2 like 3 dislike
19.5k 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 | 19.5k 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:172.71.254.193
©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
| 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users