2 like 3 dislike
16.4k 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 | 16.4k 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:172.70.130.236
©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
| 11.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users