10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.5k 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 | 19.5k 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:172.71.254.192
©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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users