入門記事のコード

hello.cpp

#include <iostream>

int main() {
    std::cout << "Hello World!\n";
}

hello2.cpp

#include <iostream>

int main() {
  std::cout << "Hello Work!" << std::endl;
}

hello3.cpp

#include <iostream>

int main() {
    std::cout << "Hello," << std::endl << "Everyone." << std::endl;
}

hello4.cpp

#include <iostream>

int main() {
    int x = 1;
    std::cout << "x=" << x << std::endl;
    x = 2;
    std::cout << "x=" << x << std::endl;
}