10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
20.2k 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 | 20.2k 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:108.162.241.33
©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 | 13.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users