2 like 3 dislike
21.1k 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 | 21.1k 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:172.70.175.55
©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
| 14.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users