2 like 3 dislike
20.2k 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 | 20.2k 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:172.70.80.170
©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
| 13.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users