結果
問題 | No.1336 Union on Blackboard |
ユーザー |
![]() |
提出日時 | 2021-01-15 21:38:09 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 12,677 bytes |
コンパイル時間 | 12,725 ms |
コンパイル使用メモリ | 378,168 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-26 13:36:53 |
合計ジャッジ時間 | 13,995 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 31 |
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 t: usize = kin.input();for _ in 0..t {case(&mut kin, &mut out);}}fn case<I: Input, O: Write>(mut kin: I, mut out: O) {let n: usize = kin.input();let mut ans = mint(0);for a in kin.iter::<u32>().take(n) {let a = mint(a);ans += a * ans + a;}outln!(out, "{}", ans);}// x y z// x + y + xy z// x + y + z + xy + xz + yz + xyzuse std::{cmp, fmt, marker::PhantomData, ops};pub type Mint = ModInt<Mod1e9p7>;pub fn mint(x: u32) -> Mint {ModInt::new(x)}pub trait Modulo {fn modulo() -> u32;}macro_rules! modulo_impl {($($Type:ident $val:tt)*) => {$(pub struct $Type;impl Modulo for $Type {fn modulo() -> u32 {$val}})*};}modulo_impl!(Mod998244353 998244353 Mod1e9p7 1000000007);use std::sync::atomic;pub struct VarMod;static VAR_MOD: atomic::AtomicU32 = atomic::AtomicU32::new(0);pub fn set_var_mod(m: u32) {VAR_MOD.store(m, atomic::Ordering::Relaxed);}impl Modulo for VarMod {fn modulo() -> u32 {VAR_MOD.load(atomic::Ordering::Relaxed)}}pub struct ModInt<M>(u32, PhantomData<M>);impl<M: Modulo> ModInt<M> {pub fn new(x: u32) -> Self {debug_assert!(x < M::modulo());Self(x, PhantomData)}pub fn normalize(self) -> Self {if self.0 < M::modulo() {self} else {Self::new(self.0 % M::modulo())}}pub fn get(self) -> u32 {self.0}pub fn inv(self) -> Self {self.pow(M::modulo() - 2)}pub fn half(self) -> Self {Self::new(self.0 / 2 + self.0 % 2 * ((M::modulo() + 1) / 2))}pub fn modulo() -> u32 {M::modulo()}}impl<M: Modulo> ops::Neg for ModInt<M> {type Output = Self;fn neg(self) -> Self {Self::new(if self.0 == 0 { 0 } else { M::modulo() - self.0 })}}impl<M: Modulo> ops::Add for ModInt<M> {type Output = Self;fn add(self, rhs: Self) -> Self {let s = self.0 + rhs.0;Self::new(if s < M::modulo() { s } else { s - M::modulo() })}}impl<M: Modulo> ops::Sub for ModInt<M> {type Output = Self;fn sub(self, rhs: Self) -> Self {Self::new(if self.0 >= rhs.0 {self.0 - rhs.0} else {M::modulo() + self.0 - rhs.0})}}impl<M: Modulo> ops::Mul for ModInt<M> {type Output = Self;fn mul(self, rhs: Self) -> Self {Self::new((self.0 as u64 * rhs.0 as u64 % M::modulo() as u64) as u32)}}impl<M: Modulo> ops::Div for ModInt<M> {type Output = Self;fn div(self, rhs: Self) -> Self {assert_ne!(rhs.get(), 0);self * rhs.inv()}}macro_rules! op_impl {($($Op:ident $op:ident $OpAssign:ident $op_assign:ident)*) => {$(impl<M: Modulo> ops::$Op<&Self> for ModInt<M> {type Output = Self;fn $op(self, rhs: &Self) -> Self {self.$op(*rhs)}}impl<M: Modulo> ops::$Op<ModInt<M>> for &ModInt<M> {type Output = ModInt<M>;fn $op(self, rhs: ModInt<M>) -> ModInt<M> {(*self).$op(rhs)}}impl<M: Modulo> ops::$Op<&ModInt<M>> for &ModInt<M> {type Output = ModInt<M>;fn $op(self, rhs: &ModInt<M>) -> ModInt<M> {(*self).$op(*rhs)}}impl<M: Modulo> ops::$OpAssign for ModInt<M> {fn $op_assign(&mut self, rhs: Self) {*self = ops::$Op::$op(*self, rhs);}}impl<M: Modulo> ops::$OpAssign<&ModInt<M>> for ModInt<M> {fn $op_assign(&mut self, rhs: &ModInt<M>) {self.$op_assign(*rhs);}})*};}op_impl! {Add add AddAssign add_assignSub sub SubAssign sub_assignMul mul MulAssign mul_assignDiv div DivAssign div_assign}impl<M: Modulo> std::iter::Sum for ModInt<M> {fn sum<I: Iterator<Item = Self>>(iter: I) -> Self {iter.fold(ModInt::new(0), |x, y| x + y)}}impl<M: Modulo> std::iter::Product for ModInt<M> {fn product<I: Iterator<Item = Self>>(iter: I) -> Self {iter.fold(ModInt::new(1), |x, y| x * y)}}pub trait Pow<T> {fn pow(self, n: T) -> Self;}impl<M: Modulo> Pow<u32> for ModInt<M> {fn pow(mut self, mut n: u32) -> Self {let mut y = Self::new(1);while n > 0 {if n % 2 == 1 {y *= self;}self *= self;n /= 2;}y}}macro_rules! mod_int_pow_impl {($($T:ident)*) => {$(impl<M: Modulo> Pow<$T> for ModInt<M> {fn pow(self, n: $T) -> Self {self.pow(n.rem_euclid(M::modulo() as $T - 1) as u32)}})*};}mod_int_pow_impl!(isize i32 i64 usize u64);macro_rules! mod_int_from_impl {($($T:ident)*) => {$(impl<M: Modulo> From<$T> for ModInt<M> {#[allow(unused_comparisons)]fn from(x: $T) -> Self {if M::modulo() <= $T::max_value() as u32 {Self::new(x.rem_euclid(M::modulo() as $T) as u32)} else if x < 0 {Self::new((M::modulo() as i32 + x as i32) as u32)} else {Self::new(x as u32)}}})*}}mod_int_from_impl!(isize i8 i16 i32 i64 i128 usize u8 u16 u32 u64 u128);impl<M> Copy for ModInt<M> {}impl<M> Clone for ModInt<M> {fn clone(&self) -> Self {*self}}impl<M: Modulo> Default for ModInt<M> {fn default() -> Self {Self::new(0)}}impl<M> cmp::PartialEq for ModInt<M> {fn eq(&self, other: &Self) -> bool {self.0 == other.0}}impl<M> cmp::Eq for ModInt<M> {}impl<M> cmp::PartialOrd for ModInt<M> {fn partial_cmp(&self, other: &Self) -> Option<cmp::Ordering> {self.0.partial_cmp(&other.0)}}impl<M> cmp::Ord for ModInt<M> {fn cmp(&self, other: &Self) -> cmp::Ordering {self.0.cmp(&other.0)}}impl<M> std::hash::Hash for ModInt<M> {fn hash<H: std::hash::Hasher>(&self, state: &mut H) {self.0.hash(state);}}impl<M> fmt::Display for ModInt<M> {fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {self.0.fmt(f)}}impl<M> fmt::Debug for ModInt<M> {fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {self.0.fmt(f)}}// -----------------------------------------------------------------------------fn main() -> io::Result<()> {std::thread::Builder::new().stack_size(1 << 26).spawn(|| {run(KInput::new(io::stdin().lock()),io::BufWriter::new(io::stdout().lock()),)})?.join().unwrap();Ok(())}#[macro_export]macro_rules! out {($($arg:tt)*) => { write!($($arg)*).unwrap(); }}#[macro_export]macro_rules! outln {($dst:expr $(, $($arg:tt)*)?) => {{writeln!($dst $(, $($arg)*)?).unwrap();if cfg!(debug_assertions) { $dst.flush().unwrap(); }}}}#[macro_export]macro_rules! eout {($($arg:tt)*) => { if cfg!(debug_assertions) { eprintln!($($arg)*); } }}#[macro_export]macro_rules! kdbg {($($v:expr),*) => { if cfg!(debug_assertions) { dbg!($($v),*) } else { ($($v),*) } }}pub mod kyoproio {use std::{io::prelude::*,iter::FromIterator,marker::PhantomData,mem::{self, MaybeUninit},str,};pub trait Input {fn bytes(&mut self) -> &[u8];fn str(&mut self) -> &str {str::from_utf8(self.bytes()).unwrap()}fn input<T: InputItem>(&mut self) -> T {T::input(self)}fn iter<T: InputItem>(&mut self) -> Iter<T, Self> {Iter(self, PhantomData)}fn collect<T: InputItem, B: FromIterator<T>>(&mut self, n: usize) -> B {self.iter().take(n).collect()}fn mapped<T: InputItem, U, F: FnMut(T) -> U, B: FromIterator<U>>(&mut self,n: usize,f: F,) -> B {self.iter().take(n).map(f).collect()}}impl<I: Input> Input for &mut I {fn bytes(&mut self) -> &[u8] {(**self).bytes()}}pub struct KInput<R> {src: R,buf: Vec<u8>,pos: usize,len: usize,}impl<R: Read> KInput<R> {pub fn new(src: R) -> Self {Self {src,buf: vec![0; 1 << 16],pos: 0,len: 0,}}fn read(&mut self) -> usize {if self.pos > 0 {self.buf.copy_within(self.pos..self.len, 0);self.len -= self.pos;self.pos = 0;} else if self.len >= self.buf.len() {self.buf.resize(2 * self.buf.len(), 0);}let n = self.src.read(&mut self.buf[self.len..]).unwrap();self.len += n;n}}impl<R: Read> Input for KInput<R> {fn bytes(&mut self) -> &[u8] {loop {while let Some(d) = self.buf[self.pos..self.len].iter().position(u8::is_ascii_whitespace){let p = self.pos;self.pos += d + 1;if d > 0 {return &self.buf[p..p + d];}}if self.read() == 0 {return &self.buf[mem::replace(&mut self.pos, self.len)..self.len];}}}}pub struct Iter<'a, T, I: ?Sized>(&'a mut I, PhantomData<*const T>);impl<'a, T: InputItem, I: Input + ?Sized> Iterator for Iter<'a, T, I> {type Item = T;fn next(&mut self) -> Option<T> {Some(self.0.input())}fn size_hint(&self) -> (usize, Option<usize>) {(!0, None)}}pub trait InputItem: Sized {fn input<I: Input + ?Sized>(src: &mut I) -> Self;}impl InputItem for Vec<u8> {fn input<I: Input + ?Sized>(src: &mut I) -> Self {src.bytes().to_owned()}}macro_rules! from_str {($($T:ty)*) => {$(impl InputItem for $T {fn input<I: Input + ?Sized>(src: &mut I) -> Self {src.str().parse::<$T>().unwrap()}})*}}from_str!(String char bool f32 f64);macro_rules! parse_int {($($I:ty: $U:ty)*) => {$(impl InputItem for $I {fn input<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 InputItem for $U {fn input<I: Input + ?Sized>(src: &mut I) -> Self {src.bytes().iter().fold(0, |x, b| 10 * x + (b & 0xf) as $U)}})*}}parse_int!(isize:usize i8:u8 i16:u16 i32:u32 i64:u64 i128:u128);macro_rules! tuple {($H:ident $($T:ident)*) => {impl<$H: InputItem, $($T: InputItem),*> InputItem for ($H, $($T),*) {fn input<I: Input + ?Sized>(src: &mut I) -> Self {($H::input(src), $($T::input(src)),*)}}tuple!($($T)*);};() => {}}tuple!(A B C D E F G);macro_rules! array {($($N:literal)*) => {$(impl<T: InputItem> InputItem for [T; $N] {fn input<I: Input + ?Sized>(src: &mut I) -> Self {let mut arr = MaybeUninit::uninit();let ptr = arr.as_mut_ptr() as *mut T;unsafe {for i in 0..$N {ptr.add(i).write(src.input());}arr.assume_init()}}})*}}array!(1 2 3 4 5 6 7 8);}