2 like 3 dislike
23.3k 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 | 23.3k 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:172.69.17.67
©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
| 16.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users