​​/下面的六个程序片段主要完成这些事情：

  2. 输出Hello, World
  3. 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




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​​#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




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​​#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




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​​#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




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​​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




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​​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++）




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​​#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;}​​