10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
16.2k 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 | 16.2k 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:172.69.17.120
©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 | 11.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users