10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
22.2k 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 | 22.2k 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:172.71.223.187
©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 | 15.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users