10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
21.6k 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 | 21.6k 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:172.69.17.59
©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 | 15k views
12,783 questions
183,442 answers
172,219 comments
4,824 users