10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
20.2k 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 | 20.2k 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:108.162.241.32
©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 | 13.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users