10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.5k 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 | 19.5k 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:172.69.130.71
©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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users