2 like 3 dislike
27.5k 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 | 27.5k 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:104.23.197.65
©2016-2026

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
| 19.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users