C-helloword 的实现

 #include<stdio.h>


    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++);
	  
	}

 #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++]);

 }

#include<stdio.h>

 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]); 
	 getchar();
 }