#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll linf = ll(1e18);
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> p2;
#define rep(i, high) for (int i = 0; i < high; i++)
#define repp(i, low, high) for (int i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define sz(container) ((int)container.size())
#define all(x) begin(x),end(x)
#if _LOCAL
#define assert(x) if (!(x)) __debugbreak()
#endif
typedef vector<ll> vll;
struct node
{
int best, l, r;
int mid;
node *lc, *rc;
};
vll h;
int n;
node* build_tree(int l, int r)
{
return 0;
}
ll solve(int l, int r)
{
if (l > r) return 0;
if (l==r)
{
return h[l];
}
ll largest = 0;
repp(i, l, r + 1) largest = max(largest, h[i]);
ll ret = (r - l + 1) * largest;
vll lindex;
repp(i, l, r + 1) if (h[i] == largest) lindex.push_back(i);
lindex.insert(lindex.begin(), l - 1);
lindex.push_back(r + 1);
ll tot_len = r - l + 1;
repp(i, 1, sz(lindex))
{
ll interval_len = (lindex[i]-1) - (lindex[i - 1]+1) + 1;
ret = min(ret, (tot_len - interval_len) * largest + solve(lindex[i - 1] + 1, lindex[i] - 1));
}
return ret;
}
vll minimum_costs(vi H, std::vector<int> L, std::vector<int> R)
{
h = vll(H.begin(), H.end());
n = sz(h);
build_tree(0, n - 1);
int q = sz(L);
vll ret(q);
rep(qu, q)
{
int l = L[qu];
int r = R[qu];
ret[qu] = solve(l, r);
}
return ret;
}
