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:104.23.243.109
©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