2 like 3 dislike
20.1k 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 | 20.1k 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:172.70.100.82
©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
| 13.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users