10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.3k views

Write a program to convert a decimal number (<256) to binary. Use +-*/% operations only. Loops are not permitted

寫一個把十進位轉換成二進位數的程式。請使用 +-*/% 運算子，不允許使用迴圈。

Example input:

50

Example output:

110010

 

[Exercise] Coding (C) - asked in Chapter 5: Selection Statements by (12.1k points)
ID: 27668 - Available when: Unlimited - Due to: Unlimited
edited by | 15.3k views

119 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
  **  *******  ***  ****   *  a,b,c,d;
 * *     **   * * * *  *  *    ** e,f,g,h;
 ** *            *  *  *****   x;
         *  *    *     ****  *  ********* **    *   *  **
** ** *  ****   **  * *** *
 * ** * ***  **     *  * **   ** ***   
   ***   *** ****    * *      * *   *
 *****  * *    * *** *      *  ** 
*******  ** *    * **   ***  * ****    *  ** 
*    **    **    **   *** **   *   **  * ** **
*   ** ****       **  **** *   * *  ** * *** **    
** *   **** **  * ***** * * ** ** * ** * ** *  * ** *** *

* * *  *** **  * ***  *** *** *** ** (a != 0)
    {
**** *  * ******** **  ** * *     *      *    * *  * 
    }
  ******    *** *   **  * ***** ** if (b != 0)
    {
   *** *  * **** *    *****  *   ** *  ** *     ** ***    * 
  *** *  ** *      *  ***    ** 
**   **** **    ***   ***   if (c != 0)
*  ***** ****** ***   *****  * 
 ***   * ** ***** ****  ***   * ***  **   ** * *  *  *** * * *
* ** * * *  **** * * *  *    *  *
** *  *  **       * **** *** *** if (d != 0)
    *  * * * ****      
*** *    **  ***     *****  **      **   *     **   ***** *** **  *  * * ******  *  *   *
*  * *** ***** ***  *   *****
 ** **  ** *** ** *  **   if (e != 0)
    {
   ** **      * * *   ** *   *  ***** * **   **  *  * *   *** **
  ***         ****** * * *
 **   ******* * *  **** * * if (f != 0)
    {
 * *** * ** *****    *** *  *** **   **  ****  
*     *** **     ******** 
** *   * * ***  **      **   *   if (g != 0)
 *     *  * *      * *  **
  *  ******  * *         *  * *      ** **   * * 
    }

return  0;
}
answered by (-329 points)
0 0
prog.c: In function 'main':
prog.c:5:15: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int e,f,g,h;
               ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:5:15: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int e,f,g,h;
               ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
**  **  ***     *      *  *   a,b,c,d,e,f,g,h,x;
**   * *   *** * ***  *** **** **         **  * * *   
** **     *****  * *** ** **   **
* ******** *** * ** *      * ***** 
 **   *   *   **  * *****  *  *  *
*    * * *   * *** *      *       ** ***** *
 ******  ** * *** ** *  ****    ***    **
 **** ** *  *   * * **  **  *  ******   * ** * 
 * * **  ***         * * * *****  ***  * ****
 *   ** **  ***   * * **  * * ** *  ******

* * * * *  ** ****    *    *   (a != 0)
 **  * * * *    **    *  *  **
  * * * *****  **  **  * **** **  **  **  ***    * *      **  * 
    }
*** *******  *  ***       *** if (b != 0)
    {
 * ***   **  * ** * **  *   *   * **  **   ** *    * **
*   ****    *******   * *  * * 
 * * * * * * ** *  ***  * * if (c != 0)
** **  *** ***  *       *   * 
 * **** ** ** **   * * *   *   * *   **    ** **  ** *
*  * ** *    ****     **  * *   
**    *  * **   **   *** ****  if (d != 0)
    {
       * * ***   ***   *  * **  *   *** ** *    ****       ****  ***  
 * ** *   *    *** ** **  *  *
***** ** *      ***  ** **     if (e != 0)
 * ** ***  **  * * *  ** *
*  * * ** *** * * ** ****   ***   *  * **  ******      
    }
***  ** *  * *  ***  * **   *  * * if (f != 0)
    {
*   * *    *  **  **   *  * ***   ** **** *  *** 
    }
*     **  *  **  ***  *     ** if (g != 0)
     * *****   ** *    * *  
* * ** **  *  * ** *** *       ** ** **          
 **  * ** ** *   **    * ** **

return  0;
}
answered by (-329 points)
0 0
prog.c: In function 'main':
prog.c:4:23: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int a,b,c,d,e,f,g,h,x;
                       ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:4:23: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int a,b,c,d,e,f,g,h,x;
                       ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
 * *            ***     ***** *** d,sum,sum2,sum3,sum4,sum5,sum6,sum7,sum8;
 ** *   ***      *  *  *  **   *** ** **   *  ** *
********           * *   **  = d%2;
 * *** ***** * **** ** ***   = (d/2)%2;
   * *  * * * **  * *  **** *   * = (d/4)%2;
*  ** *  * *** ** ***    *** * **  = (d/8)%2;
* * *   *   * * ** ** *  **  * = (d/16)%2;
 *    * *** * *** * *  * **  ** * = (d/32)%2;
*    *       *    **** * * *** = (d/64)%2;
**** ** ** * *  * ***  * ****  = (d/128)%2;
    if (sum7 == 0 && sum8 == 0)
**   ** ** **     * *  *** *  ** *      * **  * **   ** * *
 * **    ** * *  **    ** * * *** *    * ** ** * * **   * **     **  **** **    *  *    * **      *  * * ***** **** 
    **     * *  * **    ********  **  * * ***   *
 * ***  *  ** * * **** * ***    ** if (sum7 == 1 && sum8 == 0)
* * **** *       *** *  *     **  **  *   ** *    **    * *
   *  * ** ****  * **** * *   *** *     * ** * *  ***      *   * *  ****  ****    * *  ** ** ***     **    *  **     **
   *  *   **** *  **   *****   ***  ** * ******* *  *
*   ****     *  *** *  **  ***
* ****  *  *      * * *   ******      **  *      *         *   *  *** ** ****   *** ****** *   *   *** *  * ** * *   * 


    *****   * **** * *  *   *   * *** 0;
}
answered by (-323 points)
0 0
prog.c: In function 'main':
prog.c:21:20: error: too many arguments for format [-Werror=format-extra-args]
             printf("%d%d%d%d%d%d",sum7,sum6,sum5,sum4,sum3,sum2,sum);
                    ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:20: error: too many arguments for format [-Werror=format-extra-args]
             printf("%d%d%d%d%d%d",sum7,sum6,sum5,sum4,sum3,sum2,sum);
                    ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
   *   ***    **   
int   * 
***  **   *  *   *
 ** **    * *   * * ** *  *
**
*  * *
     * **  
 * **  **** 
* ***     * *** * 
  *   **** *   * 
******* * ** * *** *
  *  *  *  **** **  *   

if (a != 0)
{
 *  ** **** *  * *   ****** * *    ****
}
  * if (b != 0)
{
  *** *  *   **   * * *   ** ****    ***
}
*  * if (c != 0)
{
** ** **    ***  *  ** *  **  * 
}
*    if (d != 0)
{
* ***   *  ****  ******         * *    * ***  *  **
}
 *** if (e != 0)
{
 **  * * *    ***** * * *  
}
* * if (f != 0)
{
***    *  *  ** * * * ** *  
}
 ** * if (g != 0)
{
** **    *   ***** *
}

**  * **  *
}
answered by (-329 points)
0 0
prog.c: In function 'main':
prog.c:3:20: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
 {int a,b,c,d,e,f,g,h,x;
                    ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
      **** *  *    *

   * ***
{
*   ***   *  ****  int ***  ***** * **

  ***    * * *    **   *    *    ***    *   * 

  ***  * *   *     b = a % 2;
*   *****  **  * c = a / 2 % 2;
   **  ** * d = a / 2 / 2 % 2;
 * **   * **  **  e = a / 2 / 2 / 2 % 2; 
       **  f = a / 2 / 2 / 2 / 2 % 2;
** *      * *  g = a / 2 / 2 / 2 / 2 / 2 % 2;
   **  ***    h = a / 2 / 2 / 2 / 2 / 2 / 2 % 2;
  *  * **   * * i = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;
*   *** * ** ** * j = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;

*  ** *   **    ** *         * *** * * 
**   *    **** {
 ** *  ***** *  **** **    *** * *** ** ** ** *** ** * *   ***   **  **  *  ***
   **** * * ***** }
  ****     * **   *  * **    *     ** * *
 *  *       **  {
    *  * *    ***  *  ***  * *   * * **  ****** * ***  *** * * *
***    **    **  }
 * *** *  *           * **  * ** * ***** * * *
    *  **  * *    {
 *** **** *  *   ***** *      * * * ** *** **** * **   ** **     *
 * *** *  *  *   }
** *  * *  *** *       *****  *** ** * * * *
*  **** *       {
  *   *    * *** **  * *  * *** **  ** **   ***** *         **
*  *    * *   }
**   * *** * * *   **    **  **    *  
    ***  **** *  {
**   ** **  *   ****** * ***     **  ** *   *  ** * ******** **  
** **  * *   *   }
* *** * ****** ***      *    * ** *** **  ***
*      **    {
**** *** **** * ** ***  ** ** ** ****** ** *  ********  **  
** *   **     }
* **    * ** *  *   *  *  * *** *  
* ** **  *  * ** {
 ****   *** * **** *     *** *  **  **  ***    **    *   *
 *  * ** }
 *  * ** **    *  
 **    **    {
* *  * *   * * * * ** **   ** *     **  * ** *****    *  b);
* * *  **** * * }
}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
*   **  * ***  *  *

 *    *  
{
*  *  ** * *** int    ****  * ** 

 ******   ** *** *   **   * **    *  **   *

       ** *   b = a % 2;
**      * c = a / 2 % 2;
 *   * ** *  d = a / 2 / 2 % 2;
     * * **  *  * ** e = a / 2 / 2 / 2 % 2; 
* *      * *   f = a / 2 / 2 / 2 / 2 % 2;
 * * *  * **  g = a / 2 / 2 / 2 / 2 / 2 % 2;
 * ***    * *   * h = a / 2 / 2 / 2 / 2 / 2 / 2 % 2;
 *    * **  * ** ** i = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;
   *  *   ****  j = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;

  ***   ***  * ** *       * **  **  ****
 **  *    *   {
     *  **** **  **   **** * ***** *   *   *    *    **** ***  ** ** * *    *
*** ***  ****    }
 ** ***  * **   **     *** ***  * **** *
* * *  * *  *  {
 *   **  ** *  * **  * *** ***  *    * **   **     * * * * * *    * ***** * ***
 ** *   ***   }
 * **  * * * * ***  *     *  *** *** **  
  ** ** *   * **   {
  ** ** *   **   *       *    *   **** ***   ****  *   * *  * ***
* *** * ** * }
    *  ** ** * *  * *   *      * *  *   *
  ** ***  * ** * {
*  *     *        **      ***  *   * * ** * **  *   * **   *  **  * 
  * * *  ***** }
 *  **           else *    **    ****  * 
* ** **  **  *   {
* *   *  ** * *   ** * **  ** *   *  *   * *****   * * ***  *
  * *   * ***** }
**   ***   **      * ***  *  **** *   
     ** * ** {
  * ** *    **   *  *       *  ***   * *    *** * **   ****
** *  * ***** }
 ** ***   **  *   * *      *  **** ***  *  * *  *
 ** * **  **  ** {
*  **  **    *   **   *  **        ** * *****  **  ** ** 
* *    **** **   }
***       * *   * *   
 * *  **  * **   * {
***  *   *  * ** * ** * *    **** * *     *       b);
*    *  *    }
}
answered by (-285 points)
0 0
prog.c: In function 'main':
prog.c:23:17: error: stray '\343' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                 ^
prog.c:23:18: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                  ^
prog.c:23:19: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                   ^
prog.c:43:17: error: stray '\343' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                 ^
prog.c:43:18: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                  ^
prog.c:43:19: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                   ^
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
**     *  **** * * *  
int ***
 *  **   ** *   ** 
* * *     ** *  * ** *****
    ** 
 **  *
*  *** *** 
  *  *      
*  *** *  *******
    **  *  * ** *
* **** *   **  ***
**     **   ***  **  

if (h == 0)
{
 *  ** *******     **        * *  *** * 
}
 * if (g == 0)
{
 ** *    **  *** **  *****  ***
}
else if (f == 0)
{
 *  *   ** * ***    *    **     
}
  * if (e == 0)
 ***** ****     ******  **
* *  if (d == 0)
{
 *  ***  *    *    *        
}
 * * if (c == 0)
{
  *  **   ** ** *** 
}
 *** if (b == 0)
{
 **   ** *  **      **
}
  *
{

**        * *  *   **  * **  * **** ******* *
}
 * *  **   ***
}
answered by (-329 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>
int main()
{
     *    **** **  *  ****** a,b,c,d,e,f,g,h,i,j;
    * *  *  * *  *  *    ***      ** ** *  ** *** * *     *** *  
  ****    ***     ****  *    * *
  *   ** ****  *      * *  * * * **   
  *  * *  *  ****** *  * * ** *** *
*    **  *   * *    ***  *   **   *  
* * **  ** *  ***  * ***   *     **  
** * * *   **** **  *     *****    
* ** * * ** *  *  * ** *  *   ***** * 
 *** **    * **** *  *****  ** *  *****
*** * *  * *** ***** *** *   ******** *  ****    
 * * ** * * *    **  ** * ** *
    {
  * *     ** ***** *    **  *  *  * ** *         **   **   ** * *  *  *    * *** ****  *  
    }
** ** **** * **** * **     **  ***** *  if(i==0)
    {
* ** ** **** *   **  * **    **  **  **  ** ** **    * * * *  *  ****    ** * * * ** **** * 
    }
 ** *    *    *  ** **     if(h==0)
 *** ***  ** ***  * ** ***
   *   **   ** *   *  ** * ** *    ** *** ** *      *** *     *     *   *           ***   **
    }
  * *    * *  *** **  *** * ** ** if(g==0)
    {
 *   *   ** *  *  ** ** ****  * ****** **** **  ** ***  *  *    *  * *     ********    ** 
    ***** *** ***   * *  * ****
****     ** * ** * ****  * *   if(f==0)
* * ** * ***  *   *   **    
** *** *******  ** *  * **    *  * *  **** * * * *** **** * ** * **   *****  ***
****    ****** *  * *  **  
 ** * ** ** *  *** *    **   if(e==0)
 ***** *** *     ** * ** 
 ****** ** *      * ***  **   *  *  ** **      *    *  * ** *     ** * * ****  * 
    }
***    * * ** *  * ** *    if(d==0)
* *** *  * **  ***** *  ******
**       **  *  **  **  *  * ***  *  **** * *  * * ** **** ** * * **  **  
    }
**         **   *  ****    *  *  
**** *  ** ***  **  **  *  
 ** * ** * *  * ***      **  **** ** *      *   **  *****  ***** ** *  * ****   *****
    }

 *** *  *****   ******  *     * 0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()

{
* * * * ** * * * input,a,b,c,d,e,f,g,h;
** ** * ** * *
* ** **** ** **** ** *** * *** *** * * *** ** **
* * *** * ** * ** ** * (input!=0)

    {
* * ****** * * * * * ***** * * * = input%2;
* * * * **** *** * * * *** ** ** *** * * * *** * = input/2;

    }
* ** * *** * * * ** ** ***

    {
** * * * * * ***** * * ***** * ** *** * * *** = input%2;
* * *** * * * ***** * * ** * **** *** * * * ** = input/2;

    }
* * ** *************** * * ** *

    {
*** ** * ** *** **** * * **** * ** * **** = input%2;
* * ** * * ** *** ** * * * * *** *** * * ** = input/2;
***** *** **** * * * **
* * **** * ** *** **** ****
*** ** * * ** * *
** * ******* ** **** * ** **** * ** *** = input%2;
*** ** * ** ** *** * * *** ** ***** *** = input/2;
****** ** * **** ****
* ** * *** ** * * ***** *** * *
** ** *** * ** *
** ** * * * * ** * ** ** ***** **** = input%2;
* * * ** * * * ** ** ** ** * *** *** * = input/2;
***** * * ***** * *
** * ****** *** ****** * ***** * * *
* * * ** * * * *** * * *
** **** ******* **** * *** ** *** * * ** **** * * = input%2;
* ******* ** * ***** ** ******** **** ** = input/2;
* **** ** ** *** **
** ** * **** * **** ** ** *** * *
* ** * * * * **** * * *
* *** * ** ** ** ** *** ***** * * ** ** **** * * = input%2;
* * * * **** ** ***** ** * ** *** = input/2;
***** * *** **** *
* ** ****** * *** ** * * * ***

    {
*** ** **** * **** * * * *** * * *** *** = input%2;

    }




* * ** * ** * * ** * * **** * ****** * *** * * **** * * *


*** * * ** * **** ** * 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike
Hidden content!
** * * * * ** *


** ** *

{
* * *** * int * * **


* ** * * ** * * ** ** **** ** *


** * * * * * b = a % 2;
** * * ***** c = a / 2 % 2;
*** * * d = a / 2 / 2 % 2;
*** ** * * e = a / 2 / 2 / 2 % 2;

* * * * * f = a / 2 / 2 / 2 / 2 % 2;
* * ** * g = a / 2 / 2 / 2 / 2 / 2 % 2;
* ** **** h = a / 2 / 2 / 2 / 2 / 2 / 2 % 2;
*** ** * * i = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;
* * * * * j = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;


* * * * ** ** * * ** **** ** *
****** ** ** {
** * ****** ** * ***** * * ** **** ***** *** * * * **
**** * * ** ** * }
*** * *** * *** * * *** ** * * * * * *
*** * * {
* ** * ** * * * ***** * ** * ** **** * ** * ***
* * * * }
* **** ** ** ** * * * * ** * *
* **** ** {
* * **** * *** * * ** * *** ** * ** ** *** **** * * ** *
* ******* ** * }
** * ****** * *** * * * ** **
* ** ** {
**** * *** *** ** * *** ** * *** ** ** ** *
* * *** *** }
* ** ** * * else * ** * * **
* * *** {
**** **** ** * * ** ** *** ****
** * * }
*** * * * ** * * **** * **
* * *** {
* * * * * * ***** * ** ** * *** *
* ** ** * * }
* ** * ***** * * * ** *** ****** *
* *** * ******* * {
* * * *** ** * ** ** *** ** *** *** ** * ** *** *
* * ** }
* * ** * * **
** * * * * *** {
** * * * ** ** * ** * * * * b);
* ** ** }

}
answered by (-285 points)
0 0
prog.c: In function 'main':
prog.c:23:17: error: stray '\343' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                 ^
prog.c:23:18: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                  ^
prog.c:23:19: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                   ^
prog.c:43:17: error: stray '\343' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                 ^
prog.c:43:18: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                  ^
prog.c:43:19: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                   ^
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.17.95
©2016-2025

Related questions

2 like 0 dislike
77 answers
10-19 Exercise 1: International Standard Book Number (ISBN)
[Exercise] Coding (C) - asked Oct 19, 2017 in Chapter 5: Selection Statements by thopd (12.1k points)
ID: 27667 - Available when: Unlimited - Due to: Unlimited | 10.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users