結果
問題 | No.2508 Discriminant |
ユーザー | cologne |
提出日時 | 2023-10-30 15:38:53 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 1 ms / 2,000 ms |
コード長 | 4,841 bytes |
コンパイル時間 | 12,710 ms |
コンパイル使用メモリ | 377,100 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-25 17:17:26 |
合計ジャッジ時間 | 13,890 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 1 ms
6,812 KB |
testcase_02 | AC | 1 ms
6,812 KB |
testcase_03 | AC | 1 ms
6,820 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,944 KB |
testcase_20 | AC | 1 ms
6,944 KB |
testcase_21 | AC | 1 ms
6,944 KB |
testcase_22 | AC | 1 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,940 KB |
コンパイルメッセージ
warning: field `0` is never read --> src/main.rs:86:13 | 86 | struct Line(String); | ---- ^^^^^^ | | | field in this struct | = note: `#[warn(dead_code)]` on by default help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | 86 | struct Line(()); | ~~
ソースコード
#[allow(unused_imports)] use std::cmp::*; #[allow(unused_imports)] use std::collections::*; use std::io::*; #[allow(unused_imports)] use std::mem::*; fn solve(mut io: Reader) { let _ = io.read::<String>(); let p = io.read::<String>(); let q = io.read::<String>(); println!("{}", if p == q { "No" } else { "Yes" }); } // Reader fn main() { let reader = Reader::new(); solve(reader); STDOUT.with(|cell| cell.borrow_mut().flush().ok()); } struct Reader<'a> { buf: Vec<u8>, off: usize, len: usize, stdin: StdinLock<'a>, } const BUFFER_SIZE: usize = 1 << 17; impl Reader<'_> { fn new() -> Self { Self { buf: vec![0; BUFFER_SIZE], off: BUFFER_SIZE, len: BUFFER_SIZE, stdin: stdin().lock(), } } fn skip_whitespace(&mut self) { while self.len > 0 { if let Some(i) = self.buf[self.off..self.len].iter().position(|&b| b > b' ') { self.off += i; break; } self.fill(); } } fn remain(&self) -> &[u8] { &self.buf[self.off..self.len] } #[cold] fn fill(&mut self) { let len = self.stdin.read(&mut self.buf).unwrap(); self.len = len; self.off = 0; } fn read<T: Readable>(&mut self) -> T { self.skip_whitespace(); T::from_reader(self) } } trait Readable { fn from_reader(r: &mut Reader) -> Self; } impl Readable for String { fn from_reader(r: &mut Reader) -> Self { let mut s = Self::new(); while r.len > 0 { let remain = r.remain(); if let Some(i) = remain.iter().position(|&b| b <= b' ') { unsafe { s.as_mut_vec() }.extend_from_slice(&remain[..i]); r.off += i; break; } else { unsafe { s.as_mut_vec() }.extend_from_slice(remain); } r.fill(); } s } } struct Line(String); impl Readable for Line { fn from_reader(r: &mut Reader) -> Self { let mut s = String::new(); while r.len > 0 { let remain = r.remain(); if let Some(i) = remain.iter().position(|&b| b < b' ') { unsafe { s.as_mut_vec() }.extend_from_slice(&remain[..i]); r.off += i; break; } else { unsafe { s.as_mut_vec() }.extend_from_slice(remain); } r.fill(); } Line(s) } } macro_rules! readable_signed { ($($t:ty)+) => { $( impl Readable for $t { fn from_reader(r: &mut Reader) -> Self { let mut neg = None; let mut x = 0u64; 'next_char: while r.len > 0 { for (i, &b) in r.remain().iter().enumerate() { if b == b'-' && neg.is_none() { neg = Some(true); } else if b.is_ascii_digit() { x = x * 10 + b as u64 - 48; } else { r.off += i; break 'next_char; } } r.fill(); } if neg == Some(true) { x.wrapping_neg() as $t } else { x as $t } } } )+ }; } macro_rules! readable_unsigned { ($($t:ty)+) => { $( impl Readable for $t { fn from_reader(r: &mut Reader) -> Self { let mut x = 0; 'next_char: while r.len > 0 { for (i, &b) in r.remain().iter().enumerate() { if b.is_ascii_digit() { x = x * 10 + b as $t - 48; } else { r.off += i; break 'next_char; } } r.fill(); } x } } )+ }; } readable_signed!(i8 i16 i32 i64 i128 isize); readable_unsigned!(u8 u16 u32 u64 u128 usize); thread_local! { static STDOUT: std::cell::RefCell<BufWriter<StdoutLock<'static>>> = std::cell::RefCell::new(std::io::BufWriter::with_capacity(1 << 17, stdout().lock())); } #[macro_export] macro_rules! println { ($($t:tt)*) => { STDOUT.with(|cell| writeln!(cell.borrow_mut(), $($t)*).unwrap()); }; } #[macro_export] macro_rules! print { ($($t:tt)*) => { STDOUT.with(|cell| write!(cell.borrow_mut(), $($t)*).unwrap()); }; } #[macro_export] macro_rules! flush { () => { STDOUT.with(|cell| cell.borrow_mut().flush().unwrap()); }; }