結果
問題 | No.2373 wa, wo, n |
ユーザー |
|
提出日時 | 2023-07-07 21:48:42 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 5 ms / 2,000 ms |
コード長 | 1,946 bytes |
コンパイル時間 | 27,613 ms |
コンパイル使用メモリ | 378,032 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-21 17:39:20 |
合計ジャッジ時間 | 13,449 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 39 |
ソースコード
pub mod scanner {pub struct Scanner {buf: Vec<String>,}impl Scanner {pub fn new() -> Self {Self { buf: vec![] }}pub fn new_from(source: &str) -> Self {let source = String::from(source);let buf = Self::split(source);Self { buf }}pub fn next<T: std::str::FromStr>(&mut self) -> T {loop {if let Some(x) = self.buf.pop() {return x.parse().ok().expect("");}let mut source = String::new();std::io::stdin().read_line(&mut source).expect("");self.buf = Self::split(source);}}fn split(source: String) -> Vec<String> {source.split_whitespace().rev().map(String::from).collect::<Vec<_>>()}}}use crate::scanner::Scanner;use std::io::Write;fn main() {let mut scanner = Scanner::new();let out = std::io::stdout();let mut out = std::io::BufWriter::new(out.lock());let t: usize = 1;for _ in 0..t {solve(&mut scanner, &mut out);}}fn solve(scanner: &mut Scanner, out: &mut std::io::BufWriter<std::io::StdoutLock>) {let n: usize = scanner.next();let mut s: Vec<char> = scanner.next::<String>().chars().map(|c| c).collect();s.push('$');let mut dp = vec![false; n + 10];dp[0] = true;for i in 0..n {if dp[i] {if s[i] == 'n' || s[i] == '?' {dp[i + 1] = true;}if (s[i] == 'w' || s[i] == '?')&& (s[i + 1] == 'a' || s[i + 1] == 'o' || s[i + 1] == '?'){dp[i + 2] = true;}}}if dp[n] {writeln!(out, "Yes").unwrap();} else {writeln!(out, "No").unwrap();}}