10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
26.2k 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 | 26.2k 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:104.23.243.108
©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 | 18.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users