#include <bits/stdc++.h>
using namespace std;

int main()
{
    ios::sync_with_stdio(0); cin.tie(0);
    int t;
    cin>>t;
    while(t--)
    {
        int n, m;
        cin>>n>>m;

        queue < pair <int, int> > Q;        // Q.first = priority, Q.second = index
        priority_queue <int> PQ;

        for(int i = 0; i < n; i++)
        {
            int p;
            cin>>p;
            Q.push({p, i});
            PQ.push(p);
        }

        int time = 1;
        while(1)
        {
            pair <int,int> F = Q.front();
            if(F.first < PQ.top())
            {
                Q.pop();
                Q.push(F);
            }
            else
            {
                if(F.second == m)
                {
                    cout<<time<<"\n";
                    break;
                }
                else
                {
                    time++;
                    Q.pop();
                    PQ.pop();
                }
            }
        }
    }
    return 0;
}