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:172.70.100.219
©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