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:172.71.254.157
©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
| 11.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users