#include "towers.h"
#include<bits/stdc++.h>
using namespace std;
const int lim = 1e5 + 5;
template<class T>void maximize(T& a, T b){
if(a < b){
a = b;
}
}
int n, h[lim];
void init(int N, vector<int>H) {
n = N;
for(int i = 0; i < n; i++){
h[i + 1] = H[i];
}
}
int max_towers(int l, int r, int d) {
vector<int>dp(n + 1, 1);
l++;
r++;
for(int i = l + 1; i <= r; i++){
for(int j = i - 1, cur_max = 0; j >= l; maximize(cur_max, h[j--])){
if(cur_max - d >= max(h[i], h[j])){
maximize(dp[i], dp[j] + 1);
}
}
}
return *max_element(dp.begin(), dp.end());
}
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