/stdc++.h> using namespace std; int main() { int numbers[5] = {1, 2, 3, 4, 5}; // Printing array for (int number : numbers) { cout << number << ' '; } cout << endl; // Manipulating array for (int i = 0; i < 5; i++) { numbers[i] *= 2; } // Printing modified array for (int number : numbers) { cout << number << ' '; } cout << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { string fruits[3] = {"Apple", "Banana", "Cherry"}; // Printing array for (string fruit : fruits) { cout << fruit << ' '; } cout << endl; // Manipulating array fruits[1] = "Blueberry"; // Printing modified array for (string fruit : fruits) { cout << fruit << ' '; } cout << endl; return 0; } Questions:
13. Create an array of 6 integers, print them, reverse the array, then print it again.
14. Write a program that initializes an array of characters (a string) and changes a specific character, then prints the original and modified string.
15. Structures Example 1: #include <bits/stdc++.h> using namespace std; struct Car { string brand; string model; int year; }; int main() { Car car1 = {"Ford", "Mustang", 1969}; cout << car1.brand << " " << car1.model << " " << car1.year << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; struct Student { string name; int age; double gpa; }; int main() { Student student1 = {"Alice", 20, 3.5}; cout << student1.name << " is " << student1.age << " years old and has a GPA of " << student1.gpa << endl; return 0; } Questions:
16. Define a structure named Rectangle with width and height as its properties and write a program to create an instance of it and print its properties.
17. Create a structure named Point with x and y coordinates and write a function to print points.
18. Pointers Example 1: #include <bits/stdc++.h> using namespace std; int main() { int num = 10; int *ptr = # cout << "Value of num: " << num << endl; cout << "Address of num: " << ptr << endl; cout << "Value at address stored in ptr: " << *ptr << endl; return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int main() { string food = "Pizza"; string *ptr = &food; cout << "Value of food: " << food << endl; cout << "Address of food: " << ptr << endl; cout << "Value at address stored in ptr: " << *ptr << endl; return 0; } Questions:
19. Write a program where you declare an integer, a float, and a char, then print the address of each variable using a pointer. 2. Create a pointer for an array and use it to print all elements of the array.
20. Functions Example 1: #include <bits/stdc++.h> using namespace std; void greet() { cout << "Hello, World!" << endl; } int main() { greet(); return 0; } Example 2: #include <bits/stdc++.h> using namespace std; int sum(int a, int b) { return a + b; } int main() { cout << "Sum of 5 and 3 is " << sum(5, 3) << endl; return 0; } Questions:
21. Write a function named max that takes two numbers as arguments and returns the larger of them.
22. Create a function that calculates and returns the area of a circle given its radius.
23. Function Parameters Example 1: #include <bits/stdc++.h> using namespace std; void printAge(int age) { cout << "You are " << age << " years old." << endl; } int main() { printAge(25); return 0; } Example 2: #include <bits/stdc++.h> using namespace std; void introduce(string firstName, string lastName) { cout << "Hello, my name is " << firstName << " " << lastName << endl; } int main() { introduce("John", "Doe"); return 0; } Questions:
24. Write a function that takes a string and an integer (name and age) and prints a greeting message.
25. Create a function that takes two float parameters (base and height) and calculates the area of a triangle.
26. Function Overloading Example 1: #include <bits/stdc++.h> using namespace std; int add(int x, int y) { return x + y; } double add(double x, double y) { return x + y; } int main() { cout << add(5, 3) << endl; // Uses int version cout << add(5.2, 3.8) << endl; // Uses double version return 0; } ` Example 2: #include <bits/stdc++.h> using namespace std;