BOJ 2557 Hello World

1 개요

BOJ 2557 Hello World

• 백준 온라인 저지 2557번 문제
• BOJ 1단계

• 참고: Hello World 프로그램

2 C

#include <stdio.h>
int main() {
	printf("Hello World!");
	return 0;
}

3 C++

#include <iostream>
using namespace std;
int main() {
    cout << "Hello World!" << endl;
    return 0;
}

4 C#

using System;
public class Program {
    public static void Main() {
        Console.WriteLine("Hello World!");
    }
}

5 Go

package main
import "fmt"
func main() {
   fmt.Println("Hello World!")
}

6 Java

class Main {
    public static void main(String[] args) {
        System.out.println("Hello World!");
    }
}

7 node.js

console.log("Hello World!");

8 Perl

print "Hello World!";

printf("Hello World!\n");

9 PHP

Hello World!

<?php
echo 'Hello World!';

10 Python

print("Hello World!");

11 R

cat("Hello World!")

12 Ruby

print "Hello World!"