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:172.70.80.196
©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