10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
29k 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 | 29k 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:104.23.243.109
©2016-2026

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 | 20.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users