10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
23.2k 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 | 23.2k 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:172.70.50.51
©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 | 16.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users