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:172.70.130.43
©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