0 like 0 dislike
928 views
直線方程式的通式為 ax+by+c=0 ,請設計一程式,由使用者輸入平面上兩點,程式會計算出直線方程式後輸出a, b, c。

輸入說明:輸入會包含四個浮點數,倆倆之間會用一個空白隔開,四個浮點數依序代表第一個點的x座標、第一個點的y座標、地按個點的x座標、第二個點的y座標。

輸出說明:請依序輸出 a, b, c 三個常數,每個數都需輸出到小數點後六位。請確保a, b, c 間的最大公因數為1。

輸入範例:

1.0 1.0 1.0 2.0

輸出範例:

1.000000 0.000000 -1.000000
[Exercise] Coding (C) - asked in 2016-1 程式設計(一)AC by (18k points)
ID: 18070 - Available when: Unlimited - Due to: Unlimited

reshown by | 928 views

49 Answers

0 like 0 dislike
Hidden content!
// * ** ** * by HoMingJui on 2016/11/3.

//



#include * *** ****** * *

#include * *** * * * **

#include *** * * * *

#include * ******** *





int main(){
** * * ** * ***** * * ** x[2],y[2],a,b,c;
** * ** * * ****** ** * ** %f %f * ** * * *** * * * ** ******
* * * ** ***** ** ** **** * ** ***
** * **** **** * * ** * ** **
* ***** ** *** ** * * * **
* * * ** *** ** * ***** * * %.6f ** *** *
* * * * ***** ** ** 0;

}
answered by (-126 points)
0 like 0 dislike
Hidden content!
** * * * * ** *



int main()

{
** * *** ** * a1,a2,b1,b2,a,b,c;
** * * ** * *** * * * %f %f ** ** * *** **** * * *** ***** * * **
* * ** * ******* **
** * **** * * **** ***
** **** ** * ** *** *
* ****** * *** *** * ** %.6f %.6f",a,b,c);


* ** ** *** * * ** 0;

}
answered by (-124 points)
0 like 0 dislike
Hidden content!
** * * ** ** *** *



int main()

{
* * **** ** ** * **** a1,a2,b1,b2,a,b,c;
** ********* * ** * * * *** %f %f * **** ***** * * * ** * ***
** **** ** * ** **
* ** **** * **** ********
**** ** *** *** ** *
****** * ** **
* **** * ** * * **** * * * %.6f %.6f",a,b,c);


** * * *** * ******* 0;

}
answered by (-124 points)
0 like 0 dislike
Hidden content!
#include * * ** ** *



int main(void){


** * ****** * * * ax , ay ,bx ,by ,a ,b * * **


* ** * * * * * * * ** * ** *** ** * ***
* * * * **** * ******* * ** *** *** * * **** * * * *
* *** ***** * * *** ** ** * * * *** ** ** * * * ***
* ** * * **** *** * * ** ***** **** **** * ** * * *** ** ****** **** *


* *** *** **** *** ** **** * - bx) != 0){
* ** *** ** ***** * = (ay - * *****
*** * ***** *** = -m*ax + ay;
**** * ** * * = m;
** ** ** ** *** ** = 1;
*** **
*** *** ** ********
* ** ** * * = 0;
* * * * *** * = 1;
* * * * * ** * = -ax;
* ***


*** * * * **** = a;
** *** ****** * * = b;
* ** * * **** * = c;


**** *** ** < 0)
*** ** ** **** * * * = -i;
* ** ** if (k < 0)
* * ** * * *** * ** ***** = -k;


*** * (i < 1){
* ***** * *** * = 1/i;
* * * **** ** * = a*g;
** ** **** * ** = b*g;
**** * * * ** *** ** = c*g;
** *
* * * if (k < 1){
* * *** ** * * ** = 1/k;
* ** **** * = a*g;
* * * **** * = b*g;
* ** ** * * = c*g;

 }
* * * * * * ** * *
*** ** **** * *
**** ** *** * * *



return 0;

}
answered by (-122 points)
0 like 0 dislike
Hidden content!
#include ** ** * **



int main(void){


* ****** * ** * * ** ax , ay ,bx ,by ,a ,b * ** ***


* * * ** * ** **** *** * ** ** *
*** * **** * * ** ** * * * * ***** * ** * * *** *
*** ** * ** * ***** * * ** **** * * * * * **** **** * **
** * * * * *** * * * * * * * * * * ** ******* * * * * * * ***** **** * * * **


* * ***** *** ** *** - bx) != 0){
* ** * **** * * ** * * = (ay - *** *
* **** **** ** * = -m*ax + ay;
*** *** * * **** * = m;
* * * **** * = 1.000000;
*** *** *
*** * ** * *
* * * * *** * * = 0.000000;
** *** * *** * *** = 1.000000;
*** * * * ** * = -ax;
* * *** *


** * * * *** *** = a;
**** * *** * * = b;
***** * * * * *** = c;


** * * < 0)
* ** ** * * ** ** = -i;
** if (k < 0)
* ***** ** ** ** * * * * ** = -k;


** * (i < 1){
* ***** ** * **** **** = 1/i;
*** *** * * * ** * * = a*g;
** ** * ** **** ** = b*g;
** * * * **** **** = c*g;
***
* **** if (k < 1){
** * * ** * * ** * = 1/k;
* * * * * ** * = a*g;
* **** * ** = b*g;
*** ** ** * * **** = c*g;
**
* * * * ** * * *
* ** ** ** ***
*** *** *** **



return 0;

}
answered by (-122 points)
0 like 0 dislike
Hidden content!
* * *** * ** *
** * * * * *
*
i ****
* a , b , c , * ** ** **** **
* *** ; i ** * ; *
* * **** *** , * );




* * * *
* * **** *** * = *
* * ** * ** ****** * = - * **



* * *** * * ** *** * **
*
*** ** *** *****
= * * ;
= * ;

*** * * * *** * ***** * *** a , b *








0 ;






answered by (-87 points)
0 like 0 dislike
Hidden content!
* ***** * * *
** * *** ** * * *

int main()

{
* ** * * ******* * ** a,b,c,d,m,x,y;
* * * **** ***** *** ** * * **** ** * %f %f ** *** * * *** * * *** * ***
*** **** * * ***** * * ***
* * ******* * * ** * ** *** ****

}
answered by (-103 points)
0 like 0 dislike
Hidden content!
#include * ** * ***



int main(void){


** ***** * **** ax , ay ,bx ,by ,a ,b ,k,m,c;


***** * ** * * * * * * * **** ** * ** *
* * * * ** ******* *** ****** ** ***** * * * ** **
** ** * ** * *** ** ** *** * ** *** *** ** * ** * * * **** **
***** * * * *** * * ** * ****** * * * * * ** * ***** * * **** ** * * * * * *


** * * * - bx) != 0){
* **** * * *** * *** = (ay - *** *
* ** *** * * = -m*ax + ay;
* *** ** * ** * * = m;
*** ** * * = 1.000000;

 }
* * * * * ** *
***** * ***** = 0.000000;
* * * * * *** ** = 1.000000;
* * * * *** * *** = -ax;

 }


* ** * * ** ** *
** ** *** *
** ** *** *** * ** * **



return 0;

}
answered by (-122 points)
0 like 0 dislike
Hidden content!
#include * ** * ***** **



int main(void){


* * *** ** **** * * ax , ay ,bx ,by ,a ,b ,k,m,c;


** ** ** ** * *** * ** * * ** * * ** * **
**** * * *** * ** * *** * * ** * ** ** **
* * * * * *** * **** * * ** * **** * * ** * *** * ** * * *
* ** ******** **** *** ** ** ** * *** * * * **** *** ***** * ** * * * *


****** * * ** ***** * - bx) != 0){
* * **** ** ** * = (ay - * *
**** * * **** = m*ax + ay;
** * ** **** * ** = m;
* **** ** ******* * = 1.000000;

 }
** * * * ** * * **
* * * **** * = 0.000000;
*** * ** ** * * * = 1.000000;
********* * * * * * = -ax;

 }


**** ** * * ******
* **** * * * ****
* ** ** ** ** * *** **



return 0;

}
answered by (-122 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.6.154
©2016-2024

Related questions

0 like 0 dislike
16 answers
[Exercise] Coding (C) - asked Dec 1, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 18075 - Available when: 2016-12-01 18:30:00 - Due to: 2016-12-01 21:00:00
| 470 views
0 like 0 dislike
86 answers
[Exercise] Coding (C) - asked Dec 1, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 18071 - Available when: 2016-12-01 18:30:00 - Due to: 2016-12-01 21:00:00
| 1.5k views
0 like 0 dislike
62 answers
[Exercise] Coding (C) - asked Dec 1, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 18067 - Available when: 2016-12-01 18:30:00 - Due to: 2016-12-01 21:00:00
| 1.1k views
0 like 0 dislike
21 answers
[Exercise] Coding (C) - asked Dec 1, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 18066 - Available when: 2016-12-01 18:30:00 - Due to: 2016-12-01 21:00:00
| 491 views
0 like 0 dislike
0 answers
[Resource] asked Dec 1, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 18085 - Available when: Unlimited - Due to: Unlimited
| 10 views
12,783 questions
183,443 answers
172,219 comments
4,824 users