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:172.70.131.86
©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