10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
23.5k 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 | 23.5k 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:172.69.7.77
©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 | 16.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users