// ---------- begin quick find ---------- pub struct QuickFind { size: usize, id: Vec, list: Vec>, } impl QuickFind { pub fn new(size: usize) -> Self { let id = (0..size).collect::>(); let list = (0..size).map(|x| vec![x]).collect::>(); QuickFind { size, id, list } } pub fn root(&self, x: usize) -> usize { assert!(x < self.size); self.id[x] } pub fn same(&self, x: usize, y: usize) -> bool { assert!(x < self.size); assert!(y < self.size); self.root(x) == self.root(y) } pub fn unite(&mut self, x: usize, y: usize) -> Option<(usize, usize)> { assert!(x < self.size); assert!(y < self.size); let mut x = self.root(x); let mut y = self.root(y); if x == y { return None; } if (self.list[x].len(), x) < (self.list[y].len(), y) { std::mem::swap(&mut x, &mut y); } let mut z = std::mem::take(&mut self.list[y]); z.iter().for_each(|y| self.id[*y] = x); self.list[x].append(&mut z); Some((x, y)) } pub fn enumerate(&self, x: usize) -> &[usize] { assert!(x < self.size); &self.list[self.root(x)] } pub fn size(&self, x: usize) -> usize { assert!(x < self.size); self.enumerate(x).len() } } // ---------- end quick find ---------- use std::io::*; fn read() -> Vec<(Vec, Vec)> { let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); let mut it = s.trim().split_whitespace().flat_map(|s| s.parse::()); let mut next = || it.next().unwrap(); let t = next(); (0..t).map(|_| { let n = next(); let a = (0..n).map(|_| next()).collect(); let b = (0..n).map(|_| next()).collect(); (a, b) }).collect() } fn main() { let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); for (a, b) in read() { let n = a.len(); let mut dsu = QuickFind::new(n); for k in 2..=n { for j in 2..=(n / k) { dsu.unite(k * (j - 1) - 1, k * j - 1); } } let mut a = a.iter().enumerate().map(|a| (dsu.root(a.0), *a.1)).collect::>(); let mut b = b.iter().enumerate().map(|a| (dsu.root(a.0), *a.1)).collect::>(); a.sort(); b.sort(); if a == b { writeln!(out, "Yes").ok(); } else { writeln!(out, "No").ok(); } } }