2 like 3 dislike
19.4k 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 | 19.4k 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:108.162.242.96
©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
| 13.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users