10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.7k 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 | 15.7k 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:172.70.100.35
©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 | 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users