import java.io.*;
import java.util.ArrayList;
public class Main {
static ArrayList<PRINTER> queue;
static int print(PRINTER search_pri){
PRINTER empty= new PRINTER();
PRINTER remove = empty;
int count = 0;
while(!remove.equals(search_pri)) {
if(big_search()) {
remove = queue.remove(0);
queue.add(remove);
remove = empty;
}else{
remove = queue.remove(0);
count++;
}
}
return count;
}
static boolean big_search(){
for (PRINTER printer : queue)
if (queue.get(0).getImportance() < printer.getImportance())
return true;
return false;
}
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int repeat_count = Integer.parseInt(br.readLine());
int queue_len;
int search_idx;
int[] ints;
for (int i = 0; i < repeat_count; i++) {
ints = InputToInt(br.readLine().trim().split(" "));
queue_len = ints[0];
search_idx = ints[1];
ints = InputToInt(br.readLine().trim().split(" "));
queue = new ArrayList<>();
for (int j = 0; j < queue_len; j++) {
queue.add(new PRINTER(ints[j]));
}
int count = print(queue.get(search_idx));
System.out.println(count);
}
}
static int[] InputToInt(String[] s){
int[] n = new int[s.length];
for (int i = 0; i < n.length; i++) {
n[i] = Integer.parseInt(s[i]);
}
return n;
}
static class PRINTER{
private final int importance;
public PRINTER() {
this(0);
}
public PRINTER(int importance) {
this.importance = importance;
}
public int getImportance() {
return importance;
}
}
}