10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
23k 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 | 23k 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:172.69.59.97
©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 | 16k views
12,783 questions
183,442 answers
172,219 comments
4,824 users