#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define FAST ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define INF INT_MAX
#define ff first
#define ss second
#define all(v) v.begin(),v.end()
#define nl "\n"
using namespace std;
const ll MOD = 1e9+7;
const int mxN = 2e5+1;
int main()
{
FAST
//==================
ll t = 1 ;
cin >> t;
while(t--){
ll n; cin >> n;
ll a[n] ;
set<int> s;
for(int i=0; i<=n;i++)s.insert(i);
map<int,int> m ;
int pos = -1 ;
ll ans[n];
for(int i=0;i<n;i++){
cin >> a[i];
if(a[i] == 0)pos = i;
m[a[i]] = i;
}
ll fin =0 ;
for(int i=pos;i<n;i++){
s.erase(s.find(a[i]));
fin+= *s.begin();
ans[i] = fin;
}
for(int i=pos-1;i>=0;i--){
if(m[a[i]-1]>=pos){
fin+= ans[m[a[i]-1]];
s.erase(s.find(a[i]));
fin+=(*s.begin());
}else{
fin+= ans[n-1];
s.erase(s.find(a[i]));
}
}
cout << fin << nl;
}
}
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