程序员面试金典——7.3判断直线相交
Solution1:easy啊
class CrossLine {
public:
bool checkCrossLine(double s1, double s2, double y1, double y2) {
// write code here
if(s1 == s2 && y1 == y2)//两条直线重合
return true;
else if( s1 == s2 && y1 != y2) //两条直线平行
return false;
else //两条直线相交
return true;
}
};