2 like 3 dislike
22.1k 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 | 22.1k 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:172.69.7.77
©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
| 15.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users