10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
24.2k 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 | 24.2k 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:172.71.120.26
©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 | 16.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users