10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.5k 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 | 19.5k 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:172.71.254.192
©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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users