6个变态的C语言写的Hello World

最新推荐文章于 2024-10-25 21:19:08 发布

最新推荐文章于 2024-10-25 21:19:08 发布 · 68 阅读

文章标签：

#C #C++ #C# #D语言 #编程

本文展示了六个不同寻常的C语言程序片段，这些程序均能输出“Hello, World”。它们使用了各种技巧，如宏定义、位运算及字符串操作等，来达到混淆源代码的目的，既考验读者的C语言功底，也颇具娱乐性。

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原文：http://cocre.com/?p=914 —— 酷壳

本文仅供朋友们“消遣作乐”，能够看懂是为什么固然不错。看不懂也不必太过认真，如果你要觉得有意思的话，顶顶贴。如果你觉得没什么意思的话，一笑了之。仅供娱乐而已，不必太过认真。

下面的六个程序片段主要完成这些事情：

输出Hello, World
混乱C语言的源代码（加密源代码，嘿嘿）

下面的所有程序都可以在GCC下编译通过，只有最后一个需要动用C++的编译器g++才能编程通过。

hello1.c

 #define _________ }
 #define ________ putchar
 #define _______ main
 #define _(a) ________(a);
 #define ______ _______(){
 #define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C)
 #define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
 #define ____ _(0x72)_(0x6C)_(0x64)_(0x21)
 #define _____ __ ___ ____ _________
 #include <stdio.h>
 _____

hello2.c

 #include <stdio.h>
 main(){
 int x=0,y[14],*z=&y;*(z++)=0x48;*(z++)=y[x++]+0x1D;
 *(z++)=y[x++]+0x07;*(z++)=y[x++]+0x00;*(z++)=y[x++]+0x03;
 *(z++)=y[x++]-0x43;*(z++)=y[x++]-0x0C;*(z++)=y[x++]+0x57;
 *(z++)=y[x++]-0x08;*(z++)=y[x++]+0x03;*(z++)=y[x++]-0x06;
 *(z++)=y[x++]-0x08;*(z++)=y[x++]-0x43;*(z++)=y[x]-0x21;
 x=*(--z);while(y[x]!=NULL)putchar(y[x++]);
 }

hello3.c

 #include <stdio.h>
 #define __(a) goto a;
 #define ___(a) putchar(a);
 #define _(a,b) ___(a) __(b);
 main()
 { _:__(t)a:_('r',g)b:_('$',p)
 c:_('l',f)d:_(' ',s)e:_('a',s)
 f:_('o',q)g:_('l',h)h:_('d',n)
 i:_('e',w)j:_('e',x)k:_('\n',z)
 l:_('H',l)m:_('X',i)n:_('!',k)
 o:_('z',q)p:_('q',b)q:_(',',d)
 r:_('i',l)s:_('w',v)t:_('H',j)
 u:_('a',a)v:_('o',a)w:_(')',k)
 x:_('l',c)y:_('\t',g)z:___(0x0)}

hello4.c

 int n[]={0x48,
 0x65,0x6C,0x6C,
 0x6F,0x2C,0x20,
 0x77,0x6F,0x72,
 0x6C,0x64,0x21,
 0x0A,0x00},*m=n;
 main(n){putchar
 (*m)!='\0'?main
 (m++):exit(n++);}

hello5.c

 main(){int i,n[]={(((1<<1)<<(1<<1)<<(1<<
 1)<<(1<<(1>>1)))+((1<<1)<<(1<<1))), (((1
 <<1)<<(1<<1)<<(1<<1)<<(1<<1))-((1<<1)<<(
 1<<1)<<(1<<1))+((1<<1)<<(1<<(1>>1)))+ (1
 <<(1>>1))),(((1<<1)<<(1<<1)<<(1<<1)<< (1
 <<1))-((1<<1)<<(1<<1)<<(1<<(1>>1)))- ((1
 <<1)<<(1<<(1>>1)))),(((1<<1)<<(1<<1)<<(1
 <<1)<<(1<<1))-((1<<1)<<(1<<1)<<(1<<(1>>1
 )))-((1<<1)<<(1<<(1>>1)))),(((1<<1)<< (1
 <<1)<<(1<<1)<<(1<<1))-((1<<1)<<(1<<1)<<(
 1<<(1>>1)))-(1<<(1>>1))),(((1<<1)<<(1<<1
 )<<(1<<1))+((1<<1)<<(1<<1)<<(1<<(1>>1)))
 -((1<<1)<<(1<<(1>>1)))),((1<<1)<< (1<<1)
 <<(1<<1)),(((1<<1)<<(1<<1)<<(1<<1)<<(1<<
 1))-((1<<1)<<(1<<1))-(1<<(1>>1))),(((1<<
 1)<<(1<<1)<<(1<<1)<<(1<<1))-((1<<1)<< (1
 <<1)<<(1<<(1>>1)))-(1<<(1>>1))), (((1<<1
 )<<(1<<1)<<(1<<1)<<(1<<1))- ((1<<1)<< (1
 <<1)<<(1<<(1>>1)))+(1<<1)), (((1<<1)<< (
 1<<1)<<(1<<1)<< (1<<1))-((1<<1)<< (1<<1)
 <<(1<<(1>>1)))-((1<<1) <<(1<< (1>>1)))),
 (((1<<1)<< (1<<1)<<(1<<1)<< (1<<1))- ((1
 <<1)<<(1<<1)<<(1<<1))+((1<<1)<< (1<<(1>>
 1)))), (((1<<1)<<(1<<1) <<(1<<1))+(1<<(1
 >>1))),(((1<<1)<<(1<<1))+((1<<1)<< (1<<(
 1>>1))) + (1<< (1>>1)))}; for(i=(1>>1);i
 <(((1<<1) <<(1<<1))+((1 <<1)<< (1<<(1>>1
 ))) + (1<<1)); i++) printf("%c",n[i]); }

hello6.cpp

下面的程序只能由C++的编译器编译（比如：g++）

 #include  <stdio.h>
 #define _(_) putchar(_);
 int main(void){int i = 0;_(
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++i)_(++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++i)_(++++++++++++++
 i)_(--++i)_(++++++i)_(------
 ----------------------------
 ----------------------------
 ----------------------------
 ----------------------------
 ----------------i)_(--------
 ----------------i)_(++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++++
 ++++++++++++++++++++++++++i)
 _(----------------i)_(++++++
 i)_(------------i)_(--------
 --------i)_(----------------
 ----------------------------
 ----------------------------
 ----------------------------
 ----------------------------
 ------i)_(------------------
 ----------------------------
 i)return i;}