10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
8.5k 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 | 8.5k 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:172.71.255.50
©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 | 5.9k views
12,783 questions
183,443 answers
172,219 comments
4,824 users