#include "quality.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vb = vector<bool>;
using vvb = vector<vb>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vc = vector<char>;
using vvc = vector<vc>;
using vs = vector<string>;
const ll mod = 1e9 + 7,inf = 1e18;
#define pb push_back
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
bool is(int n,int m,int mid,int g[3001][3001],int h,int w)
{
vvi p(n + 1,vi(m + 1));
for (int i = 1;i<=n;i++)for (int j = 1;j<=m;j++){
p[i][j] = p[i - 1][j] + p[i][j - 1] - p[i - 1][j - 1];
if (g[i - 1][j - 1] > mid)p[i][j]++;
else if (g[i - 1][j - 1] < mid)p[i][j]--;
}
for (int i = 1;i + h - 1 <=n;i++)
for (int j = 1;j + w - 1 <= m;j++){
if (p[i + h - 1][j + w - 1] - p[i + h - 1][j - 1] - p[i - 1][j + w - 1] + p[i - 1][j - 1] <= 0){
return true;
}
}
return false;
}
int rectangle(int n, int m, int h, int w, int Q[3001][3001]) {
int l = 0,r = 1e9,ans = 1e9;
while (l <= r){
int mid = (l + r)/2;
if (is(n,m,mid,Q,h,w)){ans = mid;r = mid - 1;}
else l = mid + 1;
}
return ans;
}
