2 like 3 dislike
19.5k 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 | 19.5k 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:172.69.130.71
©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
| 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users