10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.5k 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 | 19.5k 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:172.71.254.192
©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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users