2 like 3 dislike
21k 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 | 21k 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:172.71.254.192
©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
| 14.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users