10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
20.3k 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 | 20.3k 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:162.158.62.88
©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 | 13.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users