10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.4k 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 | 19.4k 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:108.162.241.33
©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 | 13.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users