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:172.69.7.165
©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