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:172.70.100.98
©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