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