2 like 3 dislike
19.4k 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 | 19.4k 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:172.70.80.232
©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
| 13.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users