제출 #405813

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
405813		fadi57	지구 온난화 (NOI13_gw)	C++14	0 / 40	693 ms	55060 KiB

gw

#include<bits/stdc++.h>
using namespace std;
const int mx=1000001;
typedef long long ll;
int inf=1e9+10;
const int mod=1e9+7;
int n,m,k;
vector<pair<ll,int>>v;
vector<pair<ll,ll>>adj[mx];
ll best[mx];
int vis[mx];
ll ans=0;
ll a[mx];
int main(){

   cin>>n;
   a[0]=-1;
   a[n+1]=-1;
   for(int i=1;i<=n;i++){
    cin>>a[i];
    v.push_back({a[i],i});
   }
   sort(v.begin(),v.end());
   int cur=0;
   int ans=0;
   map<int,int>mp;
   if(v[n-1].first>0){
    ans=1;cur=1;
   }
   for(int i=0;i<n;i++){
        int me=v[i].second;
    if((a[me+1]>a[me])&&(a[me-1]>a[me])){
        cur++;
    }else if(a[me-1]>a[me]){
    mp[me]=1;

     }else if(a[me-1]==a[me]){

     mp[me]=mp[me-1];
     if(a[me+1]>a[me]&&mp[me]){
        cur++;
     }

     }
    ans=max(ans,cur);

   }
   cout<<ans;


 }

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