For problem statement at 1000-1999/1900-1999/1950-1959/1951/problemB.txt this is a correct solution, but verifier at 1000-1999/1900-1999/1950-1959/1951/verifierB.go ends with All 100 tests passed can you fix the verifier? package main

import (
	"bytes"
	"io"
	"os"
	"strconv"
)

func main() {
	data, _ := io.ReadAll(os.Stdin)
	idx := 0
	nextInt := func() int {
		for idx < len(data) && data[idx] <= ' ' {
			idx++
		}
		val := 0
		for idx < len(data) && data[idx] > ' ' {
			val = val*10 + int(data[idx]-'0')
			idx++
		}
		return val
	}

	t := nextInt()
	var out bytes.Buffer

	for tc := 0; tc < t; tc++ {
		n := nextInt()
		k := nextInt()
		a := make([]int, n+1)
		for i := 1; i <= n; i++ {
			a[i] = nextInt()
		}

		x := a[k]
		p1, p2 := n+1, n+1
		for i := 1; i <= n; i++ {
			if a[i] > x {
				if p1 == n+1 {
					p1 = i
				} else {
					p2 = i
					break
				}
			}
		}

		ans := 0
		if p1 == 1 {
			q := p2
			if k < q {
				q = k
			}
			ans = q - 2
		} else {
			ans = p1 - 2
			if p1 < k {
				q := p2
				if k < q {
					q = k
				}
				cand := q - p1
				if cand > ans {
					ans = cand
				}
			}
		}

		if ans < 0 {
			ans = 0
		}
		out.WriteString(strconv.Itoa(ans))
		if tc+1 < t {
			out.WriteByte('\n')
		}
	}

	os.Stdout.Write(out.Bytes())
}