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