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:172.70.130.42
©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