10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
11.2k 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 | 11.2k views

119 Answers

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


****

{
* * * int * ***** *


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


*** * * ** b = a % 2;
***** c = a / 2 % 2;
** * * ** d = a / 2 / 2 % 2;
* *** ** e = a / 2 / 2 / 2 % 2;

***** * * * f = a / 2 / 2 / 2 / 2 % 2;
* ** * ** * * g = a / 2 / 2 / 2 / 2 / 2 % 2;
* ** * ** * ** * h = a / 2 / 2 / 2 / 2 / 2 / 2 % 2;
*** * ****** i = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;
* *** * ** * j = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;


**** *** * * ** * ** * * * * *
* ** * * {
*** **** * ****** ** * * ** * * ** * * * * ** * **
* * * *** * * }
***** * * * * *** ******* ** ** ***
**** * ** {
* ** * * **** * ** *** ** ** * * ** * * ** * * * ** *****
* ** ** * }
*** * * * ** *
* *** * * {
* * * * * * * * **** * * ***** ** ** * * ******* * * **
* ** }
* * * * ** * * * * * * ***** * **
*** * ** {
** *** ** * * * * ** * * *** * ** *** *** *
*** * * **** }
*** ** * else **** * * ***** *
* * * * ** {
* * ** * * ** * * ** *** ** **** *
** * }
*** *** * *** * * * * ** **** **
* * * * {
*** * * ** * * * * ** * *** * *
* ** * ** * * }
* *** * * ** ** ** *** ******
* * * {
*** * *** * * ***** * ** ********* * * *
* ** }
*** * * ** *
*** * ****** {
*** * * * *** * * * *** * b);
* ** * * *** }

}
answered by (-285 points)
0 0
prog.c: In function 'main':
prog.c:23:17: error: stray '\343' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                 ^
prog.c:23:18: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                  ^
prog.c:23:19: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                   ^
prog.c:43:17: error: stray '\343' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                 ^
prog.c:43:18: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                  ^
prog.c:43:19: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                   ^
commented by (4.3k points)
0 like 0 dislike
Hidden content!
** * **** * **** **


* **

{
* * * * ** *** int ** * * **


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


** * ** b = a % 2;
** * * * * c = a / 2 % 2;
** * **** d = a / 2 / 2 % 2;
* * * e = a / 2 / 2 / 2 % 2;

* * *** **** * f = a / 2 / 2 / 2 / 2 % 2;
* * * * g = a / 2 / 2 / 2 / 2 / 2 % 2;
** *** ** * h = a / 2 / 2 / 2 / 2 / 2 / 2 % 2;
* * ** ** i = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;
* * * **** j = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 / 2 % 2;


* * *** * ** ** * *** * ** * ** *
** *** * *** {
** * ** ** *** * * * * *** ** ** * * **** * *
**** * * ** }
*** * * ** * * ** * * **
*** ** ** *** {
** ** * ** ** ** * * ** ******** ** * * * ** *
* * * *** }
*** *** * *** ** * **** * * **
* * * {
** ** * * ***** * *** * *********** * * * * **** *** ****
** **** ***** }
* * ** *** * *** ** * ** ** * * *
* * * * * * {
* ** ***** * ** * * * *** **** ****** ***** *
* * *** }
* ** * * * * else * **** * *
* ** * * *** {
** * * ** **** *** *** * ** ***** ** * * * *****
* }
* ** ** ** * ** ** *
**** ** * ** {
* * * * * * * *** ** **** * ** ** ** **
*** * * }
* ** *** * * * *** * ** ***
** ** * *** * {
*** * * ** * * * * ** **** * * **** ** **
** * * ** }
** ** * ** *
* * *** * {
* ***** * * ** * * *** * * **** b);
* * }

}
answered by (-285 points)
0 0
prog.c: In function 'main':
prog.c:23:17: error: stray '\343' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                 ^
prog.c:23:18: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                  ^
prog.c:23:19: error: stray '\200' in program
  else if(i==0 &&\xe3\x80\x80h!=0)
                   ^
prog.c:43:17: error: stray '\343' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                 ^
prog.c:43:18: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                  ^
prog.c:43:19: error: stray '\200' in program
  else if(d==0 &&\xe3\x80\x80c!=0)
                   ^
commented by (4.3k points)
0 like 0 dislike
Hidden content!
* *** **** * * *


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


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


* ** * ** *** b = a %
* *** **** c = a / 2 %
**** * ** * ** d = a / 2 / 2 % **
* *** ** * e = a / 2 / 2 / 2 %

* * * ** f = a / 2 / 2 / 2 / 2 % *
* * *** * * g = a / 2 / 2 / 2 / 2 / 2 %
* * * * * h = a / 2 / 2 / 2 / 2 / 2 / 2 % *
** * * * i = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 %
** * * ** j = a / 2 / 2 / 2 / 2 / 2 / 2 / 2 / 2 %


*** * * * ** ** *** ** * * *
** * ** {
* * ** * * *** ** * ***** ** * * * * *** *** **** * * **
* * ** * * }
*** ** * *** * * 0 ** * h * **
* * * ** {
* ** * * * * * * ** ** ** ********** * ** *
* * * * ** }
** * ** * * * 0 **** * *** g *
** * ***** {
* ** ** *** * ****** * ***** * ** ** ** * ******
* ** *** * * }
* * * * ** * * 0 ******* f
**** * * * {
* ** ** * * * *** * ** ** ** ****** * ** **
** * * ** }
** ** * * * 0 **** * * ****** e *
* * * *** {
*** **** * * * *** *** ** *** * ***** * ****
** ** ** * }
* ** **** * * * 0 * ***** ** d * **
** * * * *** {
* * ** ** * **** * ** * * * * ** * **
*** * * * }
*** * ** ** ** * ** 0 * * * * *
* *** {
* * * * *** * * ** ** * * ***** * ** * * * * *
* * * *** * * * }
****** *** * **
* ** * *** {
** ** * * ** *** *** * **
** * ** * }
*
answered by (-285 points)
0 0
prog.c: In function 'main':
prog.c:43:19: error: stray '\343' in program
  else if(d == 0 &&\xe3\x80\x80c != 0)
                   ^
prog.c:43:20: error: stray '\200' in program
  else if(d == 0 &&\xe3\x80\x80c != 0)
                    ^
prog.c:43:21: error: stray '\200' in program
  else if(d == 0 &&\xe3\x80\x80c != 0)
                     ^
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;


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






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















return 0;



}
answered by (-301 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 main()

{

  int * * * **
********** ****** * * *** * * * * *
* * *** * * * * *
* ** * * *** ** *****
**** ** * * * *
** ** **** * * *
** ** *** * *
*** * ** ** * * * * *
* * * * * ** *
* ******* ** ****
* ** * * *** **** *** ** * ** **** ** *** * * ** * * *** ** * ** ***** *** *** ** ** ** ***

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

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

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

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

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

  }

  else * * * * * * *** * * * * ** * ** ** ** **** **

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

  }

  else * *** ** ** *** * ** * *** **

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

  }

  else * * **** ** **

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

  }
* ****** * *** if((a0==0))

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

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


** ** * * * ** 0;

}
answered by (-255 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 <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
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(void){


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


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






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















return 0;



}
answered by (-301 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<stdio.h>



int main(void){


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


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






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



































return 0;



}
answered by (-301 points)
0 0
prog.c: In function 'main':
prog.c:19:12: error: too many arguments for format [-Werror=format-extra-args]
     printf("%d%d%d%d%d%d%d",i,h,g,f,e,d,c,b);
            ^~~~~~~~~~~~~~~~
prog.c:5:27: error: unused variable 'j' [-Werror=unused-variable]
     int a,b,c,d,e,f,g,h,i,j;
                           ^
cc1: all warnings being treated as errors
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,j;


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






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



































return 0;



}
answered by (-301 points)
0 0
prog.c: In function 'main':
prog.c:19:12: error: too many arguments for format [-Werror=format-extra-args]
     printf("%d%d%d%d%d%d%d",i,h,g,f,e,d,c,b);
            ^~~~~~~~~~~~~~~~
prog.c:5:27: error: unused variable 'j' [-Werror=unused-variable]
     int a,b,c,d,e,f,g,h,i,j;
                           ^
cc1: all warnings being treated as errors
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,j;


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






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



































return 0;



}
answered by (-301 points)
0 0
prog.c: In function 'main':
prog.c:19:12: error: too many arguments for format [-Werror=format-extra-args]
     printf("%d%d%d%d%d%d%d",i,h,g,f,e,d,c,b);
            ^~~~~~~~~~~~~~~~
prog.c:5:27: error: unused variable 'j' [-Werror=unused-variable]
     int a,b,c,d,e,f,g,h,i,j;
                           ^
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:172.70.100.55
©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 | 7.3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users