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:108.162.216.252
©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