10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.9k 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 | 15.9k 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:172.70.131.161
©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 | 11.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users