程序代码：

#include <stdio.h>
#include <stdlib.h>

#define A 0xAAAAAAAA

char *bv(char *buf, size_t bufsize, unsigned int n, int wide)
{
    char *last = &buf[bufsize];
    *last = '\0';
    while (wide <= 0 ? n : wide--)
    {
        *--last = '0' + (n & 1);
        n >>= 1;
    }
    return last;
}

int main(void)
{
#define BUFSIZE 33
#define bv(c, wide) bv(buf, BUFSIZE, (c), (wide))

    char buf[BUFSIZE];
    int a, b;

    while (scanf("%d%d", &a, &b) == 2)
    {
        int n = 0, bn = 1, orig_n, orig_bn;
        while (n < b - a + 1)
        {
            int c = 0, cc = b - n - a;

            orig_n = n;
            orig_bn = bn;

            while (n > 0)
            {
                int d;
                for (d = 0; d < bn; ++d)
                {
                    printf("%s", bv(c, cc));
                    printf("%s", bv(A >> (32 - a), -1));
                    printf("%s\n", bv(d, n));
                }
                n -= 1;
                bn >>= 1;
                c = (c << 1) | 1;
                cc += 1;
            }
            printf("%s", bv(c, cc));
            printf("%s\n", bv(A >> (32 - a), -1));
            n = orig_n + 1;
            bn = orig_bn << 1;
        }
    }
    return 0;
#undef bv
#undef BUFSIZE
}

程序代码：

#include <stdio.h> 
 
void dat(long n,int b) 
{ 
 int i; 
 for(i=b-1;i>=0;i--) 
   { 
    printf("%d",(n>>i)&1); 
   } 
 printf("\n"); 
} 
 
int main(void) 
{ 
    int a,b,i; 
    long m=0x55555555,x,y=0,z; 
    do{ 
       printf("input b:"); 
       scanf("%d",&b); 
       printf("input a:"); 
       scanf("%d",&a); 
      }while(b>31 || a>b); 
 
    for(i=0;i<a;i++) 
      { 
       y<<=1; 
       y^=m&1; 
       m>>=1; 
      } 
 
    for(i=0,z=0;i<b;i++) 
      { 
       z<<=1; 
       z^=1; 
      } 
    m=0x7FFFFFFF>>(31-a); 
    for(x=y;x<z;x==y?x<<=1:x++) 
      { 
       for(i=0;i<=b-a;i++) 
     { 
      if((x&m)==y){dat(x,b);break;} 
      y<<=1; 
      m<<=1; 
     } 
       y>>=i; 
       m>>=i; 
      } 
 
    return 0; 
} 


程序代码：

#include <stdio.h> 
 
void dat(long n,int b) 
{ 
int i; 
for(i=b-1;i>=0;i--) 
   { 
    printf("%d",(n>>i)&1); 
   } 
printf("\n"); 
} 
 
int main(void) 
{ 
    int a,b,i; 
    long m=0x55555555,x,y=0,z,n1,n2; 
    do{ 
       printf("input b:"); 
       scanf("%d",&b); 
       printf("input a:"); 
       scanf("%d",&a); 
      }while(b>31 || a>b); 
 
    for(i=0;i<a;i++) 
      { 
       y<<=1; 
       y^=m&1; 
       m>>=1; 
      } 
 
    for(i=0,z=0;i<b;i++) 
      { 
       z<<=1; 
       z^=1; 
      } 
    m=0x7FFFFFFF>>(31-a); 
    for(x=y;x<z;x==y?x<<=1:x++) 
      { 
       if(x<0)break; 
       n1=y,n2=m; 
       for(i=0;i<=b-a;i++) 
     { 
      if((x&n2)==n1){dat(x,b);break;} 
      n1<<=1; 
      n2<<=1; 
     } 
      } 
 
    return 0; 
}