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查看源代码打印帮助 01 #define _________ } 02 #define ________putchar 03 #define _______ main 04 #define _(a) ________(a); 05 #define ______ _______(){ 06 #define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C) 07 #define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F) 08 #define ____ _(0x72)_(0x6C)_(0x64)_(0x21) 09 #define _____ __ ___ ____ _________ 10 #include 11 _____

hello2.c查看源代码打印帮助 1 #include 2 main(){ 3 int x=0,y[14],*z=&y;*(z++)=0x48;*(z++)=y[x++]+0x1D; 4 *(z++)=y[x++]+0x07;*(z++)=y[x++]+0x00;*(z++)=y[x++]+0x03; 5 *(z++)=y[x++]-0x43;*(z++)=y[x++]-0x0C;*(z++)=y[x++]+0x57; 6 *(z++)=y[x++]-0x08;*(z++)=y[x++]+0x03;*(z++)=y[x++]-0x06; 7 *(z++)=y[x++]-0x08;*(z++)=y[x++]-0x43;*(z++)=y[x]-0x21; 8 x=*(--z);while(y[x]!=NULL)putchar(y[x++]); 9 }

hello3.c查看源代码打印帮助 01 #include 02 #define __(a)goto a; 03 #define ___(a)putchar(a); 04 #define _(a,b) ___(a) __(b); 05 main() 06 { _:__(t)a:_('r',g)b:_('$',p) 07 c:_('l',f)d:_(' ',s)e:_('a',s) 08 f:_('o',q)g:_('l',h)h:_('d',n) 09 i:_('e',w)j:_('e',x)k:_('\n',z) 10 l:_('H',l)m:_('X',i)n:_('!',k) 11 o:_('z',q)p:_('q',b)q:_(',',d) 12 r:_('i',l)s:_('w',v)t:_('H',j) 13 u:_('a',a)v:_('o',a)w:_(')',k) 14 x:_('l',c)y:_('\t',g)z:___(0x0)}

hello4.c查看源代码打印帮助 1 int n[]={0x48, 2 0x65,0x6C,0x6C, 3 0x6F,0x2C,0x20, 4 0x77,0x6F,0x72, 5 0x6C,0x64,0x21, 6 0x0A,0x00},*m=n; 7 main(n){putchar 8 (*m)!='\0'?main 9 (m++):exit(n++);}

hello5.c查看源代码打印帮助 01 main(){int i,n[]={(((1<<1)<>1)))+((1<<1)<>1)))+ (1 05 <>1))),(((1<<1)<>1)))- ((1 07 <<1)<>1)))),(((1<<1)<>1 09 )))-((1<<1)<>1)))),(((1<<1)<< (1 10 <<1)<>1)))-(1<>1))),(((1<<1)<>1))) 13 -((1<<1)<>1)))),((1<<1)<< (1<<1) 14 <>1))),(((1<< 16 1)<>1)))-(1<>1))), (((1<<1 18 )<>1)))+(1<<1)), (((1<<1)<< ( 20 1<<1)<>1)))-((1<<1) <>1)))), 22 (((1<<1)<< (1<<1)<> 24 1)))), (((1<<1)<>1))),(((1<<1)<>1))) + (1<< (1>>1)))};for(i=(1>>1);i 27 >1 28 ))) + (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++)查看源代码打印帮助 01 #include 02 #define _(_)putchar(_); 03 int main(void){int i = 0;_( 04 ++++++++++++++++++++++++++++ 05 ++++++++++++++++++++++++++++ 06 ++++++++++++++++++++++++++++ 07 ++++++++++++++++++++++++++++ 08 ++++++++++++++++++++++++++++ 09 ++++i)_(++++++++++++++++++++ 10 ++++++++++++++++++++++++++++ 11 ++++++++++i)_(++++++++++++++ 12 i)_(--++i)_(++++++i)_(------ 13 ---------------------------- 14 ---------------------------- 15 ---------------------------- 16 ---------------------------- 17 ----------------i)_(-------- 18 ----------------i)_(++++++++ 19 ++++++++++++++++++++++++++++ 20 ++++++++++++++++++++++++++++ 21 ++++++++++++++++++++++++++++ 22 ++++++++++++++++++++++++++++ 23 ++++++++++++++++++++++++++++ 24 ++++++++++++++++++++++++++i) 25 _(----------------i)_(++++++ 26 i)_(------------i)_(-------- 27 --------i)_(---------------- 28 ---------------------------- 29 ---------------------------- 30 ---------------------------- 31 ---------------------------- 32 ------i)_(------------------ 33 ---------------------------- 34 i)return i;}

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