10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
20.4k 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 | 20.4k 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:172.70.127.107
©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 | 14.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users