10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
4.3k 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 | 4.3k 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:172.70.131.180
©2016-2024

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 | 3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users