2 like 3 dislike
21.6k 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 | 21.6k 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:172.69.130.70
©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
| 15k views
12,783 questions
183,442 answers
172,219 comments
4,824 users