#include <bits//stdc++.h>
#include "wall.h"
using namespace std;
#define ll int
#define iloop(m, h) for (auto i = m; i != h; i += (m < h ? 1 : -1))
#define INF 1000000000000000
struct node {
ll s, e, m, l1, l2;
node *l, *r;
node (ll S, ll E) {
s = S, e = E, m = (S+E)>>1;
l1 = 0, l2 = INF;
if (s != e) {
l = new node(s, m);
r = new node(m+1, e);
}
}
void prop() {
if (s != e) {
l->l2 = min(l->l2, l2);
l->l1 = max(min(l->l1, l2), l1);
r->l2 = min(r->l2, l2);
r->l1 = max(min(r->l1, l2), l1);
l1 = 0, l2 = INF;
}
}
void upd1(ll S, ll E, ll V) {
prop();
if (s == S && e == E) {
l1 = max(l1, V);
return;
}
if (E <= m) l->upd1(S, E, V);
else if (S > m) r->upd1(S, E, V);
else l->upd1(S, m, V), r->upd1(m+1, E, V);
}
void upd2(ll S, ll E, ll V) {
prop();
if (s == S && e == E) {
l2 = min(l2, V);
l1 = min(l1, V);
return;
}
if (E <= m) l->upd2(S, E, V);
else if (S > m) r->upd2(S, E, V);
else l->upd2(S, m, V), r->upd2(m+1, E, V);
}
ll qu(ll X) {
prop();
if (s == e) return l1;
if (X <= m) return l->qu(X);
return r->qu(X);
}
} *root = new node(0, 2e6);
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
iloop(0, k) {
if (op[i] == 1) root->upd1(left[i], right[i], height[i]);
else root->upd2(left[i], right[i], height[i]);
//cout << i << endl;
//iloop(0, n) cout << root.qu(i).first << " ";
//cout << endl;
}
iloop(0, n) finalHeight[i] = root.->u(i);
}
