2 like 3 dislike
26.1k 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 | 26.1k 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:104.23.243.164
©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
| 18.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users