2 like 3 dislike
16.6k 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 | 16.6k 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:172.70.127.131
©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
| 11.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users