結果
問題 | No.2735 Demarcation |
ユーザー | CoCo_Japan_pan |
提出日時 | 2024-04-20 15:01:10 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 8,194 bytes |
コンパイル時間 | 13,801 ms |
コンパイル使用メモリ | 379,704 KB |
実行使用メモリ | 19,396 KB |
最終ジャッジ日時 | 2024-10-12 10:41:34 |
合計ジャッジ時間 | 17,681 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,820 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
ソースコード
#![allow(unused_imports)] #![allow(unused_macros)] #![allow(non_snake_case)] pub use __cargo_equip::prelude::*; use proconio::marker::{Bytes, Chars, Isize1, Usize1}; use proconio::{input, input_interactive}; #[allow(unused_imports)] use proconio_derive::fastout; /*#[fastout] fn main() { input! { N: usize, X: [usize; N], Q: usize, } let mut cnt_memo = vec![0; N + 1]; for _ in 0..Q { input! { l: Usize1, r: Usize1, S: u64, } // 半開区間[l, r)とする let r = r + 1; // 最大値なし if 2_u64.pow((r - l - 1) as u32) <= S { println!("-1"); continue; } // kについて二分探索 let mut left_k = 0; let mut right_k = r - l; while right_k - left_k > 1 { let mid_k = (right_k + left_k) / 2; // 事前に尺取り法で、各rについて、[l, r)の種類数がk以下となる最小のlを求めておく let min_left = { let mut ret = vec![0; r - l + 1]; let mut left = r; let mut kind = 0; for right in (l+1..=r).rev() { while left > l { if kind < mid_k { left -= 1; if cnt_memo[X[left]] == 0 { kind += 1; } cnt_memo[X[left]] += 1; } else if kind == mid_k && cnt_memo[X[left - 1]] > 0 { left -= 1; cnt_memo[X[left]] += 1; } else { cnt_memo[X[right - 1]] -= 1; if cnt_memo[X[right - 1]] == 0 { kind -= 1; } break; } } ret[right - l] = left; } // 最後にcnt_memoをもとに戻す for i in l..r { cnt_memo[X[i]] = 0; } ret }; // A[l..r]までの通り数 let mut dp = vec![0; r - l + 1]; let mut dp_cum = vec![0; r - l + 2]; dp[0] = 1; dp_cum[1] = 1; for right in l+1..=r { // min_left[right - l]..rightまでの通り数を足す let cur_min_left = min_left[right - l]; dp[right - l] = dp_cum[right - l] - dp_cum[cur_min_left - l]; dp_cum[right - l + 1] = dp_cum[right - l] + dp[right - l]; } debug!(l, r, mid_k, dp[r - l]); debug!(dp, dp_cum); if dp[r - l] <= S { left_k = mid_k; } else { right_k = mid_k; } } println!("{}", left_k); } }*/ fn main() { let __proconio_stdout = ::std::io::stdout(); let mut __proconio_stdout = ::std::io::BufWriter::new(__proconio_stdout.lock()); #[allow(unused_macros)] macro_rules ! print { ($ ($ tt : tt) *) => { { use std :: io :: Write as _ ; :: std :: write ! (__proconio_stdout , $ ($ tt) *) . unwrap () ; } } ; } #[allow(unused_macros)] macro_rules ! println { ($ ($ tt : tt) *) => { { use std :: io :: Write as _ ; :: std :: writeln ! (__proconio_stdout , $ ($ tt) *) . unwrap () ; } } ; } let __proconio_res = { input! { N : usize , X : [usize ; N] , Q : usize , } let mut cnt_memo = vec![0; N + 1]; for _ in 0..Q { input! { l : Usize1 , r : Usize1 , S : u64 , } let r = r + 1; if 2_u64.pow((r - l - 1) as u32) <= S { println!("-1"); continue; } let mut left_k = 0; let mut right_k = r - l; while right_k - left_k > 1 { let mid_k = (right_k + left_k) / 2; let min_left = { let mut ret = vec![0; r - l + 1]; let mut left = r; let mut kind = 0; for right in (l + 1..=r).rev() { while left > l { if kind < mid_k { left -= 1; if cnt_memo[X[left]] == 0 { kind += 1; } cnt_memo[X[left]] += 1; } else if kind == mid_k && cnt_memo[X[left - 1]] > 0 { left -= 1; cnt_memo[X[left]] += 1; } else { cnt_memo[X[right - 1]] -= 1; if cnt_memo[X[right - 1]] == 0 { kind -= 1; } break; } } ret[right - l] = left; } for i in l..r { cnt_memo[X[i]] = 0; } ret }; let mut dp = vec![0; r - l + 1]; let mut dp_cum = vec![0; r - l + 2]; dp[0] = 1; dp_cum[1] = 1; for right in l + 1..=r { let cur_min_left = min_left[right - l]; dp[right - l] = dp_cum[right - l] - dp_cum[cur_min_left - l]; dp_cum[right - l + 1] = dp_cum[right - l] + dp[right - l]; } debug!(l, r, mid_k, dp[r - l]); debug!(dp, dp_cum); if dp[r - l] <= S { left_k = mid_k; } else { right_k = mid_k; } } println!("{}", left_k); } }; <::std::io::BufWriter<::std::io::StdoutLock> as ::std::io::Write>::flush( &mut __proconio_stdout, ) .unwrap(); return __proconio_res; } #[macro_export] macro_rules! mat { ($($e:expr),*) => { vec![$($e),*] }; ($($e:expr,)*) => { vec![$($e),*] }; ($e:expr; $d:expr) => { vec![$e; $d] }; ($e:expr; $d:expr $(; $ds:expr)+) => { vec![mat![$e $(; $ds)*]; $d] }; } #[macro_export] macro_rules! chmin { ($a:expr, $b:expr) => { if $a > $b { $a = $b; true } else { false } }; } #[macro_export] macro_rules! chmax { ($a:expr, $b:expr) => { if $a < $b { $a = $b; true } else { false } }; } /// https://maguro.dev/debug-macro/ #[macro_export] macro_rules! debug { ($($a:expr),* $(,)*) => { #[cfg(debug_assertions)] eprintln!(concat!($("| ", stringify!($a), "={:?} "),*, "|"), $(&$a),*); }; } // The following code was expanded by `cargo-equip`. /// # Procedural macros /// /// - `proconio-derive 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)` licensed under `MIT OR Apache-2.0` #[cfg_attr(any(), rustfmt::skip)] #[allow(unused)] mod __cargo_equip { pub(crate) mod crates { pub mod proconio_derive {pub use crate::__cargo_equip::macros::proconio_derive::*;#[macro_export]macro_rules!__cargo_equip_macro_def_proconio_derive_derive_readable{($(_:tt)*)=>(::std::compile_error!("`derive_readable` from `proconio-derive 0.2.1` should have been expanded");)}#[macro_export]macro_rules!__cargo_equip_macro_def_proconio_derive_fastout{($(_:tt)*)=>(::std::compile_error!("`fastout` from `proconio-derive 0.2.1` should have been expanded");)}} } pub(crate) mod macros { pub mod proconio_derive {pub use crate::{__cargo_equip_macro_def_proconio_derive_derive_readable as derive_readable,__cargo_equip_macro_def_proconio_derive_fastout as fastout};} } pub(crate) mod prelude {pub use crate::__cargo_equip::crates::*;} mod preludes { pub mod proconio_derive {} } }