10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
16.4k 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 | 16.4k 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:172.70.179.50
©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 | 11.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users