제출 #1174386

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1174386		khangrl	Global Warming (NOI13_gw)	C++20	40 / 40	174 ms	31744 KiB

gw

#include<bits/stdc++.h>
#define ff first
#define ss second
#define int long long
#define pb push_back
using namespace std;
int n, h[1000005], mp[1000005];
vector <pair <int, int> > v;
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
	cin>>n;
	for(int i=1; i<=n; i++){
		cin>>h[i];
		v.pb({h[i], i});
	}
	sort(v.begin(), v.end());
	int cnt=0, ans=0;
	for(int i=n-1; i>0; i--){
		int idx=v[i].ss;
		if(mp[idx+1]+mp[idx-1]==0){
			cnt++;
		}
		if(mp[idx+1]+mp[idx-1]==2){
			cnt--;
		}
		mp[idx]=1;
		if(v[i].ff!=v[i-1].ff){
		    ans=max(cnt, ans);
		}
	}
	cout<<ans;
}

• Subtask 1: 6 / 6
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 10 / 10
• Subtask 5: 11 / 11