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