#include "seats.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> r;
std::vector<int> c;
int mr=1e9;
int mc=1e9;
int mmc,mmr;
map<pair<int,int>,bool> st;
bool check(int l){
for(int i=mr; i<=mmr; i++) {
for(int j=mc; j<=mmc; j++) {
if(!st[{i,j}]) {
return false;
}
}
}
return true;
}
int h,w;
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
r=R;
c=C;
h=H;
w=W;
}
int swap_seats(int a, int b) {
mr=1e9; mc=1e9;
mmc=0; mmr=0;
st.clear();
swap(r[a],r[b]);
swap(c[a],c[b] );
int cnt=0;
for(int i=0; i<=h*w-1; i++) {
mr=min(mr,r[i]);
mmr=max(mmr,r[i]);
mc=min(mc,c[i]);
mmc=max(mmc,c[i]);
st[{r[i],c[i]}]=1;
if(check(i)) {
cnt++;
}
}
return cnt;
}
