// いい集合ってなんだ? // // a a b b // a+b が4つ作れる // b % a != 0 ならok? // // 他にもある // 1, 3, 3, 5 // 2, 6, 6, 10 // 1, 5, 7, 11 // 0-1, 1-2, 2-0, 0-3 // // 問題文読み直すと多重集合とは書いてない // 1, 5, 7, 11 // 1, 11, 19, 29 // の倍数しか見つからん // これしかない? use std::io::Write; use std::collections::*; type Map = BTreeMap; type Set = BTreeSet; type Deque = VecDeque; fn run() { /* let n = 500usize; for i in 1..n { for j in 1..i { for k in 1..j { for l in 1..k { let mut a = [i, j, k, l]; a.sort(); let a = a; let s = a.iter().sum::(); let mut cnt = 0; for i in 0..4 { for j in 0..i { if s % (a[i] + a[j]) == 0 { cnt += 1; } } } if cnt == 4 { let g = a[0]; let mut b = a; for a in b.iter_mut() { *a /= g; } println!("{:?}", b); if g > 1 { assert!(a.iter().all(|b| *b % g == 0)); } } } } } } */ input! { n: usize, q: usize, s: [usize; n], ask: [(u8, usize); q], } let a = [[1, 5, 7, 11], [1, 9, 19, 29]]; let mut ans = 0; let mut dp = vec![Map::new(); 2]; for s in s { for (dp, a) in dp.iter_mut().zip(a.iter()) { insert(s, dp, a, &mut ans); } } let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); for (t, s) in ask { if t == 1 { for (dp, a) in dp.iter_mut().zip(a.iter()) { insert(s, dp, a, &mut ans); } } else { for (dp, a) in dp.iter_mut().zip(a.iter()) { remove(s, dp, a, &mut ans); } } writeln!(out, "{ans}").ok(); } } fn insert(v: usize, a: &mut Map, b: &[usize], cnt: &mut usize) { for b in b.iter() { if v % *b == 0 { let po = a.entry(v / *b).or_insert(0); *po += 1; if *po == 4 { *cnt += 1; } } } } fn remove(v: usize, a: &mut Map, b: &[usize], cnt: &mut usize) { for b in b.iter() { if v % *b == 0 { let po = a.entry(v / *b).or_insert(0); if *po == 4 { *cnt -= 1; } *po -= 1; } } } 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 ----------