struct Point{
int x, y;
//重载比较符
bool operator < (const Point &a) const{
return x > a.x;//当前元素大时,是降序
}
};
struct Point{
int x, y;
//重载比较符
// bool operator < (const Point &a) const{
// return x > a.x;//当前元素大,降序
// }
bool operator < (const Point &a) const{
return x < a.x;//当前元素小,升序
}
};