func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MOD = 1000000007;   void solve() {     long long n;     cin >> n;     vector<long long> v(n);     for (long long i = 0; i < n; ++i) {       cin >> v[i];     }     long long ans = 0;     map<long long, long long> mp;     for (long long i = 0; i < n; i++) {       map<long long, long long> tp;       long long cur = 0;       for (long long j = i + 1; j < n; j++) {         if (v[j] == v[i]) ans += cur;         tp[v[j]]++;         if (mp.count(v[j])) cur += mp[v[j]];       }       mp[v[i]]++;     }     cout << ans <<   n ;   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr);     long long t = 1;     cin >> t;     while (t--) solve();     return 0;   }   