2 like 3 dislike
29.7k 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 | 29.7k 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:162.159.115.10
©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
| 20.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users