10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
20.4k 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 | 20.4k 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:172.69.214.39
©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 | 14k views
12,783 questions
183,442 answers
172,219 comments
4,824 users