10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.5k 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 | 19.5k 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:172.71.254.192
©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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users