10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.7k 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 | 15.7k 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:172.70.126.108
©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 | 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users