2 like 3 dislike
27.6k 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 | 27.6k 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:104.23.197.94
©2016-2026

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
| 19.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users