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#include <bits/stdc++.h>
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using namespace std;
template <class T>
using Ve = vector<T>;
#define ALL(v) (v).begin(), (v).end()
#define pii pair<ll, ll>
#define rep(i, a, b) for(ll i = (a); i <= (b); ++i)
#define per(i, a, b) for(ll i = (a); i >= (b); --i)
#define pb push_back
bool Mbe;
ll read() {
    ll x = 0, f = 1; char ch = getchar();
    while(ch < '0' || ch > '9') {if(ch == '-') f = -1; ch = getchar();}
    while(ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getchar();
    return x * f;
}
void write(ll x) {
    if(x < 0) putchar('-'), x = -x;
    if(x > 9) write(x / 10);
    putchar(x % 10 + '0');
}
const ll N = 2e6 + 9;
ll n, a[N], ans, stk[N], top, pre[N], bin[N];
bool Med;
int main() {
    cerr << fabs(&Med - &Mbe) / 1048576.0 << "MB\n";
    n = read();
    rep(i, 1, n) a[i] = a[i + n] = read();
    rep(i, 1, n * 2) {
        while(top && a[stk[top]] < a[i]) --top;
        pre[i] = stk[top], stk[++top] = i;
    }
    ll r = 0, cnt = 0;
    rep(l, 1, n) {
        while(r < l + n - 1) {
            ++r;
            if(pre[r] < l) ++cnt;
            bin[pre[r]]++;
        }
        ans = max(ans, cnt);
        --cnt, bin[pre[l]]--;
        cnt += bin[l];
    }
    write(ans), putchar('\n');
    cerr << "\n" << clock() * 1.0 / CLOCKS_PER_SEC * 1000 << "ms\n";
    return 0;
}