10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.7k 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 | 15.7k 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:172.70.126.108
©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 | 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users