This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
// Make the best become better
// No room for laziness
#include<bits/stdc++.h>
#define int long long
#define pb push_back
#define fi first
#define se second
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 2e5 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18;
int n, a[maxN];
vector<int> pos[maxN];
const int block_size = 2000;
void ReadInput()
{
cin >> n;
vector<int> vc;
for(int i=1; i<=n; i++)
{
cin >> a[i];
vc.pb(a[i]);
}
sort(vc.begin(), vc.end());
vc.erase(unique(vc.begin(), vc.end()), vc.end());
for(int i=1; i<=n; i++)
a[i] = upper_bound(vc.begin(), vc.end(), a[i]) - vc.begin();
for(int i=1; i<=n; i++)
pos[a[i]].pb(i);
}
void Solve()
{
int res = 0;
for(int i=1; i<=n; i++)
{
map<int, int> mp;
int _max = 0;
for(int j=i; j<=n; j++)
{
mp[a[j]]++;
_max = max(_max, mp[a[j]]);
if(_max > (j - i + 1) / 2) res++;
}
}
cout << res;
}
int32_t main()
{
//freopen("sol.inp", "r", stdin);
//freopen("sol.ans", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
ReadInput();
Solve();
}
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