10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
22k 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 | 22k 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:172.69.7.59
©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 | 15.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users