10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
21.1k 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 | 21.1k 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:172.70.175.55
©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 | 14.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users