10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
27.5k 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 | 27.5k views

119 Answers

0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main()
{
  **** * ** **  *    *****  a,b,c=1,d=0;
  ** * **    *  **  *   * *  ***** * * *  *** *** *   ** *
* **   **      *  * * *  * ***  *** 
***  ***    *  * *   ** *** *
** *  *     **** *      ** * * **      *  **  ** * * **  ****
 *     *  *   ***  ** * * * *  *   *   *  *  * * ***  ** 
 * * *    ****   * **  **  *   * **   *   *  *     *  * * 
*     * **** * * **    * ** **** ***  ****  *  ***  ** *
    }
  * **  * ** **** * * * ** **** ****  * ** * *   *
}
answered by (-214 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()
{
 * ****  **   * * **  ** ** * a,b,c=1,d=0,result;
 *** * ****  ***   **** ** *** *******  * *** ** ****  ***
**   ** ***  ** **  ** *** * ***  
 ** **** *     *   **** **  
*   * ******* *  *   * * * *  * * *    *  **** **  *  **
**  *  **     *** * ** **  *     * * * ***  * ** *  * ** *
* *   *    * **      *** *  **    *** *   * * ***** **  * ****
    *  *   **    ** *****   * * * ** *** **   *** * *** *    * 
    }
** *    **** ****** **  **** *    ** * *  ** ** *   
}
answered by (-214 points)
0 0
prog.c: In function 'main':
prog.c:4:21: error: unused variable 'result' [-Werror=unused-variable]
     int a,b,c=1,d=0,result;
                     ^~~~~~
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;
 *    ** *** * *****  **     * ** * * *** *    * * *** * ****  ** * * *  * *** 
    if
** *  *********  **      * **      * **   *** ** *  **** ***     && c==0 && d==0)

   **  *  ****    ***** *    *  *****   * *     ******     *  ***  **   **      **

  ***    ** ** **** **   *  *       if

** *  ***   * * ***    *  *********  ****  *** ** ******  && d==0)

* ***   ****   ***   * *  **   ****       ** ** **  * * ** ****  * ***  **  *  

*  *   ** ** **         *  ** if

*** **** **  * ** **  ***** * **  *** *****  *  ***** * *   

* ***  **** ** * *  * **     ***  * **** ** *** ** *   * **       ***  * * ** * *

 *     * *** *   * *  *  

  * *** ** *  * **    *        * *   * * **** *** ** ****     **** *  *  *** *

* *    *   **  * *  *  ** **  ** 0;
}
answered by (-196 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong 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;
* *  *         *  ****      ***  *******   **  *  
** *  **    **** * *  * *   ***  (a>0&&a<256)
    {   b=a%2;
***** * * * **  ***   *** *** *   **  *** *  ** ***  **
  *  ** * * *******  ***   ***   ** **   * ** *    *****  *
 **  *   * ** * ***  * **   * **  * *** *    ***  *    * * * * **
*      **** **** * ** ** *  *** * *   ** * ** *  * * **  ***** *    
* * *      *  ***      *   *  * ****        ******  ** ** ****  * **
****** *        **  *** ***    ******** ****     * ** ********* 
* * ****   *   *  *  ***     * ** 0;}
** *  *** *   ***  ** * *   **   ** ***  ***  ** * *** *    ** **  
** * **** ****         ****** * *  0;
}
answered by (-498 points)
0 0
prog.c: In function 'main':
prog.c:17:12: error: too many arguments for format [-Werror=format-extra-args]
     printf("%d%d%d%d%d%d",h,g,f,e,d,c,b);
            ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>
int dec_num=0;
int bin_digit[8]={0,0,0,0,0,0,0,0};
int bin_num=0;
int main()
{
**    * ** *** **      * *     *  *  **  ** ***   *   **  * *
* * ***  * ** ****    ** **  ** * *   *  = dec_num%2;
***  ***       *** *** ******    * = dec_num/2;

* *  ***** * *     *** ***     *  = dec_num%2;
 ****** * **  **** **   *  *** *  ** = dec_num/2;

**** *** **  * *   * * ** ** *   *  = dec_num%2;
* ** * ****  * **       ****  = dec_num/2;

** *  *****  ** ********** * *** * = dec_num%2;
 *  ***  *   *  *  ** * ***  *  = dec_num/2;

**  ** ****  *  * * * *** *     *** * = dec_num%2;
 ****      **    * **  *  * *   * * = dec_num/2;

 * * * ** * * *  ***  *     **   *  = dec_num%2;
 * *** *     *   ***  ***   *****  = dec_num/2;

 * ***    *  * ** *  *   ***** = dec_num%2;
 **  * **  *** *** **    ********** = dec_num/2;

*   ** * * *   * **   **  *   *  ****  = dec_num%2;
   *   *   *** * ****  **     ** = dec_num/2;

***** ** ******    *  ** *** *   ** *    * *   ** * ** * * * 
*  ** *   *****  *  * *  *  ***  * * *** *  * **   
*** ***** *  *****   ****  ****** * *    * * * * **
* *******  *  * *  * * *  *        * ***** ** **
**   * *  *** *** **      * *   *****  *   *  *  
* *     * ** *   ****   ****    ** * *    *  ****
   *        *   ******  *** **  ***   * * *  
***  ** * ******** *  ** * * *  **  * ** *   

  * ** *** * **  *****         *    **     ***  * *   * 
***** **  **** *   ** ** *** ** 0;
}
answered by (-286 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>
#include <stdlib.h>
short dec_num=0;
int   **** * * **    ***  * 
int bin_num=0;
int main()
{
* ***** * ** *  **  *   * ******  ** * *  ***   **** *** *** *  
 *** *** ****  *** ***  **   *    = dec_num%2;
 * * * *  *  *   **    **** ***   = dec_num/2;

*   **** * * ***   *** ***  ********  = dec_num%2;
**     * **    *  * *     **   = dec_num/2;

  * *  *  *  *  ** ** **   * *   = dec_num%2;
 ** * *    **   *  ***      = dec_num/2;

 **  * *** * **** *  * *     = dec_num%2;
* ****   *  *****     ********   = dec_num/2;

  * *** * ***     * *    *****   = dec_num%2;
*   **  * * *  *  **    ****  = dec_num/2;

       * **** ** * ***  ** ** *     = dec_num%2;
**** *********** * * * *  *   ** *** = dec_num/2;

    * *  ** **** **  *** **  * * = dec_num%2;
 ** *   ** ***  **  *   ** **  *   = dec_num/2;

  ** * ***   *   * *   ***  *  **   *  = dec_num%2;
***   *   * **** *      **** * = dec_num/2;

  *  **** *      *** *** **  * * * * * * ** **   
 ** * * **  *** ***  ***** * **  *       *** *  ***  * 
* * ****** ***   *  *** *   *  **** * * *    *** *  **  ****
   ** *   ** **       *** *  * * ***  **   * ***
  * **     **     ** *** ** *  *    ***  ***     * 
* *  **  **   ***  *  *  ***** * * **    ****** **     ** *
*** * ** *  **** ***  **** *  * *** ****  ***   **    *
*  ** * **  ** * * **   * * * *  *  ***** *** * * *

 ***** **** *  *  * *  *    ****** ****** *****  ** ***
* * ****   *  *   * *** * * **  *  0;
}
answered by (-286 points)
0 0
prog.c: In function 'main':
prog.c:8:13: error: format '%d' expects argument of type 'int *', but argument 2 has type 'short int *' [-Werror=format=]
     scanf("%d",&dec_num);
             ^
cc1: all warnings being treated as errors
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;
   * *  *****  * * * * * *   * *** ** **  * ** *  * * *    * *
   ****  ***** *  * **** (a>0&&a<256)
   * * *  * **** *** ***    b=a%2;
 *** *   * **     **   * ** ** ***   **  *  ** * * 
* * *    * **  * * *  *** ***   ************** * *    * ** *   **  *    
*  *   ** ****    * *    * **  ** *   ** * *    *    * ****  **** 
  * ****    * ** * * **  ** *    **** *  *     * ** ***  * ** 
 * * * *  * **  ****  ***     **** **  * *   **  **   *  *
 *** *   * * * ** * ***  ***  **   0;}
**  *  *  **** * *****    * * *** *** **** ***   ** **  * 
  ** *   ***   **  *  *  *  *** * 0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong 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;
 *  * *  * *   * *   * **  * *  ** **  ****** **   ***  *
* * *****    ** * * ***    (a<256)
    {   b=a%2;
    ****   **   ***** * ** ** ****** *** **  ******      *  * ****   *
  ** *  *  *      *    *   ** **  ** ** *** *** **   ** ** *  *** *
******   *********  *  **    ******* *   * ******** * *   *      ** 
   **   *** *  * *****  *  ** **** * ******    ** * * **  ***  *   ** *
** *** **   *  ******** * *****  * ****    *** * **  * ***  ** **** *
**     *  * ****   *     *   ***** 0;}
***    **  *  ** ****** **   ********  **   ** *  * **  **  
* ***    * *    **  *   ***** * 0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong 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;
 ** * * **  **  * ** ** *    ******* ***   ** * ** 
    if (a<256)
* *   * **  ** *** **  ** *    *   * ** * *** *****  * * 
  * **   * * * *    *  * * **** *    ** * * * * ***   *  *   
 * ** **   * ** ** ***  ** * **   *    * **   * *    **  *** *
*** * **  ** ******* **  *** ****  *    **  *  * *   *  * ***
**  ***  ** **     **** ****      ****   ** * *  *  
* * *     *   **  ***  ****   * *  ** *  **** *****   * **       * *
**     *  * ****************** * *  *** *** * **    *     *   *****
 ******   *   ***  *** *   *** 0;
}
answered by (-498 points)
0 0
prog.c: In function 'main':
prog.c:8:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (a<256)
     ^~
prog.c:10:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         c=(a/2)%2;
         ^
cc1: all warnings being treated as errors
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.64
©2016-2026

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 | 19.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users