10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.4k 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 | 19.4k 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:172.69.194.137
©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 | 13.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users