10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.9k 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 | 15.9k 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:172.69.17.129
©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 | 11.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users