2 like 3 dislike
25.6k 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 | 25.6k 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:104.23.243.165
©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
| 18.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users