10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
8.5k 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 | 8.5k 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:172.70.130.105
©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 | 5.9k views
12,783 questions
183,443 answers
172,219 comments
4,824 users