結果
問題 | No.692 square1001 and Permutation 1 |
ユーザー |
![]() |
提出日時 | 2018-06-08 22:21:40 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 1 ms / 2,000 ms |
コード長 | 4,415 bytes |
コンパイル時間 | 12,957 ms |
コンパイル使用メモリ | 402,452 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-30 10:45:07 |
合計ジャッジ時間 | 13,197 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 5 |
ソースコード
fn solve<R: BufRead, W: Write>(_reader: R, _writer: &mut W) {let mut _scanner = Scanner::new(_reader);#[allow(unused_macros)]macro_rules! scan {($t:ty) => {_scanner.next::<$t>().unwrap()};($($t:ty),+) => {($(scan!($t)),+)};($t:ty; $n:expr) => {scan_iter!($t; $n).collect::<Vec<_>>()};($t_0:ty, $t_1:ty; $n:expr) => {scan!($t_0 = 0, $t_1 = 1; $n)};($t_0:ty, $t_1:ty, $t_2:ty; $n:expr) => {scan!($t_0 = 0, $t_1 = 1, $t_2 = 2; $n)};($($t:ty = $i:tt),+; $n:expr) => {{let mut vecs = ($(Vec::<$t>::with_capacity($n)),+);for _ in 0..$n {$(vecs.$i.push(scan!($t));)+}vecs}};}#[allow(unused_macros)]macro_rules! scan_iter {($t:ty; $n:expr) => {_scanner.take::<$t>($n).map(|x| x.unwrap())};}#[allow(unused_macros)]macro_rules! print {($fmt:expr) => {write!(_writer, $fmt).unwrap()};($fmt:expr, $($arg:tt)*) => {write!(_writer, $fmt, $($arg)*).unwrap()};}#[allow(unused_macros)]macro_rules! println {() => {writeln!(_writer).unwrap()};($fmt:expr) => {writeln!(_writer, $fmt).unwrap()};($fmt:expr, $($arg:tt)*) => {writeln!(_writer, $fmt, $($arg)*).unwrap()};}let n = scan!(usize);println!("{}", if n == 1 { "square1001" } else { "Petr" });}fn main() {let stdin = stdin();let stdout = stdout();#[cfg(debug_assertions)]let mut writer = stdout.lock();#[cfg(not(debug_assertions))]let mut writer = ::std::io::BufWriter::new(stdout.lock());solve(stdin.lock(), &mut writer);writer.flush().unwrap();}use io::Scanner;use std::io::{stdin, stdout, BufRead, Write};pub mod io {pub use self::scanner::*;mod scanner {use std::io::BufRead;use std::marker::PhantomData;use std::str::{from_utf8, FromStr};pub struct Scanner<R> {reader: R,buffer: Vec<u8>,position: usize,}impl<R: BufRead> Scanner<R> {pub fn new(reader: R) -> Self {Scanner { reader: reader, buffer: vec![], position: 0 }}pub fn next<T: Parse>(&mut self) -> Option<T> {Parse::parse(self.next_bytes().unwrap_or(&[]))}pub fn take<T: Parse>(&mut self, n: usize) -> Take<R, T> {Take { scanner: self, n: n, _marker: PhantomData }}pub fn next_bytes(&mut self) -> Option<&[u8]> {if self.buffer.is_empty() {self.read_line();}loop {match self.buffer.get(self.position) {Some(&b' ') => self.position += 1,Some(&b'\n') => self.read_line(),Some(_) => break,None => return None,}}let start = self.position;loop {match self.buffer.get(self.position) {Some(&b' ') | Some(&b'\n') | None => break,Some(_) => self.position += 1,}}Some(&self.buffer[start..self.position])}fn read_line(&mut self) {self.position = 0;self.buffer.clear();self.reader.read_until(b'\n', &mut self.buffer).unwrap();}}pub struct Take<'a, R: 'a, T> {scanner: &'a mut Scanner<R>,n: usize,_marker: PhantomData<fn() -> T>,}impl<'a, R: BufRead, T: Parse> Iterator for Take<'a, R, T> {type Item = Option<T>;fn next(&mut self) -> Option<Self::Item> {if self.n > 0 {self.n -= 1;Some(self.scanner.next())} else {None}}fn size_hint(&self) -> (usize, Option<usize>) {(self.n, Some(self.n))}}impl<'a, R: BufRead, T: Parse> ExactSizeIterator for Take<'a, R, T> {}pub trait Parse: Sized {fn parse(bytes: &[u8]) -> Option<Self>;}impl Parse for u8 {fn parse(bytes: &[u8]) -> Option<Self> {if bytes.len() == 1 {Some(*unsafe { bytes.get_unchecked(0) })} else {None}}}macro_rules! parse_impl {($($t:ident)+) => {$(impl Parse for $t {fn parse(bytes: &[u8]) -> Option<Self> {from_utf8(bytes).ok().and_then(|s| $t::from_str(s).ok())}})+};}parse_impl! { i32 i64 isize u32 u64 usize String }}}