hdu java 2148

import java.util.Scanner;




public class P2148 {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int t=sc.nextInt();
while(t-->0){
int n=sc.nextInt();//学生数目
int k=sc.nextInt();//Lele的学号
int score[]=new int[n+1];
int count=0;
for(int i=1;i<score.length;i++){
score[i]=sc.nextInt();
}
for(int i=1;i<score.length;i++){
if(score[i]>score[k]){
count++;
}
}
System.out.println(count);
}
}
}