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:172.70.80.89
©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