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:172.70.100.71
©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