use std::io::Write; use std::collections::*; type Map = BTreeMap; type Set = BTreeSet; type Deque = VecDeque; fn run() { input! { n: usize, m: usize, p: [usize1; n], e: [(usize1, usize1); m], q: usize, ask: [(usize1, usize1); q], } let mut deg = vec![0; n]; for &(a, b) in e.iter() { deg[a] += 1; deg[b] += 1; } let mut g = vec![vec![]; n]; let mut set = vec![Set::new(); n]; for &(mut a, mut b) in e.iter() { if (deg[a], a) > (deg[b], b) { std::mem::swap(&mut a, &mut b); } g[a].push(b); set[b].insert((p[a], a)); } let mut p = p; let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); for (x, y) in ask { let ans = if p[x] != p[y] { let u = p[y]; let mut ok = false; ok |= g[x].iter().any(|v| p[*v] == u); ok |= set[x].range((u, 0)..(u + 1, 0)).next().is_some(); if ok { for &v in g[x].iter() { set[v].remove(&(p[x], x)); set[v].insert((u, x)); } p[x] = u; "Yes" } else { "No" } } else { "No" }; writeln!(out, "{}", ans).ok(); } } fn main() { run(); } // ---------- begin input macro ---------- // reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 #[macro_export] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; ($($r:tt)*) => { let s = { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } #[macro_export] macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } #[macro_export] macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::>() }; ($iter:expr, bytes) => { read_value!($iter, String).bytes().collect::>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } // ---------- end input macro ----------