2 like 3 dislike
13k 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 | 13k 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:172.69.58.148
©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
| 8.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users