如何寫一個讓人看不懂的優雅的「Hello World」？

01-08

用你最喜歡的語言，寫最優雅的「Hello World」

知乎的代碼高亮不給力，於是在 github 寫了一個：點此全屏查看：https://gist.github.com/justjavac/6878844/raw/cf600a1048509c92aa53b821528426ab2712c3de/helloworld.js

下面的圖片是代碼的截圖。也許你覺得，不就是拼幾個漢字嗎，有什麼神奇的？

但是，這段代碼居然可以運行！！！並輸出 hello world！！！你說氣人不！！！

((((((((((3827/907200 - (6607 (# - 11))/9979200) (# - 10) - 907/ 40320) (# - 9) + 97/1008) (# - 8) - 391/ 1260) (# - 7) + 27/40) (# - 6) - 3/4) (# - 5) - 5/ 24) (# - 4) + 5/2) (# - 3) - 11) (# - 2) + 29) (# - 1) + 72 ~Array~12 // FromCharacterCode

這個何如？反正我看不懂。參考：Whitespace (programming language) - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Whitespace_(programming_language)

「看不懂」和「優雅」沒法並存。

補一句，易讀性是代碼「優雅」的前提。

優雅的hello world：

puts "hello world!"

用生命遊戲寫的Hello world!

http://copy.sh/life/?pattern=hello_world_copy

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不知道這樣算嗎？

lz的題目不禁讓我想起大學時候寫的輕量brainfuck解釋器，以及測試用的hello world代碼。

代碼是這樣的：

++++++++++[&>+++++++&>++++++++++&>+++&>+&<&<&<&<-] &>++.&>+.+++++++..+++.&>++.&<&<+++++++++++++++. &>.+++.------.--------.&>+.&>.

知乎的語法高亮里竟然有brainfuck這一項……

++++++++[&>++++[&>++&>+++&>+++&>+&<&<&<&<-]&>+&>+&>-&>&>+[&<]&<-]&>&>.&>---.+++++++..+++.&>&>.&<-.&<.+++.------.--------.&>&>+.&>++.

用Brainfuck寫

ps.這個語言的compiler只有100bytes哦

做一回搬運工

是時候祭出EnterpriseFizzBuzz了，自行把fizz和buzz替換hello和world吧

package tinystruct.examples;


import org.tinystruct.AbstractApplication;

import org.tinystruct.Application;

import org.tinystruct.ApplicationException;

import org.tinystruct.system.ApplicationManager;
public class hello extends AbstractApplication {
	@Override

	public void init() {

		// TODO Auto-generated method stub

		this.setAction("say", "say");

	}
	@Override

	public String version() {

		// TODO Auto-generated method stub

		return null;

	}
	public String say(String words){

		System.out.println(words);

		return "&"+words+"&";

	}
	/**

	 * @param args

	 * @throws ApplicationException

	 */

	public static void main(String[] args) throws ApplicationException {

		// TODO Auto-generated method stub

		// Praise to the Lord!

		ApplicationManager.install(new hello());
		// to print "Hello World"

		ApplicationManager.call("say/Hello World", null); 			// Hello World
		// or...

		Application app=ApplicationManager.get( hello.class.getName());

		app.invoke("say", new Object[]{"&Hello, World!&"});	// &Hello, World!&
		app.invoke("say", new Object[]{"&Bye!&"});			// &Bye!&
		// or...

		// http://localhost:8080/?q=say/Hello World

	}

}

沒有main函數的C語言程序final_array.c，如下：

const int main[] = { -443987883, 440, 113408, -1922629632, 4149, 899584, 84869120, 15544, 266023168, 1818576901, 1461743468, 1684828783, -1017312735 };

編譯運行如下：

$ gcc -Wall final_array.c -o sixth final_array.c:1:11: warning: 『main』 is usually a function [-Wmain] const int main[] = { ^ $ ./sixth Hello World!

想知道為什麼？請看這裡：Main is usually a function. So then when is it not?

"dlrow olleH"[::-1]

1. 寫一個讓人看不懂的：

2. 優雅之：

var msg = "Hello, world"

function mlgb() {

var body = document.body.contentText；

body = msg；

｝

mlgb();

夠優雅吧

++++++++++[&>+++++++&>++++++++++&>+++&>+++.&>+.+++++++..+++.&>++..+++.------.--------.&>+.&>.

運行通過！

li $1, 0x68656c6c

sw $1, 0($0)

li $1, 0x6f20776f

sw $1, 4($0)

li $1, 0x726c640D

sw $1, 8($0)

(809608041709942).toString(33);

都看不懂了，還怎麼優雅啊？

lz，看不懂怎麼優雅？？？優雅的前提一定是看得懂吧。無效問題。

哈羅世界