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:172.69.59.97
©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 | 16.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users