2 like 3 dislike
20.9k 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 | 20.9k 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:108.162.241.33
©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
| 14.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users