10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
21.6k 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 | 21.6k 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:172.70.80.20
©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 | 15k views
12,783 questions
183,442 answers
172,219 comments
4,824 users