2 like 3 dislike
21.6k 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 | 21.6k 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
| 15k views
12,783 questions
183,442 answers
172,219 comments
4,824 users