10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
18.5k 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 | 18.5k 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:172.70.80.53
©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 | 12.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users