10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
20.4k 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 | 20.4k 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:172.69.214.204
©2016-2025

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 | 14k views
12,783 questions
183,442 answers
172,219 comments
4,824 users