2 like 3 dislike
26.1k 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 | 26.1k 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:104.23.243.165
©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
| 18.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users