10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
26.2k 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 | 26.2k 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:104.23.243.108
©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 | 18.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users