10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.3k 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 | 15.3k 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:172.69.59.174
©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 | 10.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users