10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
21.5k 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 | 21.5k 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:172.69.59.98
©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 | 14.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users