#include<iostream>
using namespace std;
struct node {
	unsigned int a; 
	unsigned int b; 
	unsigned int g; 
	unsigned int k; 
	unsigned int num; 
	unsigned int size;
};

node q[10010];
bool puanduan(node a,int x,int y)
{
	if (x >= a.a && x <= a.a + a.g && y >= a.b && y <= a.b + a.k)
		return 1;
	else return 0;
}
int main()
{
	int max = 0;
	int n;
	for (int i = 1; i < n+1; i++)
	{
		q[i].num = i;
		cin >> q[i].a >> q[i].b >> q[i].g >> q[i].k;
		q[i].size = q[i].k * q[i].g;
	}
	int x, y;
	cin >> x >> y;
	for (int i = 0; i < n; i++)
	{
		if(puanduan(q[i], x, y))
		{
###### 			**if (q[max].size() < q[i].size())**
				max = i;
		}
	}
	if (max == 0)
		cout << -1;
	else
		cout << max;

}

求助各位大佬为什么加星号那行的判断报错了呢，说是明显调用前的表达式的括号必须具有指针（函数），上网查也没查明白