2 like 3 dislike
20.4k 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 | 20.4k 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:172.70.80.171
©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
| 14.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users