結果
問題 | No.1491 銀将 |
ユーザー |
![]() |
提出日時 | 2021-04-30 21:27:56 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 1 ms / 1,000 ms |
コード長 | 7,480 bytes |
コンパイル時間 | 12,569 ms |
コンパイル使用メモリ | 386,256 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-18 23:48:04 |
合計ジャッジ時間 | 13,536 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 16 |
ソースコード
#![allow(unused_imports, unused_macros)]use kyoproio::*;use std::{collections::*,io::{self, prelude::*},iter, mem,};fn run<I: Input, O: Write>(mut kin: I, mut out: O) {let k: i64 = kin.parse();let ans = 1 + 2 * k * (k + 1) + 2 * k * (k - 1) + if k >= 1 { 1 } else { 0 };wln!(out, "{}", ans);}// -----------------------------------------------------------------------------fn main() -> io::Result<()> {std::thread::Builder::new().stack_size(1 << 26).spawn(|| {run(Scanner::new(io::stdin().lock()),io::BufWriter::new(io::stdout().lock()),)})?.join().unwrap();Ok(())}#[macro_export]macro_rules! w {($($arg:tt)*) => { write!($($arg)*).unwrap(); }}#[macro_export]macro_rules! wln {($dst:expr $(, $($arg:tt)*)?) => {{writeln!($dst $(, $($arg)*)?).unwrap();#[cfg(debug_assertions)]$dst.flush().unwrap();}}}#[macro_export]macro_rules! w_iter {($dst:expr, $fmt:expr, $iter:expr, $delim:expr) => {{let mut first = true;for elem in $iter {if first {w!($dst, $fmt, elem);first = false;} else {w!($dst, concat!($delim, $fmt), elem);}}}};($dst:expr, $fmt:expr, $iter:expr) => {w_iter!($dst, $fmt, $iter, " ")};}#[macro_export]macro_rules! w_iter_ln {($dst:expr, $($t:tt)*) => {{w_iter!($dst, $($t)*);wln!($dst);}}}#[macro_export]macro_rules! e {($($t:tt)*) => {#[cfg(debug_assertions)]eprint!($($t)*)}}#[macro_export]macro_rules! eln {($($t:tt)*) => {#[cfg(debug_assertions)]eprintln!($($t)*)}}#[macro_export]macro_rules! __tstr {($h:expr $(, $t:expr)+) => { concat!(__tstr!($($t),+), ", ", __tstr!(@)) };($h:expr) => { concat!(__tstr!(), " ", __tstr!(@)) };() => { "\x1B[94m[{}:{}]\x1B[0m" };(@) => { "\x1B[1;92m{}\x1B[0m = {:?}" }}#[macro_export]macro_rules! d {($($a:expr),*) => { eln!(__tstr!($($a),*), file!(), line!(), $(stringify!($a), $a),*) };}pub mod kyoproio {use std::{fmt::Display,io::{self, prelude::*},iter::FromIterator,marker::PhantomData,mem::{self, MaybeUninit},str,};pub trait Input {fn bytes(&mut self) -> &[u8];fn str(&mut self) -> &str {str::from_utf8(self.bytes()).unwrap()}fn parse<T: Parse>(&mut self) -> T {T::parse(self)}fn parse_iter<T: Parse>(&mut self) -> ParseIter<T, Self> {ParseIter(self, PhantomData)}fn collect<T: Parse, B: FromIterator<T>>(&mut self, n: usize) -> B {self.parse_iter().take(n).collect()}fn map<T: Parse, U, F: FnMut(T) -> U, B: FromIterator<U>>(&mut self, n: usize, f: F) -> B {self.parse_iter().take(n).map(f).collect()}}impl<I: Input> Input for &mut I {fn bytes(&mut self) -> &[u8] {(**self).bytes()}}pub struct Scanner<R> {src: R,buf: Vec<u8>,pos: usize,len: usize,}impl<R: Read> Scanner<R> {pub fn new(src: R) -> Self {Self {src,buf: vec![0; 1 << 16],pos: 0,len: 0,}}fn read(&mut self) -> usize {if self.pos > 0 {self.buf.copy_within(self.pos..self.len, 0);self.len -= self.pos;self.pos = 0;} else if self.len >= self.buf.len() {self.buf.resize(2 * self.buf.len(), 0);}let n = self.src.read(&mut self.buf[self.len..]).unwrap();self.len += n;assert!(self.len <= self.buf.len());n}}impl<R: Read> Input for Scanner<R> {fn bytes(&mut self) -> &[u8] {loop {while let Some(d) = unsafe { self.buf.get_unchecked(self.pos..self.len) }.iter().position(u8::is_ascii_whitespace){let p = self.pos;self.pos += d + 1;if d > 0 {return unsafe { self.buf.get_unchecked(p..p + d) };}}if self.read() == 0 {let p = self.pos;self.pos = self.len;return unsafe { self.buf.get_unchecked(p..self.len) };}}}}pub struct ParseIter<'a, T, I: ?Sized>(&'a mut I, PhantomData<*const T>);impl<'a, T: Parse, I: Input + ?Sized> Iterator for ParseIter<'a, T, I> {type Item = T;fn next(&mut self) -> Option<T> {Some(self.0.parse())}fn size_hint(&self) -> (usize, Option<usize>) {(!0, None)}}pub trait Parse: Sized {fn parse<I: Input + ?Sized>(src: &mut I) -> Self;}macro_rules! from_bytes {($($T:ty)*) => {$(impl Parse for $T {fn parse<I: Input + ?Sized>(src: &mut I) -> Self {src.bytes().into()}})*}}from_bytes!(Vec<u8> Box<[u8]>);macro_rules! from_str {($($T:ty)*) => {$(impl Parse for $T {fn parse<I: Input + ?Sized>(src: &mut I) -> Self {src.str().parse::<$T>().unwrap()}})*}}from_str!(String char bool f32 f64);macro_rules! int {($($I:ty: $U:ty)*) => {$(impl Parse for $I {fn parse<I: Input + ?Sized>(src: &mut I) -> Self {let f = |s: &[u8]| s.iter().fold(0, |x, b| 10 * x + (b & 0xf) as $I);let s = src.bytes();if let Some((&b'-', t)) = s.split_first() { -f(t) } else { f(s) }}}impl Parse for $U {fn parse<I: Input + ?Sized>(src: &mut I) -> Self {src.bytes().iter().fold(0, |x, b| 10 * x + (b & 0xf) as $U)}})*}}int!(isize:usize i8:u8 i16:u16 i32:u32 i64:u64 i128:u128);macro_rules! tuple {($H:ident $($T:ident)*) => {impl<$H: Parse, $($T: Parse),*> Parse for ($H, $($T),*) {fn parse<I: Input + ?Sized>(src: &mut I) -> Self {($H::parse(src), $($T::parse(src)),*)}}tuple!($($T)*);};() => {}}tuple!(A B C D E F G);macro_rules! array {($($N:literal)*) => {$(impl<T: Parse> Parse for [T; $N] {fn parse<I: Input + ?Sized>(src: &mut I) -> Self {unsafe {let mut arr: [MaybeUninit<T>; $N] = MaybeUninit::uninit().assume_init();for elem in &mut arr {*elem = MaybeUninit::new(src.parse());}mem::transmute_copy(&arr)}}})*}}array!(1 2 3 4 5 6 7 8);}