6个变态的C语言Hello World程序

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原文链接：http://coolshell.cn/articles/914.html/comment-page-3#comment-88949

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

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。

1.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>_____

2.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++]);}

3.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)}

4.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++);}

5.c

#include<stdio.h> 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]); }

6.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;}

ps:好流弊的样子。。但是4好像不能运行，，而且我还不会修改。。

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