0 like 0 dislike
2.7k 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 | 2.7k 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:172.70.100.101
©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
| 1.4k 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
| 4.6k 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
| 3.5k 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
| 1.5k 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