#include "towers.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
void debug_out(){cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
cerr << H << ' ';
debug_out(T...);
}
#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)
const int maxn = 1e5 + 10;
const int lg = 20;
int n, x, h[maxn], part[maxn];
void init(int N, std::vector<int> H) {
n = N;
for (int i = 0; i < n; i++){
h[i] = H[i];
}
for (int i = 1; i + 1 < n; i++){
if (h[i] < h[i-1] && h[i] < h[i+1]) part[i]++;
}
for (int i = 1; i < n; i++){
part[i] += part[i-1];
}
}
int max_towers(int L, int R, int D) {
if (R-L <= 1) return 1;
return part[R-1] - part[L] + (h[L] < h[L+1]) + (h[R] < h[R-1]);
}
