10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
13k 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 | 13k 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:172.69.6.16
©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 | 8.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users