下面的六个程序片段主要完成这些事情:
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;}