10-19 Exercise 2: Convert decimal to binary number

2 like 3 dislike
19.5k 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 | 19.5k 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:172.71.254.193
©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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users