2 like 3 dislike
27.9k 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 | 27.9k 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:104.23.243.108
©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
| 19.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users