#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 5;

int n, a[N];

int main()
{
#ifndef ONLINE_JUDGE
    freopen("input.in", "r", stdin);
#endif
    int t;
    scanf("%d", &t);
    while(t--){
        scanf("%d", &n);
        for(int i = 0 ; i < n ; ++i)
            scanf("%d", a + i);
    
        sort(a, a + n);
    
        if(a[0] == a[n - 1]){
            printf("%lld\n", (1LL * n * (n - 1LL)));
            continue;
        }
    
        int mn = 0, mx = n - 1;
    
        while(a[0] == a[mn])
            ++mn;
    
        while(a[n - 1] == a[mx])
            --mx;
    
        long long l = mn;
        long long r = n - mx - 1;
    
    
        printf("%lld\n", 2LL * l * r);
    }
}

#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,no-stack-protector,fast-math")
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define IO ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
using namespace std;
const int N = 1e5 + 5, M = 1e5 + 5;

int n, m;
int mn[N];

int main()
{
#ifndef ONLINE_JUDGE
    freopen("input.in", "r", stdin);
#endif
    int t;
    scanf("%d", &t);
    while(t--){
        scanf("%d %d", &n, &m);
        for(int i = 1 ; i <= n ; ++i)
            mn[i] = n;
    
        for(int i = 0 ; i < m ; ++i){
            int x, y;
            scanf("%d %d", &x, &y);
            
            if(x > y)
                swap(x, y);
                
            mn[x] = min(mn[x], y - 1);
        }
    
        for(int i = n - 1 ; i ; --i)
            mn[i] = min(mn[i], mn[i + 1]);
    
        ll ans = n;
        for(int i = 0 ; i < n ; ++i)
            ans += (mn[i] - i);
    
        printf("%lld\n", ans);
    }
}

#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 5, M = 2 * N + 5;

bool vis[N], ans;

void Sieve(){
    memset(vis, true, sizeof(vis));
    
    vis[0] = vis[1] = false;
    for(int i = 4 ; i < N ; i += 2)
        vis[i] = false;
    for(int i = 3 ; i < N / i ; i += 2){
        if(!vis[i])continue;
        for(int j = i * i ; j < N ; j += i + i)
            vis[j] = false;
    }
}

int in[N], vid;
vector<int> primes;

void Gen(){
    for(int i = 2 ; i < N ; ++i)
        if(vis[i])
            primes.emplace_back(i);
}

set<int> st;

void check(int x){
    if(in[x] == vid){
        ans = true;
        return;
    }

    in[x] = vid;
}

void fact(int x){

    if(x < N && vis[x] == true){
        check(x);
        return;
    }

    int idx = 0, sz = primes.size();

    while(x > 1 && idx < sz && x / primes[idx] >= primes[idx]){

        if(x % primes[idx] == 0){
            check(primes[idx]);
            while(x % primes[idx] == 0)x /= primes[idx];
        }

        ++idx;
    }

    if(x > 1){
        if(x < N)
            return check(x), void();

        if(st.find(x) != st.end()){
            ans = true;
            return;
        }

        st.emplace(x);
    }
}

void pre(){
    ++vid;
    st.clear();
}

int main(){
    Sieve();
    Gen();

    int t;
    scanf("%d", &t);
    while(t--){
        pre();
        
        int n;
        scanf("%d", &n);
        
        ans = false;
        
        while(n--){
            int x;
            scanf("%d", &x);
            fact(x);
        }
        
        puts(ans ? "YES" : "NO");
    }
    
}

#include <bits/stdc++.h>

using namespace std;

void dfs(int v, vector<vector<int>> &g, vector<vector<int>> &go, vector<vector<pair<int, int>>> &kek, int s, int t = -1, int p = -1, int len = 0){
    if(len == 1)
        t = v;

    if(len > 1)
        go[s][v] = t;

    kek[len].push_back({s, v});

    for(int u : g[v])
        if(u != p)
            dfs(u, g, go, kek, s, t, v, len + 1);
}

void Solve(){
    int n; cin >> n;
    string a; cin >> a;

    vector<vector<int>> g(n);
    vector<vector<int>> go(n, vector<int>(n));
    vector<vector<pair<int, int>>> kek(n);
    vector<vector<int>> dp(n, vector<int>(n));

    for(int i = 0; i < n - 1; i++){
        int v, u;
        cin >> v >> u;
        g[--v].push_back(--u);
        g[u].push_back(v);
    }

    for(int v = 0; v < n; v++)
        dfs(v, g, go, kek, v);

    for(int len = 0; len < n; len++){
        for(auto p : kek[len]){
            int v = p.first;
            int u = p.second;

            if(len == 0){
                dp[v][u] = 1;
            }else if(len == 1){
                dp[v][u] = 1 + (a[v] == a[u]);
            }else{
                int x = dp[v][go[u][v]];
                int y = dp[go[v][u]][u];
                int z = dp[go[v][u]][go[u][v]] + ((a[v] == a[u]) << 1);
                dp[v][u] = max({x, y, z});
            }
        }
    }

    int ans = 0;

    for(int v = 0; v < n; v++)
        for(int u = 0; u < n; u++)
            ans = max(ans, dp[v][u]);

    cout << ans << '\n';
}

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

    int test = 1;
    cin >> test;
 
    for(int i = 1; i <= test; i++)
        Solve();
}

pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,no-stack-protector,fast-math")

include <bits/stdc++.h>

define ll long long

define ld long double

define IO ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);

using namespace std;

const int N = 4e2 + 5;

int n, m; char a[N][N];

int upM[N][N]; int upB[N][N];

int downM[N][N]; int downB[N][N];

int _get(int I, int j, int incI, char ch){ int i = I + incI;

while(i >= 0 && i < n){
    if(a[i][j] == '#')
        break;

    if(a[i][j] == ch)
        break;

    i += incI;
}

return i;

}

int _getCount(int i, int j){ if(a[i][j] == 'm') return 1;

return (a[i][j] == '.' ? 0 : 10);

}

/**

1 2 4 8 UL DL UR DR

*/

int getU(int i, int j, int bt){ if(!bt) return max(upM[i][j], upB[i][j]) + 1;

int cur = upM[i][j];

if(cur == -1 || a[cur][j] == '#')
    return cur + 1;

cur = upM[cur][j];

return cur + 1;

}

int getD(int i, int j, int bt){ if(!bt) return min(downM[i][j], downB[i][j]) — 1;

int cur = downM[i][j];

if(cur == n || a[cur][j] == '#')
    return cur - 1;

cur = downM[cur][j];

return cur - 1;

}

int solve(int i, int l, int r, int msk){ int upL = getU(i, l, (msk & 1)); int downL = getD(i, l, (msk & 2));

int upR = getU(i, r, (msk & 4));
int downR = getD(i, r, (msk & 8));


int up = max(upL, upR);
int down = min(downL, downR);

if(up < i && down > i)
    return  2 * (down - up + 1) + (r - l - 1);

return 0;

}

int main() {

ifndef ONLINE_JUDGE

freopen("input.in", "r", stdin);

endif

scanf("%d %d", &n, &m);
for(int i = 0 ; i < n ; ++i)
    scanf("%s", a + i);

for(int i = 0 ; i < n ; ++i){
    for(int j = 0 ; j < m ; ++j){
        if(a[i][j] == '#')
            continue;

        upM[i][j] = _get(i, j, -1, 'm');
        upB[i][j] = _get(i, j, -1, '#');

        downM[i][j] = _get(i, j, 1, 'm');
        downB[i][j] = _get(i, j, 1, '#');
    }
}

int mx = 0;
for(int i = 0 ; i < n ; ++i){
    for(int j = 0 ; j + 2 < m ; ++j){

        int cnt = _getCount(i, j) + _getCount(i, j + 1);
        for(int k = j + 2 ; k < m ; ++k){
            if((cnt += _getCount(i, k)) > 1)
                break;

            mx = max(mx, solve(i, j, k, 0));

            if(cnt == 1)
                continue;

            mx = max(mx, solve(i, j, k, 1));
            mx = max(mx, solve(i, j, k, 2));
            mx = max(mx, solve(i, j, k, 4));
            mx = max(mx, solve(i, j, k, 8));
        }

    }
}

printf("%d\n", mx);

}

#include <bits/stdc++.h>

using namespace std;

const int p1 = 31;
const int p2 = 53;

unsigned long long pow1[32];
unsigned long long pow2[32];

struct Node{
    unsigned long long hsh = 0;
    Node *l = 0, *r = 0;
    bool was = false;
};

const int max_memory = 13e7;

int pos_memory = 0;
char memory[max_memory];
 
void* operator new(size_t n) {
    char *res = memory + pos_memory;
    pos_memory += n;
    assert(pos_memory <= max_memory);
    return (void*) res;
}
 
void operator delete(void *){}

Node * upd(Node *v, unsigned long long x, int i = 18){
    if(i == -1){
        Node *u = new Node();

        if(!v || v && !v->was){
            u->hsh = ((int(1e9) + 345) ^ x) * (3 * x + 654);
            u->was = true;
        }

        return u;
    }

    if(x & (1 << i)){
        Node *res = new Node();
        res->l = (v ? v->l : 0);
        res->r = upd((v ? v->r : 0), x, i - 1);
        unsigned long long a = (res->l ? res->l->hsh * pow1[i + 1] : 0);
        unsigned long long b = (res->r ? res->r->hsh * pow2[i + 1] : 0);
        res->hsh = a + b;
        return res;
    }else{
        Node *res = new Node();
        res->l = upd((v ? v->l : 0), x, i - 1);
        res->r = (v ? v->r : 0);
        unsigned long long a = (res->l ? res->l->hsh * pow1[i + 1] : 0);
        unsigned long long b = (res->r ? res->r->hsh * pow2[i + 1] : 0);
        res->hsh = a + b;
        return res;
    }
}

int get(Node *l, Node *r, int i = 18, int now = 0){
    if((l ? l->hsh : 0) == (r ? r->hsh : 0))
        return -1;

    if(i == -1)
        return now;

    if((l && l->l ? l->l->hsh : 0) == (r && r->l ? r->l->hsh : 0))
        return get((l ? l->r : 0), (r ? r->r : 0), i - 1, now + (1 << i));

    return get((l ? l->l : 0), (r ? r->l : 0), i - 1, now);
}

void Solve(){
    pow1[0] = 1;
    pow2[0] = 1;

    for(int i = 1; i <= 31; i++){
        pow1[i] = p1 * pow1[i - 1];
        pow2[i] = p2 * pow2[i - 1];
    }

    int n; cin >> n;
    vector<pair<int, int>> a(n);
    vector<int> mp(n + 1);

    {
        for(int i = 0; i < n; i++){
            cin >> a[i].first;
            a[i].second = i;
        }

        sort(a.begin(), a.end());
        map<int, int> kek;
        int now = 0;

        for(int i = 0; i < n; i++){
            if(a[i].first != (i ? a[i - 1].first : -1))
                now++;

            kek[a[i].first] = now;
        }

        sort(a.begin(), a.end(), [](pair<int, int> x, pair<int, int> y){ return x.second < y.second; });

        for(int i = 0; i < n; i++){
            int x = kek[a[i].first];
            mp[x] = a[i].first;
            a[i].first = x;
        }
    }

    vector<Node *> t(n + 1);

    t[0] = new Node();

    for(int i = 1; i <= n; i++){
        int x = a[i - 1].first;
        t[i] = upd(t[i - 1], x);
    }

    int q; cin >> q;
    
    int last = 0;

    while(q--){
        int a, b;
        cin >> a >> b;

        int l = (last ^ a);
        int r = (last ^ b);

        int kek = get(t[l - 1], t[r]);
        int ans = (kek != -1 ? mp[kek] : 0);
        cout << ans << '\n';
        last = ans;
    }
}

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

    Solve();
}

#pragma optimize("SEX_ON_THE_BEACH")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("unroll-all-loops")
#pragma GCC optimize("O3")
 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("fast-math")
//#define _FORTIFY_SOURCE 0 
#pragma GCC optimize("no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native") 

#include<bits/stdc++.h>
#include <x86intrin.h>

using uint = unsigned int;
using ll = long long int;
using ull = unsigned long long int;
using dd = double;
using ldd = long double;
using pii = std::pair<int, int>;
using pll = std::pair<ll, ll>;
using pdd = std::pair<dd, dd>;
using pld = std::pair<ldd, ldd>;

namespace fast {
    template<typename T>
    T gcd(T a, T b) {
        return gcd(a, b);
    }

    template<>
    unsigned int gcd<unsigned int>(unsigned int u, unsigned int v) {
        int shift;
        if (u == 0)
            return v;
        if (v == 0)
            return u;
        shift = __builtin_ctz(u | v);
        u >>= __builtin_ctz(u);
        do {
            unsigned int m;
            v >>= __builtin_ctz(v);
            v -= u;
            m = (int)v >> 31;
            u += v & m;
            v = (v + m) ^ m;
        } while (v != 0);
        return u << shift;
    }

    template<>
    unsigned long long gcd<unsigned long long>(unsigned long long u, unsigned long long v) {
        int shift;
        if (u == 0)
            return v;
        if (v == 0)
            return u;
        shift = __builtin_ctzll(u | v);
        u >>= __builtin_ctzll(u);
        do {
            unsigned long long m;
            v >>= __builtin_ctzll(v);
            v -= u;
            m = (long long)v >> 63;
            u += v & m;
            v = (v + m) ^ m;
        } while (v != 0);
        return u << shift;
    }
}
 
namespace someUsefull {
    template<typename T1, typename T2>
    inline void checkMin(T1& a, T2 b) {
        if (a > b)
            a = b;
    }
 
    template<typename T1, typename T2>
    inline void checkMax(T1& a, T2 b) {
        if (a < b)
            a = b;
    }

    template<typename T1, typename T2>
    inline bool checkMinRes(T1& a, T2 b) {
        if (a > b) {
            a = b;
            return true;
        }
        return false;
    }

    template<typename T1, typename T2>
    inline bool checkMaxRes(T1& a, T2 b) {
        if (a < b) {
            a = b;
            return true;
        }
        return false;
    }
}
 
namespace operators {
    template<typename T1, typename T2>
    std::istream& operator>>(std::istream& in, std::pair<T1, T2>& x) {
        in >> x.first >> x.second;
        return in;
    }
 
    template<typename T1, typename T2>
    std::ostream& operator<<(std::ostream& out, std::pair<T1, T2> x) {
        out << x.first << " " << x.second;
        return out;
    }
 
    template<typename T1>
    std::istream& operator>>(std::istream& in, std::vector<T1>& x) {
        for (auto& i : x) in >> i;
        return in;
    }
 
    template<typename T1>
    std::ostream& operator<<(std::ostream& out, std::vector<T1>& x) {
        for (auto& i : x) out << i << " ";
        return out;
    }
}
 
//name spaces
using namespace std;
using namespace operators;
using namespace someUsefull;
//end of name spaces
 
//defines
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define NO {cout << "NO"; return;}
#define YES {cout << "YES"; return;}
 
//end of defines
//#undef HOME
//debug defines
#ifdef HOME
    #define debug(x) cerr << #x << " " << (x) << endl;
    #define debug_v(x) {cerr << #x << " "; for (auto ioi : x) cerr << ioi << " "; cerr << endl;}
    #define debug_vp(x) {cerr << #x << " "; for (auto ioi : x) cerr << '[' << ioi.ff << " " << ioi.ss << ']'; cerr << endl;}
    #define debug_v_v(x) {cerr << #x << "/*\n"; for (auto ioi : x) { for (auto ioi2 : ioi) cerr << ioi2 << " "; cerr << '\n';} cerr << "*/" << #x << endl;}
    int jjj;
    #define wait() cin >> jjj;
    #define PO cerr << "POMELO" << endl;
    #define OL cerr << "OLIVA" << endl;
    #define gen_clock(x) cerr << "Clock " << #x << " created" << endl; ll x = clock(); 
    #define check_clock(x) cerr << "Time spent in " << #x << ": " << clock() - x << endl; x = clock();
    #define reset_clock(x) x = clock();
    #define say(x) cerr << x << endl;
#else
    #define debug(x) 0;
    #define debug_v(x) 0;
    #define debug_vp(x) 0;
    #define debug_v_v(x) 0;
    #define wait() 0;
    #define PO 0;
    #define OL 0;
    #define gen_clock(x) 0;
    #define check_clock(x) 0;
    #define reset_clock(x) 0;
    #define say(x) 0;
#endif // HOME

const int SIZE = 200000;
const int block = 64;
const int _size = (SIZE + 63) / 64;

struct bs {
    ull arr[_size];

    bs() {
        for (int i = 0; i < _size; ++i) arr[i] = 0;
    }

    bs& operator^=(bs &other) {
        #pragma GCC ivdep
        for (int i = 0; i < _size; ++i)
            arr[i] ^= other.arr[i];
        return *this;
    }

    int _Find_first_in_xor(bs& other) {
        ull t;
        for (int i = 0; i < _size; ++i) {
            if (t = arr[i] ^ other.arr[i]) {
                return (i << 6) + __builtin_ctzll(t);
            }
        }
        return SIZE;
    }

    int _Find_first() {
        for (int i = 0; i < _size; ++i) {
            if (arr[i]) {
                return (i << 6) + __builtin_ctzll(arr[i]);
            }
        }
        return SIZE;
    }

    void flip(int id) {
        ull &x = arr[id >> 6];
        id &= 63;
        x ^= ((ull)1 << id);
    }

    int size() {
        return SIZE;
    }

};


ostream& operator<<(ostream &os, bs &x) {
    for (int i = 0; i < _size; ++i) {
        os << x.arr[i] << " ";
    }
    return os;
}

void solve(int test) {
    int n;
    cin >> n;
    vector<int> arr(n);
    cin >> arr;
    vector<int> to(n);
    {
        map<int, int> have;
        for (int i : arr) have[i] = 0;
        int cnt = 0;
        for (auto &i : have) {
            i.ss = cnt;
            to[cnt] = i.ff;
            cnt++;
        }
        for (int &i: arr) i = have[i];
    }

    vector<vector<int>> blocks;
    for (int i = 0; i < n; i += block) {
        blocks.push_back({});
        for (int j = 0; i + j < n && j < block; ++j) {
            blocks.back().push_back(arr[i + j]);
        }
    }

    vector<bs> blocks_bs(blocks.size());
    for (int i = 0; i < blocks.size(); ++i) {
        for (int j : blocks[i]) {
            blocks_bs[i].flip(j);
        }
    }
    for (int i = 1; i < blocks.size(); ++i) {
        blocks_bs[i] ^= blocks_bs[i - 1];
    }

    int q;
    cin >> q;
    bs have;
    int last = 0;
    for (int i = 0; i < q; ++i) {
        int a, b;
        cin >> a >> b;

        int l = (last ^ a);
        int r = (last ^ b);

        // cin >> l >> r;
        --l;
        --r;
        int lb = l / block;
        int rb = r / block;
        if (rb - lb <= 1) {
            int L = l;
            while (l <= r) {
                have.flip(arr[l]);
                ++l;
            }
            int id = have._Find_first();

            int ans = (id == have.size() ? 0 : to[id]);
            last = ans;
            cout << ans << '\n';
            l = L;
            while (l <= r) {
                have.flip(arr[l]);
                ++l;
            }
        } else {
            int L = (lb + 1) * block;
            int old_l = l;
            int R = (rb + 1) * block;
            checkMin(R, n);
            int old_r = r;
            ++r;
            while (r < R) {
                blocks_bs[rb].flip(arr[r]);
                ++r;
            }
                        while (l < L) {
                blocks_bs[lb].flip(arr[l]);
                ++l;
            }
            int id = blocks_bs[rb]._Find_first_in_xor(blocks_bs[lb]);
            int ans = (id == have.size() ? 0 : to[id]);
            last = ans;
            cout << ans << '\n';
            r = old_r;
            ++r;
            while (r < R) {
                blocks_bs[rb].flip(arr[r]);
                ++r;
            }
            l = old_l;
            while (l < L) {
                blocks_bs[lb].flip(arr[l]);
                ++l;
            }
        }
    }
}
 
signed main() {
    ios_base::sync_with_stdio(false);
    cout.tie(0);
    cin.tie(0);
    //freopen("file.in", "r", stdin);
    //freopen("file.out", "w", stdout);
 
    int t = 1;
    //cin >> t;
    for (int i = 0; i < t; ++i) {
        solve(i+1);
        //cout << '\n';
        //PO;
    }
    return 0;
}
/*
*/