#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef double ld;
void debug_out(){cerr<<endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
cerr << H << ' ';
debug_out(T...);
}
#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)
ll count_rectangles(vector<vector<int>> a) {
int n = a.size();
int m = a[0].size();
ll ans = 0;
for (int i = 1; i < n; i++){
for (int j = 1; j < m; j++){
for (int k = i; k + 1 < n; k++){
for (int l = j; l + 1 < m; l++){
bool flg = true;
for (int i2 = i; i2 <= k; i2++){
for (int j2 = j; j2 <= l; j2++){
if (min({a[i-1][j2], a[k+1][j2], a[i2][j-1], a[i2][l+1]}) <= a[i2][j2]) flg = false;
}
}
ans += flg;
}
}
}
}
return ans;
}
