結果
問題 | No.1332 Range Nearest Query |
ユーザー |
|
提出日時 | 2021-06-04 15:51:39 |
言語 | Rust (1.83.0 + proconio) |
結果 |
TLE
|
実行時間 | - |
コード長 | 6,772 bytes |
コンパイル時間 | 14,985 ms |
コンパイル使用メモリ | 378,284 KB |
実行使用メモリ | 38,464 KB |
最終ジャッジ日時 | 2024-11-19 01:19:25 |
合計ジャッジ時間 | 135,926 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 15 TLE * 33 |
ソースコード
fn main() {let mut io = IO::new();input!{ from io,n: usize,a: [i64; n],q: usize,query: [(Usize1, Usize1, i64); q]}let mut res = vec![0; q];let mut qi = (0..q).collect::<Vec<usize>>();qi.sort_by_key(|&i| {let (l, r, _) = query[i];let v = l / 700;if v & 1 == 1 {v * 2 * n - r} else {v * 2 * n + r}});let mut btree = MultiSet::new();let mut cl = 0;let mut cr = 0;for &i in &qi {let (l, r, x) = query[i];for j in cr..=r {btree.insert(a[j]);}for j in l..cl {btree.insert(a[j]);}for j in cl..l {btree.remove(a[j]);}for j in r+1..cr {btree.remove(a[j]);}cl = l;cr = r + 1;let mut ans = (x - a[l]).abs().min(x - a[r]).abs();if let Some(&lo) = btree.lower_bound(x) {ans = ans.min((x - lo).abs())}if let Some(&hi) = btree.upper_bound(x) {ans = ans.min((x - hi).abs())}res[i] = ans;}io.iterln(res.into_iter(), "\n");}pub struct MultiSet<T> (std::collections::BTreeMap<T, usize>);impl<T: Ord + Clone + Copy> MultiSet<T> {pub fn new() -> Self {Self(std::collections::BTreeMap::new())}pub fn insert(&mut self, x: T) {*self.0.entry(x).or_default() += 1;}pub fn remove(&mut self, x: T) {let v = self.0.entry(x).or_default();if *v <= 1 {self.0.remove(&x);} else {*v -= 1;}}pub fn lower_bound(&self, x: T) -> Option<&T> {self.0.range(..=x).rev().next().map(|v| v.0)}pub fn upper_bound(&self, x: T) -> Option<&T> {self.0.range(x..).next().map(|v| v.0)}}impl<T> std::ops::Deref for MultiSet<T> {type Target = std::collections::BTreeMap<T, usize>;fn deref(&self) -> &Self::Target {&self.0}}impl<T> std::ops::DerefMut for MultiSet<T> {fn deref_mut(&mut self) -> &mut Self::Target {&mut self.0}}// ------------ io module start ------------use std::io::{stdout, BufWriter, Read, StdoutLock, Write};pub struct IO {iter: std::str::SplitAsciiWhitespace<'static>,buf: BufWriter<StdoutLock<'static>>,}impl IO {pub fn new() -> Self {let mut input = String::new();std::io::stdin().read_to_string(&mut input).unwrap();let input = Box::leak(input.into_boxed_str());let out = Box::new(stdout());IO {iter: input.split_ascii_whitespace(),buf: BufWriter::new(Box::leak(out).lock()),}}fn scan_str(&mut self) -> &'static str {self.iter.next().unwrap()}pub fn scan<T: Scan>(&mut self) -> <T as Scan>::Output {<T as Scan>::scan(self)}pub fn scan_vec<T: Scan>(&mut self, n: usize) -> Vec<<T as Scan>::Output> {(0..n).map(|_| self.scan::<T>()).collect()}pub fn print<T: Print>(&mut self, x: T) {<T as Print>::print(self, x);}pub fn println<T: Print>(&mut self, x: T) {self.print(x);self.print("\n");}pub fn iterln<T: Print, I: Iterator<Item = T>>(&mut self, mut iter: I, delim: &str) {if let Some(v) = iter.next() {self.print(v);for v in iter {self.print(delim);self.print(v);}}self.print("\n");}pub fn flush(&mut self) {self.buf.flush().unwrap();}}impl Default for IO {fn default() -> Self {Self::new()}}pub trait Scan {type Output;fn scan(io: &mut IO) -> Self::Output;}macro_rules! impl_scan {($($t:tt),*) => {$(impl Scan for $t {type Output = Self;fn scan(s: &mut IO) -> Self::Output {s.scan_str().parse().unwrap()}})*};}impl_scan!(i16, i32, i64, isize, u16, u32, u64, usize, String, f32, f64);impl Scan for char {type Output = char;fn scan(s: &mut IO) -> Self::Output {s.scan_str().chars().next().unwrap()}}pub enum Bytes {}impl Scan for Bytes {type Output = &'static [u8];fn scan(s: &mut IO) -> Self::Output {s.scan_str().as_bytes()}}pub enum Chars {}impl Scan for Chars {type Output = Vec<char>;fn scan(s: &mut IO) -> Self::Output {s.scan_str().chars().collect()}}pub enum Usize1 {}impl Scan for Usize1 {type Output = usize;fn scan(s: &mut IO) -> Self::Output {s.scan::<usize>().wrapping_sub(1)}}impl<T: Scan, U: Scan> Scan for (T, U) {type Output = (T::Output, U::Output);fn scan(s: &mut IO) -> Self::Output {(T::scan(s), U::scan(s))}}impl<T: Scan, U: Scan, V: Scan> Scan for (T, U, V) {type Output = (T::Output, U::Output, V::Output);fn scan(s: &mut IO) -> Self::Output {(T::scan(s), U::scan(s), V::scan(s))}}impl<T: Scan, U: Scan, V: Scan, W: Scan> Scan for (T, U, V, W) {type Output = (T::Output, U::Output, V::Output, W::Output);fn scan(s: &mut IO) -> Self::Output {(T::scan(s), U::scan(s), V::scan(s), W::scan(s))}}pub trait Print {fn print(w: &mut IO, x: Self);}macro_rules! impl_print_int {($($t:ty),*) => {$(impl Print for $t {fn print(w: &mut IO, x: Self) {w.buf.write_all(x.to_string().as_bytes()).unwrap();}})*};}impl_print_int!(i16, i32, i64, isize, u16, u32, u64, usize, f32, f64);impl Print for u8 {fn print(w: &mut IO, x: Self) {w.buf.write_all(&[x]).unwrap();}}impl Print for &[u8] {fn print(w: &mut IO, x: Self) {w.buf.write_all(x).unwrap();}}impl Print for &str {fn print(w: &mut IO, x: Self) {w.print(x.as_bytes());}}impl Print for String {fn print(w: &mut IO, x: Self) {w.print(x.as_bytes());}}impl<T: Print, U: Print> Print for (T, U) {fn print(w: &mut IO, (x, y): Self) {w.print(x);w.print(" ");w.print(y);}}impl<T: Print, U: Print, V: Print> Print for (T, U, V) {fn print(w: &mut IO, (x, y, z): Self) {w.print(x);w.print(" ");w.print(y);w.print(" ");w.print(z);}}mod neboccoio_macro {#[macro_export]macro_rules! input {(@start $io:tt @read @rest) => {};(@start $io:tt @read @rest, $($rest: tt)*) => {input!(@start $io @read @rest $($rest)*)};(@start $io:tt @read @rest mut $($rest:tt)*) => {input!(@start $io @read @mut [mut] @rest $($rest)*)};(@start $io:tt @read @rest $($rest:tt)*) => {input!(@start $io @read @mut [] @rest $($rest)*)};(@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: [[$kind:tt; $len1:expr]; $len2:expr] $($rest:tt)*) => {let $($mut)* $var = (0..$len2).map(|_| $io.scan_vec::<$kind>($len1)).collect::<Vec<Vec<$kind>>>();input!(@start $io @read @rest $($rest)*)};(@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: [$kind:tt; $len:expr] $($rest:tt)*) => {let $($mut)* $var = $io.scan_vec::<$kind>($len);input!(@start $io @read @rest $($rest)*)};(@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: $kind:tt $($rest:tt)*) => {let $($mut)* $var = $io.scan::<$kind>();input!(@start $io @read @rest $($rest)*)};(from $io:tt $($rest:tt)*) => {input!(@start $io @read @rest $($rest)*)};}}// ------------ io module end ------------