#235099 (Rust) No.649 ここでちょっとQK！

• 問題: No.649 ここでちょっとQK！
• ユーザー: hatoo
• 提出日時: 2018-02-09 23:43:39
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 86 ms / 3,000 ms
• コード長: 5,558 bytes
• コンパイル時間: 16,797 ms
• コンパイル使用メモリ: 380,200 KB
• 実行使用メモリ: 7,680 KB
• 最終ジャッジ日時: 2024-10-09 03:32:24
• 合計ジャッジ時間: 21,183 ms
• ジャッジサーバーID （参考情報）: judge2 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	AC	0 ms; 5,248 KB
testcase_02	AC	1 ms; 5,248 KB
testcase_03	AC	23 ms; 5,248 KB
testcase_04	AC	71 ms; 7,552 KB
testcase_05	AC	59 ms; 7,680 KB
testcase_06	AC	40 ms; 5,248 KB
testcase_07	AC	1 ms; 5,248 KB
testcase_08	AC	1 ms; 5,248 KB
testcase_09	AC	0 ms; 5,248 KB
testcase_10	AC	1 ms; 5,248 KB
testcase_11	AC	1 ms; 5,248 KB
testcase_12	AC	36 ms; 5,248 KB
testcase_13	AC	36 ms; 5,248 KB
testcase_14	AC	35 ms; 5,248 KB
testcase_15	AC	41 ms; 5,248 KB
testcase_16	AC	38 ms; 5,248 KB
testcase_17	AC	44 ms; 5,248 KB
testcase_18	AC	50 ms; 5,248 KB
testcase_19	AC	54 ms; 5,248 KB
testcase_20	AC	59 ms; 5,248 KB
testcase_21	AC	66 ms; 5,248 KB
testcase_22	AC	67 ms; 5,248 KB
testcase_23	AC	71 ms; 5,248 KB
testcase_24	AC	75 ms; 5,248 KB
testcase_25	AC	82 ms; 5,376 KB
testcase_26	AC	86 ms; 5,632 KB
testcase_27	AC	2 ms; 5,248 KB
testcase_28	AC	1 ms; 5,248 KB
testcase_29	AC	1 ms; 5,248 KB
testcase_30	AC	29 ms; 5,248 KB
testcase_31	AC	30 ms; 5,248 KB
testcase_32	AC	1 ms; 5,248 KB
testcase_33	AC	1 ms; 5,248 KB
testcase_34	AC	1 ms; 5,248 KB
testcase_35	AC	1 ms; 5,248 KB

ソースコード

/**
 *  _           _                 __                            _   _ _   _                                 _                    _                  _
 * | |         | |               / /                           | | (_) | (_)                               | |                  (_)                | |
 * | |__   __ _| |_ ___   ___   / /__ ___  _ __ ___  _ __   ___| |_ _| |_ ___   _____ ______ _ __ _   _ ___| |_ ______ ___ _ __  _ _ __  _ __   ___| |_ ___
 * | '_ \ / _` | __/ _ \ / _ \ / / __/ _ \| '_ ` _ \| '_ \ / _ \ __| | __| \ \ / / _ \______| '__| | | / __| __|______/ __| '_ \| | '_ \| '_ \ / _ \ __/ __|
 * | | | | (_| | || (_) | (_) / / (_| (_) | | | | | | |_) |  __/ |_| | |_| |\ V /  __/      | |  | |_| \__ \ |_       \__ \ | | | | |_) | |_) |  __/ |_\__ \
 * |_| |_|\__,_|\__\___/ \___/_/ \___\___/|_| |_| |_| .__/ \___|\__|_|\__|_| \_/ \___|      |_|   \__,_|___/\__|      |___/_| |_|_| .__/| .__/ \___|\__|___/
 *                                                  | |                                                                           | |   | |
 *                                                  |_|                                                                           |_|   |_|
 *
 * https://github.com/hatoo/competitive-rust-snippets
 */
#[allow(unused_imports)]
use std::cmp::{max, min, Ordering};
#[allow(unused_imports)]
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};
#[allow(unused_imports)]
use std::iter::FromIterator;
#[allow(unused_imports)]
use std::io::{stdin, stdout, BufWriter, Write};
mod util {
    use std::io::{stdin, stdout, BufWriter, StdoutLock};
    use std::str::FromStr;
    use std::fmt::Debug;
    #[allow(dead_code)]
    pub fn line() -> String {
        let mut line: String = String::new();
        stdin().read_line(&mut line).unwrap();
        line.trim().to_string()
    }
    #[allow(dead_code)]
    pub fn gets<T: FromStr>() -> Vec<T>
    where
        <T as FromStr>::Err: Debug,
    {
        let mut line: String = String::new();
        stdin().read_line(&mut line).unwrap();
        line.split_whitespace()
            .map(|t| t.parse().unwrap())
            .collect()
    }
    #[allow(dead_code)]
    pub fn with_bufwriter<F: FnOnce(BufWriter<StdoutLock>) -> ()>(f: F) {
        let out = stdout();
        let writer = BufWriter::new(out.lock());
        f(writer)
    }
}
#[allow(unused_macros)]
macro_rules ! get { ( $ t : ty ) => { { let mut line : String = String :: new ( ) ; stdin ( ) . read_line ( & mut line ) . unwrap ( ) ; line . trim ( ) . parse ::<$ t > ( ) . unwrap ( ) } } ; ( $ ( $ t : ty ) ,* ) => { { let mut line : String = String :: new ( ) ; stdin ( ) . read_line ( & mut line ) . unwrap ( ) ; let mut iter = line . split_whitespace ( ) ; ( $ ( iter . next ( ) . unwrap ( ) . parse ::<$ t > ( ) . unwrap ( ) , ) * ) } } ; ( $ t : ty ; $ n : expr ) => { ( 0 ..$ n ) . map ( | _ | get ! ( $ t ) ) . collect ::< Vec < _ >> ( ) } ; ( $ ( $ t : ty ) ,*; $ n : expr ) => { ( 0 ..$ n ) . map ( | _ | get ! ( $ ( $ t ) ,* ) ) . collect ::< Vec < _ >> ( ) } ; ( $ t : ty ;; ) => { { let mut line : String = String :: new ( ) ; stdin ( ) . read_line ( & mut line ) . unwrap ( ) ; line . split_whitespace ( ) . map ( | t | t . parse ::<$ t > ( ) . unwrap ( ) ) . collect ::< Vec < _ >> ( ) } } ; }
#[allow(unused_macros)]
macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { println ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) ; } }

#[allow(dead_code)]
fn main() {
    let (q, k) = get!(usize, usize);

    let mut total = 0;
    let mut p = (0, 0);
    let mut buf = BTreeMap::new();

    util::with_bufwriter(|mut out| {
        for _ in 0..q {
            let input = util::line();
            /*
            debug!(input);
            debug!(p);
            debug!(total);
            debug!(buf);
            */
            let mut split = input.split_whitespace();

            if split.next().unwrap().parse::<usize>().unwrap() == 1usize {
                let x: u64 = split.next().unwrap().parse().unwrap();
                total += 1;
                *buf.entry(x).or_insert(0) += 1;

                match total.cmp(&k) {
                    Ordering::Equal => {
                        let (&y, &n) = buf.iter().last().unwrap();
                        p = (y, n);
                    }
                    Ordering::Greater => {
                        if x < p.0 {
                            if p.1 > 1 {
                                p.1 -= 1;
                            } else {
                                let (&y, &n) = buf.range(..p.0).rev().next().unwrap();
                                p = (y, n);
                            }
                        }
                    }
                    _ => (),
                }
            } else {
                if total >= k {
                    writeln!(out, "{}", p.0).unwrap();
                    *buf.get_mut(&p.0).unwrap() -= 1;
                    if buf.get(&p.0).unwrap() == &0 {
                        buf.remove(&p.0);
                    }
                    total -= 1;

                    if total >= k {
                        if p.1 <= buf.get(&p.0).cloned().unwrap_or(0) {
                        } else {
                            let (&y, _) = buf.range(p.0 + 1..).next().unwrap();
                            p = (y, 1);
                        }
                    }
                } else {
                    writeln!(out, "-1").unwrap();
                }
            }
        }
    });
}