10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
23.1k 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 | 23.1k 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:172.70.50.51
©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 | 16.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users