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

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