func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     long long n;     cin >> n;     vector<long long> ar(n + 1, 1e10);     vector<long long> cur(n + 1, 1);     for (long long i = 1; i <= n; i++) {       cin >> ar[i];       if (ar[i] == ar[i - 1]) cur[i] = cur[i - 1] + 1;     }     long long ans = 0;     for (long long i = 1; i <= n; i++) ans += cur[i];     cout << ans;   }   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     ;     long long t = 1;     while (t--) solve();     return 0;   }   