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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

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

//



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



int main()

{
* *** ** ** ** a1,a2,b1,b2,a,b,c;
* * * * ** * * ** %f %f * ** ** * * * ** * * *** **** ** *
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* * * ** * * ***** * 0;

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



int main()

{
****** * **** ** ** a1,a2,b1,b2,a,b,c;
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* ** * * ** * 0;

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



int main(void){


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


** * *** **** *** * ** ***** ******* * * **
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**** * * * *** = 1;
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** ** * *** ** = b;
* ** ** *** * ** = c;


* * *** < 0)
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* * * * (i < 1){
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* * * * ***** * = b*g;
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****** ** if (k < 1){
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****** **** * = b*g;
***** ** ** = c*g;

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



return 0;

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



int main(void){


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


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


** * < 0)
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**** ** ** if (k < 0)
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**** *** ** (i < 1){
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** * ** * **** * = b*g;
* * * * * ** ***** * = c*g;
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* **** ** * ** *** = b*g;
** *** *** * **** = c*g;
** ****
**** * ** *** *
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** *** * ** * *



return 0;

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




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answered by (-87 points)
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Hidden content!
*** *** *** ***
* * *** ** * ***** ****

int main()

{
* ******** * * * * * * ** * * a,b,c,d,m,x,y;
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}
answered by (-103 points)
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Hidden content!
#include * * ** *



int main(void){


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


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


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

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

 }


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



return 0;

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



int main(void){


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


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


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

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

 }


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



return 0;

}
answered by (-122 points)
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