10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
4.3k 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 | 4.3k 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:172.69.58.44
©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 | 3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users