10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
29.7k 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 | 29.7k 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:162.159.115.10
©2016-2026

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 | 20.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users