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:172.69.214.204
©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