結果

問題 No.1768 The frog in the well knows the great ocean.
ユーザー koba-e964
提出日時 2021-11-27 00:09:28
言語 Rust
(1.83.0 + proconio)
結果
WA  
実行時間 -
コード長 2,709 bytes
コンパイル時間 14,852 ms
コンパイル使用メモリ 402,496 KB
実行使用メモリ 17,696 KB
最終ジャッジ日時 2024-06-29 19:11:03
合計ジャッジ時間 17,567 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 25 WA * 2
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#[allow(unused_imports)]
use std::cmp::*;
#[allow(unused_imports)]
use std::collections::*;
use std::io::{Write, BufWriter};
// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
macro_rules! input {
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes.by_ref().map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}
macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr,) => {};
    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}
macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => { ($(read_value!($next, $t)),*) };
    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };
    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };
    ($next:expr, usize1) => (read_value!($next, usize) - 1);
    ($next:expr, [ $t:tt ]) => {{
        let len = read_value!($next, usize);
        read_value!($next, [$t; len])
    }};
    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
}
trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); }
impl<T: PartialOrd> Change for T {
    fn chmax(&mut self, x: T) { if *self < x { *self = x; } }
    fn chmin(&mut self, x: T) { if *self > x { *self = x; } }
}
fn calc(a: &[i64], b: &[i64]) -> bool {
    let n = a.len();
    for i in 0..n {
        if a[i] > b[i] {
            return false;
        }
    }
    let mut pos = 0;
    for i in 0..n {
        while pos < n && b[pos] == a[i] {
            pos += 1;
        }
    }
    pos == n
}
// Similar problems: https://yukicoder.me/problems/no/1378
fn main() {
    // In order to avoid potential stack overflow, spawn a new thread.
    let stack_size = 104_857_600; // 100 MB
    let thd = std::thread::Builder::new().stack_size(stack_size);
    thd.spawn(|| solve()).unwrap().join().unwrap();
}
fn solve() {
    let out = std::io::stdout();
    let mut out = BufWriter::new(out.lock());
    macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););}
    input!(ab: [[[i64; 2]]]);
    for ab in ab {
        let n = ab.len();
        let mut a: Vec<i64> = vec![];
        for i in 0..n {
            a.extend(&ab[i]);
        }
        let b = a.split_off(n);
        puts!("{}\n", if calc(&a, &b) { "Yes" } else { "No" });
    }
}
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