結果
問題 | No.1242 高橋君とすごろく |
ユーザー |
![]() |
提出日時 | 2020-10-02 22:04:59 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,651 bytes |
コンパイル時間 | 13,683 ms |
コンパイル使用メモリ | 401,160 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-20 02:45:44 |
合計ジャッジ時間 | 14,855 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 24 |
コンパイルメッセージ
warning: unused variable: `n` --> src/main.rs:30:10 | 30 | let (n, k): (i64, usize) = kin.input(); | ^ help: if this is intentional, prefix it with an underscore: `_n` | = note: `#[warn(unused_variables)]` on by default
ソースコード
#![allow(unused_imports, unused_macros)]use kyoproio::*;use std::{collections::*,io::{self, prelude::*},iter,mem::{replace, swap},};fn main() -> io::Result<()> {std::thread::Builder::new().stack_size(64 * 1024 * 1024).spawn(|| {let stdin = io::stdin();let stdout = io::stdout();run(KInput::new(stdin.lock()), io::BufWriter::new(stdout.lock()))})?.join().unwrap()}fn run<I: Input, O: Write>(mut kin: I, mut out: O) -> io::Result<()> {macro_rules! output { ($($args:expr),+) => { write!(&mut out, $($args),+)?; }; }macro_rules! outputln {($($args:expr),+) => { output!($($args),+); outputln!(); };() => { output!("\n"); if cfg!(debug_assertions) { out.flush()?; } }}let (n, k): (i64, usize) = kin.input();let a: Vec<i64> = kin.seq(k);let mut s = vec![false; 30];for i in 0..k {if a[i] < 20 {s[a[i] as usize] = true;} else {for j in i + 1..k.min(i + 4) {if a[j] - a[i] <= 5 && (a[j] - a[i]) % 2 == 1 {outputln!("No");return Ok(());}}}}for i in (0..20).rev() {for j in 1..=3 {if i >= 4 - j && s[i] && s[i + 2 * j - 1] {s[i - (4 - j)] = true;}}}outputln!("{}", ["Yes", "No"][s[1] as usize]);Ok(())}// -----------------------------------------------------------------------------pub mod kyoproio {use std::io::prelude::*;pub trait Input {fn str(&mut self) -> &str;fn input<T: InputParse>(&mut self) -> T {T::input(self)}fn iter<T: InputParse>(&mut self) -> Iter<T, Self> {Iter(self, std::marker::PhantomData)}fn seq<T: InputParse, B: std::iter::FromIterator<T>>(&mut self, n: usize) -> B {self.iter().take(n).collect()}}pub struct KInput<R> {src: R,buf: String,pos: usize,}impl<R: BufRead> KInput<R> {pub fn new(src: R) -> Self {Self {src,buf: String::with_capacity(1024),pos: 0,}}}impl<R: BufRead> Input for KInput<R> {fn str(&mut self) -> &str {loop {if self.pos >= self.buf.len() {self.pos = 0;self.buf.clear();if self.src.read_line(&mut self.buf).expect("io error") == 0 {return &self.buf;}}let range = self.pos..self.buf[self.pos..].find(|c: char| c.is_ascii_whitespace()).map(|i| i + self.pos).unwrap_or_else(|| self.buf.len());self.pos = range.end + 1;if range.end > range.start {return &self.buf[range];}}}}pub struct Iter<'a, T, I: ?Sized>(&'a mut I, std::marker::PhantomData<*const T>);impl<'a, T: InputParse, I: Input + ?Sized> Iterator for Iter<'a, T, I> {type Item = T;fn next(&mut self) -> Option<T> {Some(self.0.input())}}pub trait InputParse: Sized {fn input<I: Input + ?Sized>(src: &mut I) -> Self;}impl InputParse for Vec<u8> {fn input<I: Input + ?Sized>(src: &mut I) -> Self {src.str().as_bytes().to_owned()}}macro_rules! from_str_impl {{ $($T:ty)* } => {$(impl InputParse for $T {fn input<I: Input + ?Sized>(src: &mut I) -> Self {src.str().parse::<$T>().expect("parse error")}})*}}from_str_impl! {String char bool f32 f64 isize i8 i16 i32 i64 i128 usize u8 u16 u32 u64 u128}macro_rules! tuple_impl {($H:ident $($T:ident)*) => {impl<$H: InputParse, $($T: InputParse),*> InputParse for ($H, $($T),*) {fn input<I: Input + ?Sized>(src: &mut I) -> Self {($H::input(src), $($T::input(src)),*)}}tuple_impl!($($T)*);};() => {}}tuple_impl!(A B C D E F G);#[macro_export]macro_rules! kdbg {($($v:expr),*) => {if cfg!(debug_assertions) { dbg!($($v),*) } else { ($($v),*) }}}}