10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
20.2k 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 | 20.2k 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:172.71.203.112
©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 | 13.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users