সি++

#include <iostream>
using namespace std;

int main() {
  bool username = true;

  std::cout << typeid(username).name();

  return 0;
}

#include <iostream>
using namespace std;

int main() {
  bool username = true;

  std::cout << typeid(username).name();

  return 0;
}

#include <iostream>
using namespace std;

int main() {
    char grade = 'A';

    switch (grade) {

        case 'A':
        case 'B':
            cout << "ভালো" << endl;
            break;

        default:
            cout << "চেষ্টা করো" << endl;
    }

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    char grade = 'C';

    switch (grade) {

        case 'A':
        case 'B':
            cout << "ভালো" << endl;
            break;

        default:
            cout << "চেষ্টা করো" << endl;
    }

    return 0;
}