結果
問題 | No.2564 衝突予測 |
ユーザー | ikd |
提出日時 | 2023-12-02 15:48:48 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,840 bytes |
コンパイル時間 | 21,772 ms |
コンパイル使用メモリ | 377,852 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-26 19:20:10 |
合計ジャッジ時間 | 24,098 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
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, ('R', 'D') => x1 < x2 && y1 < y2, ('L', 'R') => y1 == y2 && x1 > x2, ('L', 'U') => x1 > x2 && y1 > y2, ('L', 'D') => x1 > x2 && y1 < y2, ('U', 'D') => x1 == x2 && y1 < y2, ('U', 'R') | ('U', 'L') | ('D', 'R') | ('D', 'L') | ('D', 'U') => { // delegate check((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> where R: io::BufRead, { pub fn new(reader: R) -> Self { Self { r: reader, l: String::new(), i: 0, } } pub fn scan<T>(&mut self) -> T where T: str::FromStr, T::Err: fmt::Debug, { self.skip_blanks(); assert!(self.i < self.l.len()); // remain some character assert_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> where T: 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 buffer let 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 --- ✂