10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
13k 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 | 13k 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:172.70.130.43
©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 | 8.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users