For problem statement at 1000-1999/1000-1099/1060-1069/1060/problemF.txt this is a correct solution, but verifier at 1000-1999/1000-1099/1060-1069/1060/verifierF.go ends with All tests passed can you fix the verifier? package main

import (
	"fmt"
)

type Poly []float64

func mul(a, b Poly) Poly {
	res := make(Poly, len(a)+len(b)-1)
	for i := range a {
		for j := range b {
			res[i+j] += a[i] * b[j]
		}
	}
	return res
}

func g(p Poly) Poly {
	res := make(Poly, len(p)+1)
	sum := 0.0
	for i := range p {
		term := p[i] / float64(i+1)
		sum += term / 2.0
		res[i+1] = p[i] * float64(2*i+1) / float64(2*i+2)
	}
	res[0] = sum
	return res
}

func dfs(u, p int, adj [][]int) Poly {
	res := Poly{1.0}
	for _, v := range adj[u] {
		if v != p {
			childPoly := dfs(v, u, adj)
			res = mul(res, g(childPoly))
		}
	}
	return res
}

func main() {
	var n int
	if _, err := fmt.Scan(&n); err != nil {
		return
	}

	adj := make([][]int, n+1)
	for i := 0; i < n-1; i++ {
		var u, v int
		fmt.Scan(&u, &v)
		adj[u] = append(adj[u], v)
		adj[v] = append(adj[v], u)
	}

	for i := 1; i <= n; i++ {
		poly := dfs(i, 0, adj)
		fmt.Printf("%.10f", poly[0])
		if i < n {
			fmt.Print(" ")
		}
	}
	fmt.Println()
}