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C++ Programs

The C++ programs that demonstrate various concepts and tasks. These programs cover a range of topics from basic input/output to more advanced topics like working with arrays and classes.

  1. Hello World:
C++
 #include <iostream>

 int main() {
     std::cout << "Hello, World!" << std::endl;
     return 0;
 }
  1. User Input:
C++
 #include <iostream>

 int main() {
     std::cout << "Enter your name: ";
     std::string name;
     std::cin >> name;
     std::cout << "Hello, " << name << "!" << std::endl;
     return 0;
 }
  1. Basic Arithmetic:
C++
 #include <iostream>

 int main() {
     int num1, num2;
     std::cout << "Enter two numbers: ";
     std::cin >> num1 >> num2;
     int sum = num1 + num2;
     std::cout << "Sum: " << sum << std::endl;
     return 0;
 }
  1. Factorial Calculation (using a function):
C++
 #include <iostream>

 int factorial(int n) {
     if (n == 0 || n == 1) {
         return 1;
     } else {
         return n * factorial(n - 1);
     }
 }

 int main() {
     int num;
     std::cout << "Enter a number: ";
     std::cin >> num;
     int result = factorial(num);
     std::cout << "Factorial of " << num << " is " << result << std::endl;
     return 0;
 }
  1. Array Operations:
C++
 #include <iostream>

 int main() {
     int arr[] = {1, 2, 3, 4, 5};
     int sum = 0;
     for (int i = 0; i < 5; ++i) {
         sum += arr[i];
     }
     std::cout << "Sum of array elements: " << sum << std::endl;
     return 0;
 }
  1. Class and Object:
C++
 #include <iostream>

 class Person {
 public:
     std::string name;
     int age;

     void introduce() {
         std::cout << "Name: " << name << ", Age: " << age << std::endl;
     }
 };

 int main() {
     Person person;
     person.name = "Alice";
     person.age = 30;
     person.introduce();
     return 0;
 }

These are just a few examples of C++ programs. Depending on your specific needs and interests, you can explore various C++ features and libraries to create more complex and specialized programs.

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