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。
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(){
intx=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)gotoa;
#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
intn[]={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(){inti,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(_);
intmain(void){inti=0;_(
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++i)_(++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++i)_(++++++++++++++
i)_(--++i)_(++++++i)_(------
----------------------------
----------------------------
----------------------------
----------------------------
----------------i)_(--------
----------------i)_(++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++++
++++++++++++++++++++++++++i)
_(----------------i)_(++++++
i)_(------------i)_(--------
--------i)_(----------------
----------------------------
----------------------------
----------------------------
----------------------------
------i)_(------------------
----------------------------
i)returni;}
（全文完）
