2 like 3 dislike
20.1k 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 | 20.1k 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:108.162.216.251
©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
| 13.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users