10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
27.4k 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 | 27.4k views

119 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>



int main()



{
* ** ** * * * n,a=0,b=0,c=0,d=0,e=0,f=0,g=0,h=0;
** ** *** *** **** * * ** **** * * * ** **


** * * **** ***** (n!=0)
**** ** * * ** ***** ***** * * ******** * *
** ***** * ** * * ** * *** ** ** * *** * *
** * * *** * ** * * * (n!=0)
*** ** ** * * * *** ** * ** *** * * * * * ** **
*** * **** * * ** *** ** * *** * * ** ** * *

    if (n!=0)
**** * * * * * ** * * * * ** * *** ** *
** * ***** * * ** ***** * ** * * * * **
****** **** ***** *** ** (n!=0)
* * * ** *** ** *** *** * ** ** * * * ** ** * * * * *
* ** * *** *** * *** ** ** ** * **** * **
* * ***** * **** * ** * * (n!=0)
* *** * *** **** * * ** * ** ** * * ** *** * ***
* * * ** **** ** ** ** * ** ** * ** * ** * *** * *
* ******* * * * ** ** (n!=0)
* * ** * ** ** ** * * * *** * ** * ** * *
* ** * ****** * * ** * * * ** * ** * * *
* **** ** * ** * * * ** * (n!=0)
*** *** *** * ** **** * *** **** ** ** * **
* * ** **** * * ***** **** **** ****** * ****
* **** **** * * (n!=0)
**** * ** * ** ** ** * ** * * * ** **
** ** * * *** ** * ** (h)
* ******** * ****** **** *** ** **** *** * ** *
* ** *** * * ** * ** ***** (g)
**** * *** *** * * * ** * **** * **** * ** (h==0)
** ** *** * *** *** ** *** * *** ** ** * **** * * *
* *** ** * * * *** * (f)
* * * * * ** * *** *** * ** ** ***** **** *** *** (h==0 && g==0)
* * ***** * * **** ** * * * ******* * * ** * ** * ***
* *** * *** * * ** * (e)
* * * * ** * * * * ** * *** ***** *** * * * (h==0 && g==0 && f==0)
* **** ** * ** * ** **** * * * * ** * ** ** ** *
* * * **** * * ** ** * * * (d)
** ** ** *** ** *** * ** ** * * ** * ** * * *** (h==0 && g==0 && f==0 && e==0)
*** * ** * ** * ** *** * ********* * * * * ***
* * * *** ** ** * * ** ** (c)
** *** ** * ***** *** **** **** * *** * * *** (h==0 && g==0 && f==0 && e==0 && d==0)
** ** *** * *** * ** * * * ** ***
** ** * * ** * ** * * * (b)
** ** * **** *** * * *** ** * * *** (h==0 && g==0 && f==0 && e==0 && d==0 && c==0)
** ** * ** * * ** * ** * ** * *
* ** * *** * * * ** * * (a)
* * ** ** * ** * * *** * * * *** * * (h==0 && g==0 && f==0 && e==0 && d==0 && c==0 && b==0)
* ** * * *** **** * ***** *** ****** *


** ** * * *** ** ** * 0;





}
answered by (-249 points)
0 0
prog.c: In function 'main':
prog.c:9:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (n!=0)
     ^~
prog.c:11:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         n=n/2;
         ^
prog.c:12:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (n!=0)
     ^~
prog.c:14:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         n=n/2;
         ^
prog.c:15:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (n!=0)
     ^~
prog.c:17:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         n=n/2;
         ^
prog.c:18:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (n!=0)
     ^~
prog.c:20:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         n=n/2;
         ^
prog.c:21:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (n!=0)
     ^~
prog.c:23:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         n=n/2;
         ^
prog.c:24:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (n!=0)
     ^~
prog.c:26:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         n=n/2;
         ^
prog.c:27:5: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
     if (n!=0)
     ^~
prog.c:29:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
         n=n/2;
         ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike
Hidden content!
** * ** **

int ** * **** **



int main()

{
* * * **** * ****

b=a%2;
* **
** *
* *
* **
** *** ***
** * *******
* ** *


** ** * ** ** ** **** * * **







return 0;



}
answered by (-336 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 like 0 dislike
Hidden content!
* * * ** * ****** **

int * *** ** *



int main()

{
** * * * * ** *** *****

b=a%2;
*** *
* * *
* * **
*** * *
** * * * *
* *** * *
**** *****


* * ** ** *** *** **** * *** ** * **







return 0;



}
answered by (-336 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 like 0 dislike
Hidden content!
#include * ** * * *

int ** * *

{

int i,n;
*** *** * *** *
* *** ** *** *** **** * *** ***** * ** * *** * ** * * *

}
answered by (-204 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!
* ** ******* * ***

int ** ***



int main()

{
* * * * * * * **
*
**
* * *
** * * ** *
* **
* *** * ** *






** *** **** ***






** 0;



}
answered by (-336 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!
** ** *** ** *** *

int *******



int main()

{
* * * ** * * * * *
** **
**
* * *
*
* * ***** *
* ***






* **** ** * * * * * ***






* ** 0;



}
answered by (-336 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>

int main (void)

{
* * *** * ** * **** ** ** a,b,c,d,e,f,g,h,i;
* *** ** * * * * ** *** * **** *** * *
*** *** ** **** * *
* * * ** ** * * * ** ***** **
* * * *** ** *** ** * **
* ** *** * * * *
* * * ****** * ** *
* * ** * *** * * ** ***
***** ** *** * * ** * *** *
* * * * *** * *** * *

    if * ***** ***** ** ***** * ** * * * ** * ** * * *** * ***** * * * ** ** * * ** ** * ** * * *
* ** * ** ** ****** ** *** ***** ***** * ** * * ** ***** * ** ** ** * * * ** * * *

    }

    if ((b==0)&&(c!=0)){
* * * * * * * *** *** ** *** ****** * **** ** ** ** *** * * * **** ** *

    }

    if *** *** * ******* **** *** * **
** *** * * * ** * ** * * ***** ** ******** * **** ** * *** **** ** * ** **

    }
** ** * ** *** ** ***** ** * **** *** **** * * * * * *** **
* *** *** ** ** * * **** * ** * * * ** ** ***** *** * * * ** ** *

    }
* * ******* * *** ** * * * * * ****** ** ** * ***** *** * * * * * * ****
*** * * ** * * * * * ** *** * ***** ** *** ** * * ** ** ****

    }
* ** * * ** * * * ***** * * ** ** *** * * *** **** * ** ** * ** * * * * **** * ***
** ** * **** **** * **** * ** *** * * ***** * * * *** * * * ** * * * ** * *

    }
* **** * * * * ******* ** * ** ***** ** * * ** * * *** ** * * **** * ** **** *** ** * **
** **** * ** **** * * ** * *** ** **** **** * ***** ** * **

    }

    if *** ** ** *** * * * * * ** * * ** ** * ** ** * ** * **** * * * * ***** ** * *
** * * *** * ** **** * **** * * ** ** * * * ** ** ** * * *

    }
** ** * ****** * *** ***** ** * * ** *** * ** ** ***** ** ** *** * * ****** ** * * * * * **** ** * ** * * *
** * ***** * * * ****** ** * * *** *** ** * ** * ** * * **

    }
******* * * * * ** ** ** * * * 0;

}
answered by (-204 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 like 0 dislike
Hidden content!
* * ** * ** * *

int * ** ***



int main()

{
***** ** * ***** * *
** *
*
**** ***
*****
* * ****
* * **** *






* * * ** * *** ** ** *






** 0;



}
answered by (-336 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!
*** * ** * *
* * *


* * *
*


*
*


**
* *
* **




** **** ** ** ***






** * *


*
answered by (-336 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
0 like 0 dislike
Hidden content!
** ***** ** * *

int * ** ***



int main()

{
** ** ** *** * * * *** ***
* * *
* *
*** *
**** * *
* * * **
* **






** **** * ** * * * * ** * * ** *






** * 0;



}
answered by (-336 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.221.38
©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 | 19.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users