10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
23.3k 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 | 23.3k 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:108.162.241.32
©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 | 16.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users