2 like 3 dislike
15.3k 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 | 15.3k 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:172.69.17.95
©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
| 10.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users