Submission #1353240

#TimeUsernameProblemLanguageResultExecution timeMemory
1353240vako_pGlobal Warming (NOI13_gw)C++20
13 / 40
656 ms70884 KiB
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define sd second
#define debug(x) cerr << #x << " ----> " << x << endl;

const int mxN = 1e6 + 5;
ll n,a[mxN];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n;
	set<pair<ll,ll>> s;
	for(int i = 1; i <= n; i++){
		cin >> a[i];
		s.insert({a[i], i});
	}
	ll ans = 1,curr = 1;
	for(auto it : s){
		ll i = it.sd;
		curr--;
		if(i < n and a[i] <= a[i + 1]) curr++;
		if(i > 1 and a[i] < a[i - 1]) curr++;
		ans = max(ans, curr);
	}
	cout << ans;
}
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