10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
15.9k 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 | 15.9k 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:172.70.131.142
©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 | 11.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users