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:172.71.254.94
©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