/*
Mayoeba Yabureru
*/
#include<bits/stdc++.h>
using namespace std;
long long offset, last_offset;
struct Node {
long long valuel = -1, valuer = -1, lazy = -1e17;
long long left = -1, right = -1, lx, rx, mid;
Node(long long a, long long b) {
lx = a, rx = b;
mid = (lx + rx) / 2;
}
};
vector<Node> st;
void create(int node) {
if(st[node].left == -1) {
st[node].left = st.size();
st.push_back(Node(st[node].lx, st[node].mid));
st[node].right = st.size();
st.push_back(Node(st[node].mid + 1, st[node].rx));
}
}
void push(int node, long long l, long long r) {
if (st[node].lazy == -1e17) return;
st[node].valuel = st[node].valuer = st[node].lazy;
if (l != r) {
int left = st[node].left, right = st[node].right;
st[left].lazy = max(st[node].lazy, st[left].lazy);
st[right].lazy = max(st[node].lazy, st[right].lazy);
}
st[node].lazy = -1e17;
}
void update(long long x, long long y, long long val, int node = 0) {
long long l = st[node].lx, r = st[node].rx;
if (l != r) create(node);
push(node, l, r);
long long left = st[node].valuel + last_offset;
if (st[node].valuel == -1) left = l + last_offset;
long long right = st[node].valuer + last_offset;
if (st[node].valuer == -1) right = r + last_offset;
if (right < x || y < left) return;
if (x <= left && right <= y) {
st[node].lazy = val - offset;
push(node, l, r);
return;
}
update(x, y, val, st[node].left);
update(x, y, val, st[node].right);
st[node].valuel = st[st[node].left].valuel;
st[node].valuer = st[st[node].right].valuer;
}
long long get(long long l, long long r, int node = 0) {
long long left = st[node].lx, right = st[node].rx;
if (left != right) create(node);
push(node, left, right);
if (l <= st[node].lx && st[node].rx <= r) return st[node].valuel;
if (l <= st[node].mid) return get(l, r, st[node].left);
return get(l, r, st[node].right);
}
int l, n, x, m;
vector<int> s;
vector<pair<long long, int>> buses;
vector<vector<pair<long long, int>>> times;
vector<vector<pair<long long, long long>>> max_times;
long long arrival_time(long long time) {
long long val = get(time, time), ans = val + offset;
if (val == -1) ans = time + offset;
return ans;
}
void init(int L, int N, std::vector <long long> T, std::vector <int> W, int X, int M, std::vector <int> S) {
st.push_back(Node(0, 1e18));
l = L, n = N, x = X, m = M, s = S;
for (int i = 0; i < N; i ++) {
if (W[i] < X) continue;
buses.push_back({T[i], W[i]});
}
n = buses.size();
times.push_back(buses);
vector<pair<long long, long long>> bb;
max_times.push_back(bb);
for (int i = 1; i < m; i ++) {
sort(times[i - 1].begin(), times[i - 1].end());
long long max_time = 0, delta_time = S[i] - S[i - 1];
vector<pair<long long, int>> a;
vector<pair<long long, long long>> b;
for (int j = 0; j < n; j ++) {
long long past_time = times[i - 1][j].first, speed = times[i - 1][j].second;
long long time = past_time + speed * delta_time;
max_time = max(max_time, time);
a.push_back({max_time, speed});
b.push_back({past_time, max_time});
}
times.push_back(a);
max_times.push_back(b);
}
for (int i = 1; i < m; i ++) {
long long delta_time = S[i] - S[i - 1];
offset += delta_time * x;
for (int j = n - 1; j >= 0; j --) {
long long time = max_times[i][j].second, left = max_times[i][j].first + 1, right = time - x * delta_time;
update(left, right, time);
}
last_offset += delta_time * x;
}
}
