2 like 3 dislike
23.3k 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 | 23.3k views

119 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
******** * **** ** ** a,b,c,d;
* * * * ** * ** * ****** e,f,g,h;
* * *** ** * *** * ** * ** x;
* * * * * * * ** * * ** ** *** ** ** * *
** * **** * ****** *
* *** * * ** ** ** * * **
* * * * * * ** * ** *
* * ** ******* **** * ** * *
* * * * * ***** * **
** *** * * ** ******** * * ****
** * ** * ****** ** * *** * * * **
*** * * *** * *********** *** ** * *

* ** * *** *** *** * * (a != 0)
    {
****** *** ** *** ***** * *** ** ** ** *** ** * ****
    }
* ** * * * * * * * if (b != 0)
    {
** ** * * ** * *** *** ** **** * * ** * *** * *******
** * ** * **** * * *
*** *** * * * ** * ** if (c != 0)
* * ** ** * * * ***
* *** **** ***** * *** *** ** * ** * * * * ** *** *
* **** *** ** **** * * * *
* * ***** ** * ** * * if (d != 0)
* ***** ** * *
* *** **** *** * ** **** * * * * * ** ** **** * *** *** * *** *** *
* ** ** *** * *
* * * * * ****** * * * if (e != 0)
    {
* ** * *** ** * **** * **** * * *
* * * *
* *** * * * * ***** * if (f != 0)
    {
***** *** ************ * *** *** * ** ** * ** * *
* * *** * *** ** * * *
*** * * *** ** ****** * ** if (g != 0)
** ** * * * * **
* ** * * * * * ** * ** **** ***
    }

return  0;
}
answered by (-329 points)
0 0
prog.c: In function 'main':
prog.c:5:15: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int e,f,g,h;
               ^
cc1: all warnings being treated as errors
0 0
prog.c: In function 'main':
prog.c:5:15: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int e,f,g,h;
               ^
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* * * ** ***** ** * a,b,c,d,e,f,g,h,x;
****** ** ** * * ****** ** * ** * ** ***** * * *
* ******** * *** * * *
*** * * ***** * * **
***** ** **** ** * ** *** *
** **** * ** **** * * **
* * * ** * ** * *** * *** *** * ***
** * ** *** * *** * * ** * ** *
* * ** ** * * * ** * ** ** **
* **** * * * * * * *** * * * * *** **

** * * *** * *** * (a != 0)
** * ** **** *****
** ** * *** ** * * * * ** * * ** *** * * ** ** *
    }
* ***** * * ** ******* * if (b != 0)
    {
* * * * * * ** *** * *** **** *** * * *** ** ** ** ****
*** ** *** ** * * * ** *
******* *** * * ** ** * if (c != 0)
****** ** ** *** * *** * **
* * * * * * ** * ** *** ** * ** * * * ****** * ***
* ** ** *** * * ** *
* ** *** ** * * *** ** * if (d != 0)
    {
** ** * * *** * *** * **** * ** ** * *** ** * * ** *** * *** * **
*** * * ** *** ** *
***** **** * **** ** * * if (e != 0)
* ** ** *** * * * * * *
* * *** * * ** * * * ** ** * * ** ***
    }
*** * ** ********* ** * ** if (f != 0)
    {
*** * ** * ** *** **** ** * * * ** *******
    }
** * ******* * * ******* * ** if (g != 0)
* * *** *
** ** ** * *** * * * *** * *** **
* ** * *** * * ***

return  0;
}
answered by (-329 points)
0 0
prog.c: In function 'main':
prog.c:4:23: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int a,b,c,d,e,f,g,h,x;
                       ^
cc1: all warnings being treated as errors
0 0
prog.c: In function 'main':
prog.c:4:23: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
     int a,b,c,d,e,f,g,h,x;
                       ^
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()
{
** * *** *** ** * * ****** d,sum,sum2,sum3,sum4,sum5,sum6,sum7,sum8;
* * **** *** * * * * * * * ** ** * * ** ***
**** * * ******* * = d%2;
* * * ** *** * ** ** ** = (d/2)%2;
* ** * ** * * *** * * * = (d/4)%2;
* * * * * * ***** * *** = (d/8)%2;
** * ** * * ** * **** = (d/16)%2;
*** * * * * *** ** * * = (d/32)%2;
** * ** * *** * * ** **** = (d/64)%2;
* ** ** * * * *** = (d/128)%2;
    if (sum7 == 0 && sum8 == 0)
*** *** ** ** ** * ** ***** **
** ** ** * * * *** ******* ** *** ** ** * * * ** ** * * * * **** * * ** ****** * * * * * ***
** * *** ***** * ** * *** * * *** * * *
* **** ** ** * * * *** * ** if (sum7 == 1 && sum8 == 0)
* * ** *** * * * * ** ***** * * * * *
********** * * ** * **** ** **** * * *** **** * **** * ** ** *** *** ** *** *** * * ****
** ** * * **** *** ** * * *** * ** ******
* * ** * *** *** ** ***
** * ** ** * * * * ** * * ** * * * * ** ****** *** ***** *** * * ** ** ** * * ******* *


* *** * * * * * * * ** * 0;
}
answered by (-323 points)
0 0
prog.c: In function 'main':
prog.c:21:20: error: too many arguments for format [-Werror=format-extra-args]
             printf("%d%d%d%d%d%d",sum7,sum6,sum5,sum4,sum3,sum2,sum);
                    ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
0 0
prog.c: In function 'main':
prog.c:21:20: error: too many arguments for format [-Werror=format-extra-args]
             printf("%d%d%d%d%d%d",sum7,sum6,sum5,sum4,sum3,sum2,sum);
                    ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
* *** * * **
int * *
* * *** *
* ** * ** * * **
*
***
* ** * *
* *
***** * ** * *
* ***** * * **
**** * ** *
** ** * ** * **

if (a != 0)
{
** * ** * * * ****** * * * * *
}
** if (b != 0)
{
* * * *** ** * * *** * * ***
}
* if (c != 0)
{
* **** ** * * * * ** ** * **
}
*** if (d != 0)
{
** ** ** **** * ** * ***** ** * * * * ** *
}
* if (e != 0)
{
** ****** * * *
}
* if (f != 0)
{
* * * * * *** ***
}
*** if (g != 0)
{
**** **** * **
}

* *** **
}
answered by (-329 points)
0 0
prog.c: In function 'main':
prog.c:3:20: error: variable 'h' set but not used [-Werror=unused-but-set-variable]
 {int a,b,c,d,e,f,g,h,x;
                    ^
cc1: all warnings being treated as errors
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;

* ** ******* * * ****** * * *
**** ** * * {
* ** ** * * ** * * ** * * ** * *** ** * *
* * * * }
* * * * * *** *** * ** **
* * * * *** {
* * ** * * * * * ***** ** * * * * ** * * *** * ****** *
* * ** *** }
* * *** * * * * *
** * * * {
** *** *** *** * * ** ***** * * * *** * ****
* ** * ***** }
* * * ** *** * * ******** * *
**** * ** * * * {
* * *** ***** * ** * ** ** ** * *** * ***** **
* * ** * * * }
** ** * ******* *** *** **** ** * **
*** * * *** * * {
* *** *** ** * * * * * ** * *** ** * ****** * *
**** * * * }
* ** ** * * * * * * **** ** ** * *
***** * ** * * * {
* * * * ** ** *** * * * ** * * * * * * *
* * * ** }
* * * ** * ** **** * *
* * * * {
*** * *** ****** * * * ** * * * ** * * *
* * * * * ** }
* ******* * * *
**** * * *** {
**** ** **** * * ** * *** * * ** * * * b);
*** * * * }
}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
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)
                   ^
0 like 0 dislike
Hidden content!
*** * * * * ** ***
int * * *
** * ***
*** ***** * * * ** **
*** *
** *
* ****
* * ** *
*** *** *
* * * * **
* *** * * ** * ** ***
** * **** * ** ** *

if (h == 0)
{
*** ** ** * ** **** ** * * ** * ***
}
* * if (g == 0)
{
* * ****** * ** *** * * *
}
else if (f == 0)
{
** * ** ***** ** * * **
}
* if (e == 0)
** * *** * * **** * ****
** if (d == 0)
{
** *** ** **** * * *
}
*** if (c == 0)
{
* ** ** * ** *
}
* if (b == 0)
{
*********** * * **
}
**
{

** * * ** ** * **** * ** * * * ** * *
}
**** *
}
answered by (-329 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>
int main()
{
**** * * * **** * a,b,c,d,e,f,g,h,i,j;
** ** * **** ** * * *** *** * ******* *** *
*** ** ** ** *** * *
*** ***** ** ** **
*** * ** * * * **** * * *
* * * ** * ** * * *** *
* * * *** ** * * **
* ** * * ** *** * *** **** *
* * ** * * **** ** ** **
* * * ** * **** ****** ****
* * *** * **** * * * **** ** * *
** * * * ** ** * * **
    {
*** **** * * *** * *** *** * * ** * ** *** ****** *** * * *** * * **
    }
** * * * * * * * ** * * * if(i==0)
    {
*** * * *** * * **** * *** *** ***** * * *** * * * * ** * * * *
    }
****** * **** **** * ** if(h==0)
** * * ** * * * ** ** *
*** * * * ** * * * ** ** ** * * ** *** * **** ** * *** * ** * ***
    }
****** * * * ** * ** if(g==0)
    {
**** * ** * ** * *** * ** ** * ** * *** * * *** ****** ** * *
**** **** ***** * ** *
** * * * **** ** ** * * * if(f==0)
* **** ** * *** * ** *
** ** * ** * * ** * * * **** * ***** * * ** ** ** * *
** ** * **** ** * * *
** * ** * * ** ***** if(e==0)
** *** *** * * ***
*** *** *** ** *** * ** * *** ** * * ** * ** * ** ** ****** * * *
    }
* * * ***** * ** **** if(d==0)
* **** *** * * *** **
*** **** * * * ** * * * * * * *** **** ** * * * *** *
    }
** ** *** * * * *** **** ***
* *** * * ***** ** * *** ***
**** **** * * **** ** *** ** * *** *** ** **
    }

* ** ****** *** * ** 0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()

{
* * * *** * *** ******* * * input,a,b,c,d,e,f,g,h;
****** ** * * * ** * * **** **
**** * *** **** ** *** * * * ***
* * * * * *** * *** * * (input!=0)

    {
****** * * ** ** * * * ** * *** **** * * = input%2;
* ***** *** * ** **** *** * ** *** * *** * ** * = input/2;

    }
** * * *** * ** * * ** **

    {
******** * ** * *** * * * ** * * * ** = input%2;
* * *** *** ** *** *** ****** ***** ** * ** ** * * = input/2;

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

    {
** ** * ** ** * *** *** * * *** * ** * = input%2;
** * ** * ** * * **** * * ** * * ***** ** * = input/2;
*** * *** * * * *
* * * * * * ** * * ***
** ** * * ** * * * **
******* * ** * * ** ** **** * *** ** ** * * *** * * = input%2;
* **** * ** *** ** *** ***** * ***** *** ** * * * = input/2;
** * * * ** * ** *** ** **
* *** ** ****** ******* **** ** *
**** *** *** * ** * ****
* *** ** * * ** ** ** * *** * ** *** = input%2;
***** * * *** *** * * * *** *** * ** * = input/2;
** ** *** **** ** ** *
**** **** **** * ** * ** * * *
* * ** * ** * *
* * ** * *** **** * ** * **** * ***** ** * * * ** = input%2;
* * ** * * ** * * *** * * * ** * ** * * * ** = input/2;
** * *** ****** * * * *
* * * * **** * *** **** *
**** * * ** * * ** **
* * * * ** ** * * **** ** * ** ** * ** * = input%2;
* *** * **** ** ** * *** *** ** * = input/2;
* ***** **** **
* *** * * * * * **** * *

    {
* * *** * * * * ** * *** * * **** *** ***** * = input%2;

    }




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


** * * *** * * * 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
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)
                   ^
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.130.93
©2016-2025

Related questions

2 like 0 dislike
77 answers
[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
| 16.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users