别看我dontseeit

#include 
#include 
#include 
using namespace std;

class Solution {
public:
    int maxCount(int m, int n, vectorint>> v2) {
        int min1 = m;
        int min2 = n;
        for (int i = 0; i < sizeof(v2); ++i) {
            if (v2[i][0] < min1)
            {
                min1 = v2[i][0];
            }
            if (v2[i][1] < min2)
            {
                min2 = v2[i][1];
            }
        }
        return min1 * min2;
    }
};

int main() 
{
    int p, s;
    int row,column;
    int result;
    vectorint>> v1;
    cout << "Please input m , n:" << " " << endl;
    cin >> p >> s;
    cout << "Please input the row and column of the vector:" << " " << endl;
    cin >> row >> column;
    cout << "Please input contents of the vector:" << " " << endl;
    for (int x = 0; x < row; x++) 
    {
        for (int y = 0; y < column; y++)
        {
            cin >> v1[x][y];
        }
    }
    Solution test;
    result = test.maxCount(p, s, v1);
    cout << "maxCount = " << result;
    return 0;
}

啥问题啊？