题解 | 点到直线距离
点到直线距离
https://www.nowcoder.com/practice/1bcdd78060e54812a9c47ebe40c6af65
double getDistance(point P, line L){
int a=L.point_A.y-L.point_B.y;
int b=L.point_B.x-L.point_A.x;
int c=L.point_A.x*L.point_B.y-L.point_A.y*L.point_B.x;
return(abs(static_cast<double>(a*P.x+b*P.y+c))/sqrt(static_cast<double>(a*a+b*b)));
}
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