#include <bits/stdc++.h>
using namespace std;
#define MP make_pair
#define FF first
#define SS second
const int inf = 2000000011;
const pair<int,int> def = MP(-inf, inf);
int N, Q;
pair<int,int> T[8000000];
void init(int t = 1, int tl = 0, int tr = N - 1) {
if (tl == 0 && tr == N - 1)
T[t] = MP(0, 0);
else
T[t] = def;
if (tl == tr) return;
int tm = (tl + tr) >> 1;
init(t << 1, tl, tm);
init(t << 1 | 1, tm + 1, tr);
}
pair<int,int> push(pair<int,int> a, pair<int,int> b) {
if (a.SS < b.FF)
return MP(a.SS, a.SS);
if (b.SS < a.FF)
return MP(a.FF, a.FF);
return MP(max(a.FF, b.FF), min(a.SS, b.SS));
}
void pushdown(int t) {
if (T[t] != def) {
T[t << 1] = push(T[t], T[t << 1]);
T[t << 1 | 1] = push(T[t], T[t << 1 | 1]);
T[t] = def;
}
}
void update(int l, int r, pair<int,int> v, int t = 1, int tl = 0, int tr = N - 1) {
if (r < tl || tr < l)
return;
if (l <= tl && tr <= r) {
T[t] = push(v, T[t]);
return;
}
if (tl != tr)
pushdown(t);
int tm = (tl + tr) >> 1;
update(l, r, v, t << 1, tl, tm);
update(l, r, v, t << 1 | 1, tm + 1, tr);
}
void pushall(int* ans, int t = 1, int tl = 0, int tr = N - 1) {
if (tl == tr) {
ans[tl] = T[t].FF;
return;
}
else
pushdown(t);
int tm = (tl + tr) >> 1;
pushall(ans, t << 1, tl, tm);
pushall(ans, t << 1 | 1, tm + 1, tr);
}
void buildWall(int n, int k, int* op, int* lb, int* rb, int* h, int* ans) {
N = n, Q = k;
init();
for (int q = 0; q < Q; q++) {
pair<int,int> v = def;
if (op[q] == 1) v.FF = h[q];
else if (op[q] == 2) v.SS = h[q];
update(lb[q], rb[q], v);
}
pushall(ans);
}
int n, q, op[500005], lb[500005], rb[500005], h[500005], ans[500005];
