#224621 (Rust) No.610 区間賞(Section Award)

• 問題: No.610 区間賞(Section Award)
• ユーザー: cympfh
• 提出日時: 2017-12-18 02:56:51
• 言語: Rust (1.83.0 + proconio)
• 結果: AC
• 実行時間: 162 ms / 2,000 ms
• コード長: 1,993 bytes
• コンパイル時間: 12,157 ms
• コンパイル使用メモリ: 384,996 KB
• 実行使用メモリ: 12,392 KB
• 最終ジャッジ日時: 2024-12-15 23:40:08
• 合計ジャッジ時間: 15,817 ms
• ジャッジサーバーID （参考情報）: judge3 / judge5

ファイルパターン	結果
other	AC * 50

コンパイルメッセージ

warning: constant `M` is never used
  --> src/main.rs:26:7
   |
26 | const M: usize = 1_000_000_007;
   |       ^
   |
   = note: `#[warn(dead_code)]` on by default

ソースコード

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#![allow(unused_imports)]
use std::io::{ self, Write };
use std::str::FromStr;
use std::cmp::{ min, max };
use std::collections::{ BinaryHeap, VecDeque };
#[allow(unused_macros)]
macro_rules! trace {
    ($var:expr) => {
        let _ = writeln!(&mut std::io::stderr(), ">>> {} = {:?}", stringify!($var), $var);
    };
    ($($args:expr),*) => { trace!(($($args),*)) }
}
#[allow(unused_macros)]
macro_rules! put {
    ($var:expr) => {
        let _ = writeln!(&mut std::io::stdout(), "{}", $var);
    };
    ($var:expr, $($args:expr),*) => {
        let _ = write!(&mut std::io::stdout(), "{} ", $var);
        put!($($args),*);
    };
}
const M: usize = 1_000_000_007;
fn main() {
    let mut sc = Scanner::new();
    let n = sc.cin();
    let mut a = vec![0; n];
    let mut a_inv = vec![0; n + 1];
    for i in 0..n {
        a[i] = sc.cin();
        a_inv[a[i]] = i + 1;
    }
    let mut b = vec![0; n];
    let mut b_norm = vec![0; n]; // when a=[1,2,3,..,n]
    for i in 0..n {
        b[i] = sc.cin();
        b_norm[i] = a_inv[b[i]];
    }
    let mut cands = vec![];
    let mut max = 0;
    for i in 0..n {
        if max < b_norm[i] {
            cands.push( b[i] );
            max = b_norm[i];
        }
    }
    cands.sort();
    for c in cands { put!(c); }
}
#[allow(dead_code)]
struct Scanner { stdin: io::Stdin, buffer: VecDeque<String>, }
#[allow(dead_code)]
impl Scanner {
    fn new() -> Scanner { Scanner { stdin: io::stdin(), buffer: VecDeque::new() } }
    fn reserve(&mut self) {
        while self.buffer.len() == 0 {
            let mut line = String::new();
            let _ = self.stdin.read_line(&mut line);
            for w in line.split_whitespace() {
                self.buffer.push_back(String::from(w));
            }
        }
    }
    fn cin<T: FromStr>(&mut self) -> T {
        self.reserve();
        match self.buffer.pop_front().unwrap().parse::<T>() {
            Ok(a) => a,
            Err(_) => panic!("parse err")
        }
    }
}
 
 
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