@ Crazy Code

下面的5個程序片段主要完成這些事情：輸出Hello, World
所有程序都可以在GCC下編譯通過。

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
    _____

Hello2.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)}

Hello3.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++]);
    }

Hellow4.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

#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;}