2 like 3 dislike
28.2k 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 | 28.2k 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:104.23.243.108
©2016-2026

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
| 19.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users