10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
22.1k 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 | 22.1k 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:108.162.241.184
©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 | 15.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users