2 like 3 dislike
27.5k 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 | 27.5k 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:104.23.197.65
©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
| 19.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users