10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
23.5k 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 | 23.5k 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:172.70.80.197
©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 | 16.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users