結果
問題 |
No.3198 Monotonic Query
|
ユーザー |
|
提出日時 | 2025-07-11 21:35:41 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 43 ms / 3,000 ms |
コード長 | 8,872 bytes |
コンパイル時間 | 23,779 ms |
コンパイル使用メモリ | 377,468 KB |
実行使用メモリ | 6,400 KB |
最終ジャッジ日時 | 2025-07-12 10:52:33 |
合計ジャッジ時間 | 15,714 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 |
ソースコード
pub trait SortD{ fn sort_d(&mut self); } impl<T: Ord> SortD for Vec<T>{ fn sort_d(&mut self) { self.sort_by(|u, v| v.cmp(&u)); } } pub trait Mx{fn max(&self, rhs: Self)->Self;} impl Mx for f64{ fn max(&self, rhs: Self)->Self{if *self < rhs{ rhs } else { *self } }} pub trait Mi{ fn min(&self, rhs: Self)->Self; } impl Mi for f64{ fn min(&self, rhs: Self)->Self{ if *self < rhs{ rhs } else { *self } } } pub fn chmax<T: PartialOrd+Clone>(a: &mut T, b: &T){ if *a < *b{ *a = b.clone(); } } pub fn chmin<T: PartialOrd+Clone>(a: &mut T, b: &T){ if *a > *b{ *a = b.clone(); } } pub fn gcd(mut a: i64, mut b: i64)->i64{ if b==0{return a;}(a,b)=(a.abs(),b.abs());while b!=0{ let c = a;a = b;b = c%b; }a } pub fn factorial_i64(n: usize)->(Vec<i64>, Vec<i64>){ let mut res = vec![1; n+1];let mut inv = vec![1; n+1];for i in 0..n{ res[i+1] = (res[i]*(i+1)as i64)%MOD; }inv[n] = mod_inverse(res[n], MOD);for i in (0..n).rev(){ inv[i] = inv[i+1]*(i+1) as i64%MOD; }(res, inv) } pub fn floor(a:i64, b:i64)->i64{let res=(a%b+b)%b;(a-res)/b} pub fn extended_gcd(a:i64,b:i64)->(i64,i64,i64) {if b==0{(a,1,0)}else{let(g,x,y)=extended_gcd(b,a%b);(g,y,x-floor(a,b)*y)}} pub fn mod_inverse(a:i64,m:i64)->i64{let(_,x,_) =extended_gcd(a,m);(x%m+m)%m} pub fn comb(a: i64, b: i64, f: &Vec<(i64, i64)>)->i64{ if a<b{return 0;}else if b==0 || a==b{ return 1; } else{let x=f[a as usize].0; let y=f[(a-b) as usize].1;let z=f[b as usize].1;return((x*y)%MOD)*z%MOD;}} pub fn factorial(x: i64)->Vec<(i64, i64)>{ let mut f=vec![(1i64,1i64),(1, 1)];let mut z = 1i64; let mut inv = vec![0; x as usize+10];inv[1] = 1; for i in 2..x+1{z=(z*i)%MOD; let w=(MOD-inv[(MOD%i)as usize]*(MOD/i)%MOD)%MOD; inv[i as usize] = w; f.push((z, (f[i as usize-1].1*w)%MOD));}return f;} pub fn fast_mod_pow(x: i64,p: usize, m: i64)->i64{ let mut res=1;let mut t=x;let mut z=p;while z > 0{ if z%2==1{res = (res*t)%m;}t = (t*t)%m;z /= 2; }res} #[allow(unused_imports)] use std::{ convert::{Infallible, TryFrom, TryInto as _}, fmt::{self, Debug, Display, Formatter,}, fs::{File}, hash::{Hash, Hasher}, iter::{Product, Sum}, marker::PhantomData, ops::{Add, AddAssign, Sub, SubAssign, Div, DivAssign, Mul, MulAssign, Neg, RangeBounds}, str::FromStr, sync::{atomic::{self, AtomicU32, AtomicU64}, Once}, collections::{*, btree_set::Range, btree_map::Range as BTreeRange}, mem::{swap}, cmp::{self, Reverse, Ordering, Eq, PartialEq, PartialOrd}, thread::LocalKey, f64::consts::PI, time::Instant, cell::RefCell, io::{self, stdin, Read, read_to_string, BufWriter, BufReader, stdout, Write}, }; #[allow(unused_imports)] use proconio::{input, input_interactive, marker::{*}}; #[allow(unused_imports)] //use rand::{thread_rng, Rng, seq::SliceRandom, prelude::*}; #[allow(unused_imports)] //use itertools::Itertools; #[allow(unused_imports)] //use ordered_float::OrderedFloat; #[allow(unused_imports)] //use ac_library::{*, ModInt998244353 as mint}; #[allow(dead_code)] //type MI = StaticModInt<Mod998244353>;pub fn factorial_mint(n: usize)->(Vec<MI>, Vec<MI>){ let mut res = vec![mint::new(1); n+1];let mut inv = vec![mint::new(1); n+1];for i in 0..n{res[i+1] = res[i]*(i+1);}inv[n] = mint::new(1)/res[n];for i in (0..n).rev(){inv[i] = inv[i+1]*(i+1);}(res, inv)} #[allow(dead_code)] const INF: i64 = 1<<60; #[allow(dead_code)] const MOD: i64 = 998244353; #[allow(dead_code)] const D: [(usize, usize); 4] = [(1, 0), (0, 1), (!0, 0), (0, !0)]; #[allow(dead_code)] const D2: [(usize, usize); 8] = [(1, 0), (1, 1), (0, 1), (!0, 1), (!0, 0), (!0, !0), (0, !0), (1, !0)]; pub trait SegTreeMonoid{ type S: Clone; fn identity()->Self::S; fn op(a: &Self::S, b: &Self::S)->Self::S; } pub struct SegTree<M: SegTreeMonoid>{ n: usize, data: Vec<M::S>, } impl<M: SegTreeMonoid> SegTree<M> { pub fn new(n: usize)->Self{ let n = n.next_power_of_two(); let data = vec![M::identity(); 2*n]; SegTree{ n, data } } pub fn set(&mut self, i: usize, x: M::S){ let mut p = i+self.n; self.data[p] = x; while p > 0{ p /= 2; self.data[p] = M::op(&self.data[p<<1], &self.data[(p<<1)|1]); } } pub fn push(&mut self, i: usize, x: M::S){ let mut p = i+self.n; self.data[p] = M::op(&self.data[p], &x); while p > 0{ p /= 2; self.data[p] = M::op(&self.data[p<<1], &self.data[(p<<1)|1]); } } pub fn prod(&mut self, l: usize, r: usize)->M::S{ let mut p_l = l+self.n; let mut p_r = r+self.n; let mut res_l = M::identity(); let mut res_r = M::identity(); while p_l < p_r{ if p_l&1==1{ res_l = M::op(&res_l, &self.data[p_l]); p_l += 1; } if p_r&1==1{ p_r -= 1; res_r = M::op(&self.data[p_r], &res_r); } p_l >>= 1; p_r >>= 1; } M::op(&res_l, &res_r) } pub fn all_prod(&mut self)->M::S{ self.data[1].clone() } pub fn max_right<F>(&self, mut l: usize, f: F)->usize where F: Fn(&M::S)->bool{ assert!(f(&M::identity())); // これはバグってくれないと多分デバックが悲惨 if l==self.n{return self.n} l += self.n; let mut ac = M::identity(); while { while l%2==0{ l >>= 1; } if !f(&M::op(&ac, &self.data[l])){ while l < self.n{ l <<= 1; let res = M::op(&ac, &self.data[l]); if f(&res){ ac = res; l += 1; } } return l-self.n; } ac = M::op(&ac, &self.data[l]); l += 1; let z = l as isize; (z & -z) != z } {} self.n } pub fn min_left<F>(&self, mut r: usize, f: F)->usize where F: Fn(&M::S)->bool{ assert!(f(&M::identity()));r += self.n;let mut ac = M::identity(); if r==0{return 0} while { while r > 1 && r%2 == 1{ r >>= 1; } if !f(&M::op(&ac, &self.data[r])){ while r < self.n{ r = 2*r+1; let res = M::op(&ac, &self.data[r]); if f(&res){ ac = res; r -= 1; } } return r+1-self.n; } ac = M::op(&ac, &self.data[r]); let z = r as isize; z & -z == z } {} 0 } } struct SegTreeMax; impl SegTreeMonoid for SegTreeMax{ type S = i64; fn identity() -> Self::S { i64::MIN } fn op(&a: &Self::S, &b: &Self::S) -> Self::S { a.max(b) } } struct SegTreeMin; impl SegTreeMonoid for SegTreeMin{ type S = i64; fn identity() -> Self::S { i64::MAX } fn op(&a: &Self::S, &b: &Self::S) -> Self::S { a.min(b) } } struct SegTreeSum; impl SegTreeMonoid for SegTreeSum{ type S = i64; fn identity() -> Self::S { 0 } fn op(&a: &Self::S, &b: &Self::S) -> Self::S { a+b } } struct SegTreeXor; impl SegTreeMonoid for SegTreeXor{ type S = i64; fn identity() -> Self::S { 0 } fn op(&a: &Self::S, &b: &Self::S) -> Self::S { a^b } } pub const B: u128 = 127; pub const MO: u128 = (1<<64)-59; pub struct RollingHashMonoid; impl SegTreeMonoid for RollingHashMonoid{ type S = (u128, u128); fn identity() -> Self::S { (1, 0) } fn op(a: &Self::S, b: &Self::S) -> Self::S { let &(b1, h1) = a; let &(b2, h2) = b; ((b1*b2)%MO, (b2*h1+h2)%MO) } } pub fn compress<T: Copy+Ord+std::hash::Hash>(a: &Vec<T>)->Vec<usize>{ let mut b = a.clone(); b.sort(); b.dedup(); let mut dic = std::collections::HashMap::new(); for (i, &v) in b.iter().enumerate(){ dic.insert(v, i); } a.iter().map(|x| dic[x]).collect() } struct M; impl SegTreeMonoid for M{ type S = i32; fn identity() -> Self::S { -1 } fn op(&a: &Self::S, &b: &Self::S) -> Self::S { a.max(b) } } use proconio::fastout; #[fastout] fn main() { input!{ q: usize, } let mut segtree = SegTree::<M>::new(q); let mut cnt = 0; for _ in 0..q{ input!{ t: usize, } if t==1{ input!{ x: i32, } segtree.set(cnt, x); cnt += 1; } else { input!{ k: usize, } println!("{}", segtree.prod(cnt-k, cnt)); } } }