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:172.70.127.104
©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