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#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define endl "\n"
 
const double PI = 3.14159265358979;
const ll INF =  1e18 + 7;
const ll MOD = 1e9 + 7;
const ll nax = 1000006;
const int LOG = 25;


int freq[nax];

void solve() {
    int n, k;
    cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }

    ll ans = 0;
    int tail = 0, head = -1, distinct = 0;

    while(tail < n) {
        while(head + 1 < n && ((distinct + (freq[a[head + 1]] == 0)) <= k)) {
            head++;
            freq[a[head]]++;
            if (freq[a[head]] == 1) {
                distinct++;
            }
        }
        
        int length = head - tail + 1;
        if (length > 0) {
            ans +=  length;
        }

        if (tail <= head) {
            freq[a[tail]]--;
            if (freq[a[tail]] == 0) {
                distinct--;
            }
            tail++;
        } else {
            tail++;
            head = tail - 1;
        }
    }

    cout << ans << endl;
}

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

    memset(freq, 0, sizeof(freq));
    int t; cin >> t; while(t--)
    solve();
    return 0;
}
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