1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
#include <algorithm>
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define F first
#define S second
#define pii pair<int,int>
#define vi vector<int>
#define vpii vector<pii>

#define loop(i,n) sloop(0,i,n)
#define sloop(s, i, n) for(int i=(s);i<(n);i++)
#define rloop(i,n) rsloop(0,i,n)
#define rsloop(s,i,n) for(int i=(n);i-->(s);)

#define all(v) (v).begin(),(v).end()

#define nie {cout<<"No\n";return;}
#define tak {cout<<"Yes\n";return;}

#ifdef DEBUG
#define DBG cout << __LINE__ << endl;
#else 
#define DBG
#endif 

//int xses[8] = {-1,1,0,0,-1,1,1,-1};
//int yses[8] = {0,0,-1,1,-1,1,-1,1};

#define int ll

void solve()
{
	int n;
	cin>>n;
	vi v(n);
	loop(i,n)cin>>v[i];

	int m = max_element(all(v))-v.begin();
	int r = n-1-m;

	{
		vi tmp(n);
		loop(i,n){
			tmp[(i+r)%n]=v[i];
		}
		v=tmp;
	}

	int res=0;
	stack<int> s;
	for(int i=n-1;i>=0;i--){
		while(s.size()&&s.top()<=v[i])s.pop();
		s.push(v[i]);
		res = max(res,(int)s.size());
	}

	cout<<res<<'\n';


}

signed main()
{
	cin.tie(0);
	ios_base::sync_with_stdio(0);

	int t=1;


	//cin>>t;
	loop(i,t)
	{
	#ifdef DEBUG

		if(t!=1)
		{
			cout<<"Test no. "<<i+1<<endl;
		}
	#endif
	
		solve();
	}

	#ifdef DEBUG
	cout << '\n';
	#endif
	return 0;
}