题解 | #判断直线相交#
判断直线相交
https://www.nowcoder.com/practice/1efe2386491f4235b78a34cd1b5fb3d0
import java.util.*;
public class CrossLine {
public boolean checkCrossLine(double s1, double s2, double y1, double y2) {
// write code here
if(s1 == s2 && y1 != y2){
return false;
}else if(s1 == -s2 && y1 != y2){
return false;
}else return true;
}
}
本题需注意当斜率互为相反数时也算平行
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