10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
13.4k 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 | 13.4k 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:172.70.127.81
©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 | 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users