10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
29.7k 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 | 29.7k 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:162.159.115.10
©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 | 20.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users