結果
問題 | No.2564 衝突予測 |
ユーザー |
![]() |
提出日時 | 2023-12-02 15:55:01 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 161 ms / 2,000 ms |
コード長 | 3,974 bytes |
コンパイル時間 | 13,422 ms |
コンパイル使用メモリ | 379,004 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-26 19:31:00 |
合計ジャッジ時間 | 16,435 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 9 |
ソースコード
use scanner::Scanner;use std::io;fn check((x1, y1, d1): (i64, i64, char), (x2, y2, d2): (i64, i64, char)) -> bool {match (d1, d2) {('R', 'L') => y1 == y2 && x1 < x2,('R', 'U') => x1 < x2 && y1 > y2 && x1.abs_diff(x2) == y1.abs_diff(y2), // (x2, y1)('R', 'D') => x1 < x2 && y1 < y2 && x1.abs_diff(x2) == y1.abs_diff(y2),('L', 'U') => x1 > x2 && y1 > y2 && x1.abs_diff(x2) == y1.abs_diff(y2),('L', 'D') => x1 > x2 && y1 < y2 && x1.abs_diff(x2) == y1.abs_diff(y2),('U', 'D') => x1 == x2 && y1 < y2,('L', 'R') | ('U', 'R') | ('U', 'L') | ('D', 'R') | ('D', 'L') | ('D', 'U') => {// delegatecheck((x2, y2, d2), (x1, y1, d1))}_ => false,}}fn main() {let mut scanner = Scanner::from(io::stdin().lock());let t = scan!(usize, <~ scanner);for _ in 0..t {let (x1, y1, d1) = scan!((i64, i64, char), <~ scanner);let (x2, y2, d2) = scan!((i64, i64, char), <~ scanner);if check((x1, y1, d1), (x2, y2, d2)) {println!("Yes");} else {println!("No");}}}// ✂ --- scanner --- ✂#[allow(unused)]mod scanner {use std::fmt;use std::io;use std::str;pub struct Scanner<R> {r: R,l: String,i: usize,}impl<R> Scanner<R>whereR: io::BufRead,{pub fn new(reader: R) -> Self {Self {r: reader,l: String::new(),i: 0,}}pub fn scan<T>(&mut self) -> TwhereT: str::FromStr,T::Err: fmt::Debug,{self.skip_blanks();assert!(self.i < self.l.len()); // remain some characterassert_ne!(&self.l[self.i..=self.i], " ");let rest = &self.l[self.i..];let len = rest.find(|ch| char::is_ascii_whitespace(&ch)).unwrap_or_else(|| rest.len());// parse self.l[self.i..(self.i + len)]let val = rest[..len].parse().unwrap_or_else(|e| panic!("{:?}, attempt to read `{}`", e, rest));self.i += len;val}pub fn scan_vec<T>(&mut self, n: usize) -> Vec<T>whereT: str::FromStr,T::Err: fmt::Debug,{(0..n).map(|_| self.scan()).collect::<Vec<_>>()}fn skip_blanks(&mut self) {loop {match self.l[self.i..].find(|ch| !char::is_ascii_whitespace(&ch)) {Some(j) => {self.i += j;break;}None => {self.l.clear(); // clear bufferlet num_bytes = self.r.read_line(&mut self.l).unwrap_or_else(|_| panic!("invalid UTF-8"));assert!(num_bytes > 0, "reached EOF :(");self.i = 0;}}}}}impl<'a> From<&'a str> for Scanner<&'a [u8]> {fn from(s: &'a str) -> Self {Self::new(s.as_bytes())}}impl<'a> From<io::StdinLock<'a>> for Scanner<io::BufReader<io::StdinLock<'a>>> {fn from(stdin: io::StdinLock<'a>) -> Self {Self::new(io::BufReader::new(stdin))}}#[macro_export]macro_rules! scan {(( $($t: ty),+ ), <~ $scanner: expr) => {( $(scan!($t, <~ $scanner)),+ )};([ $t: tt; $n: expr ], <~ $scanner: expr) => {(0..$n).map(|_| scan!($t, <~ $scanner)).collect::<Vec<_>>()};($t: ty, <~ $scanner: expr) => {$scanner.scan::<$t>()};}}// ✂ --- scanner --- ✂