import java.util.*
 
data class Task(val num: Int, val priority: Int)
 
fun main() {
    val sc = Scanner(System.`in`)
 
    val sb = StringBuilder()
    val cnt = sc.nextLine().toInt()
    repeat(cnt) {
    	val pq = PriorityQueue<Int>(compareByDescending({ it }))
    	val q = LinkedList<Task>()
        val (n, m) = sc.nextLine().split(" ").map { it.toInt() }
        val token = StringTokenizer(sc.nextLine())
        repeat(n) {
            val priority = token.nextToken().toInt()
            pq.add(priority)
            q.addFirst(Task(num = it, priority = priority))
        }
 
        var current = 1
        while (q.isNotEmpty()) {
            val task = q.removeLast()
            if (task.priority == pq.peek()) {
                pq.poll()
                if (task.num == m) {
                    sb.append(current).append("\n")
                    break
                }
                current++
            } else {
                q.addFirst(task)
            }
        }
    }
 
    println(sb)
}
 

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3
1 0
5
4 2
1 2 3 4
6 0
1 1 9 1 1 1