This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#include "towers.h"
#define pb push_back
#define ll long long
#define fi first
#define se second
const int nax=1e5+5;
int n;
vector<int> tab;
void init(int N, std::vector<int> H) {
n=N;
for (int i = 0; i < N; ++i)
{
tab.pb(H[i]);
}
}
int max_towers(int L, int R, int D){
int dp[n];
int ans=0;
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> pq;
int cnt=0;
for (int i = L; i <= R; ++i)
{
dp[i]=cnt+1;
while(!pq.empty()){
auto cur=pq.top();
if(tab[i]-cur.fi>=D){
pq.pop();
cnt=max(cnt,cur.se);
}else break;
}
pq.push({tab[i],dp[i]});
ans=max(ans,dp[i]);
}
return ans;
}
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