10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
27.6k 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 | 27.6k views

119 Answers

0 like 0 dislike
Hidden content!
* * ** ** ** *

int main()

{

int * ***


* * * * ** *

b=a%2;
* *
** **
**** *
**
* * ** *
** * * ***** * * ** ** * * * **
** * 0;



}
answered by (-254 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 main()

{

int ** *


* * * * * **** **

b=a%2;
****
** *
* * ** *
** **
* **
**** * * * ** * * * ** ** ** * ****
0;



}
answered by (-254 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 main()

{

int *** *


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

b=a%2;
** *
**
** *
** **
* *****
* * * *** ** * * ** * ** *
* 0;



}
answered by (-254 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 main()

{

int * * *


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

b=a%2;
****
* * *** ***
* ***
** *
********* **
* ** ** *** * *** ***
* * 0;



}
answered by (-254 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 main()

{

int * *** *


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

b=a%2;
*
* *
* * *
* ******
* ** * *
** * ** * * ** * * ** * **
* 0;



}
answered by (-254 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 main()

{

int * ** ** **


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

b=a%2;
* *
* ***
* ****
*****
** ** **
* **** ***** * * * * * ** ***
* * 0;



}
answered by (-254 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()



{
** *** * * * ** * **** * 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!
#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!
#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!
#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)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.64
©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 | 19.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users