0 like 0 dislike
5.7k 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 | 5.7k 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:172.69.214.38
©2016-2025

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
| 3k 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
| 9.9k 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
| 7.9k 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
| 3.4k 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
183,442 answers
172,219 comments
4,824 users