10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
23.3k 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 | 23.3k 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:108.162.241.32
©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 | 16.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users