10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
22.3k 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 | 22.3k 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:172.69.130.53
©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 | 15.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users