10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
11k 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 | 11k 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:108.162.216.5
©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 | 7.2k views
12,783 questions
183,443 answers
172,219 comments
4,824 users