10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
16.4k 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 | 16.4k 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:172.71.254.144
©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 | 11.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users