#include "seats.h"
#include <bits/stdc++.h>
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
using namespace std;
using ll = long long;
const ll N = 1e6+5 , inf = 2e9 + 7;
const ll INF = 1e18 , mod = 1e9+7;
vector<int> a[N];
int n , m;
pair<int,int> pos[N];
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
for(int i = 0; i <= H+1; i++){
a[i].resize(W+9);
}
n = H , m = W;
for(int i = 0; i < n*m; i++){
R[i]++;
C[i]++;
pos[i] = {R[i],C[i]};
}
}
int swap_seats(int a, int b) {
swap(pos[a],pos[b]);
int ans = 0;
int mnx = n , mny = m , mxx = 1 , mxy = 1;
for(int i = 0; i < n*m; i++){
mnx = min(mnx , pos[i].F);
mny = min(mny , pos[i].S);
mxx = max(mxx , pos[i].F);
mxy = max(mxy , pos[i].S);
if(i+1 == (mxx-mnx+1) * (mxy-mny+1)){
ans++;
}
}
return ans;
}
