10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
13.4k 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 | 13.4k 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:172.69.17.21
©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 | 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users