For problem statement at 0-999/200-299/220-229/220/problemC.txt this is a correct solution, but verifier at 0-999/200-299/220-229/220/verifierC.go ends with All 100 tests passed can you fix the verifier? ```go
package main

import (
	"bufio"
	"fmt"
	"math/rand"
	"os"
	"strconv"
	"time"
)

func main() {
	rand.Seed(time.Now().UnixNano())
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Split(bufio.ScanWords)
	scanner.Buffer(make([]byte, 1024), 1024*1024)

	scanner.Scan()
	n, _ := strconv.Atoi(scanner.Text())

	posA := make([]int, n+1)
	for i := 0; i < n; i++ {
		scanner.Scan()
		x, _ := strconv.Atoi(scanner.Text())
		posA[x] = i
	}

	b := make([]int, n)
	for i := 0; i < n; i++ {
		scanner.Scan()
		b[i], _ = strconv.Atoi(scanner.Text())
	}

	val := make([]int, n)
	for j := 0; j < n; j++ {
		val[j] = posA[b[j]] - j
	}

	const INF = int(1e9)
	rightAns := make([]int, n)
	var root *Node

	for i := n - 1; i >= 0; i-- {
		root = insert(root, val[i])
		target := -i
		best := INF
		if v, ok := floor(root, target); ok {
			if diff := abs(v - target); diff < best {
				best = diff
			}
		}
		if v, ok := ceil(root, target); ok {
			if diff := abs(v - target); diff < best {
				best = diff
			}
		}
		rightAns[i] = best
	}

	leftAns := make([]int, n)
	root = nil
	for i := 0; i < n; i++ {
		target := n - i
		best := INF
		if v, ok := floor(root, target); ok {
			if diff := abs(v - target); diff < best {
				best = diff
			}
		}
		if v, ok := ceil(root, target); ok {
			if diff := abs(v - target); diff < best {
				best = diff
			}
		}
		leftAns[i] = best
		root = insert(root, val[i])
	}

	out := bufio.NewWriter(os.Stdout)
	for i := 0; i < n; i++ {
		ans := rightAns[i]
		if leftAns[i] < ans {
			ans = leftAns[i]
		}
		fmt.Fprintln(out, ans)
	}
	out.Flush()
}

type Node struct {
	val      int
	priority int
	left     *Node
	right    *Node
}

func insert(root *Node, val int) *Node {
	if root == nil {
		return &Node{val: val, priority: rand.Int()}
	}
	if val < root.val {
		root.left = insert(root.left, val)
		if root.left.priority < root.priority {
			root = rotateRight(root)
		}
	} else if val > root.val {
		root.right = insert(root.right, val)
		if root.right.priority < root.priority {
			root = rotateLeft(root)
		}
	}
	return root
}

func rotateRight(p *Node) *Node {
	q := p.left
	p.left = q.right
	q.right = p
	return q
}

func rotateLeft(p *Node) *Node {
	q := p.right
	p.right = q.left
	q.left = p
	return q
}

func floor(root *Node, key int) (int, bool) {
	if root == nil {
		return 0, false
	}
	if root.val == key {
		return key, true
	}
	if root.val < key {
		if v, ok := floor(root.right, key); ok {
			return v, true
		}
		return root.val, true
	}
	return floor(root.left, key)
}

func ceil(root *Node, key int) (int, bool) {
	if root == nil {
		return 0, false
	}
	if root.val == key {
		return key, true
	}
	if root.val > key {
		if v, ok := ceil(root.left, key); ok {
			return v, true
		}
		return root.val, true
	}
	return ceil(root.right, key)
}

func abs(x int) int {
	if x < 0 {
		return -x
	}
	return x
}
```