2 like 3 dislike
30.1k 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 | 30.1k 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:104.23.197.95
©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
| 21.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users