有趣的hello word

最新推荐文章于 2025-09-08 21:57:50 发布

weixin_30294021

最新推荐文章于 2025-09-08 21:57:50 发布

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文章标签： c/c++

原文链接：http://www.cnblogs.com/ywj2013/p/3298021.html

本文展示了五个使用C语言编写的程序，每个程序都通过不同的技巧和手法实现了打印Hello World!的效果。从宏定义到指针操作，再到位运算等，这些程序深入探讨了C语言的各种高级特性。

程序一
#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>
#include <stdlib.h>
_____
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程序二
#include <stdio.h>
#include <stdlib.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++]);
}

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程序三
#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)
}

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程序四
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++);
}

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程序五
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]);
}

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程序六
注释：如下代码编译需要c++或者g++编译器
     #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;}