2 like 3 dislike
16.4k 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 | 16.4k 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:172.70.179.50
©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
| 11.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users