結果
問題 | No.1050 Zero (Maximum) |
ユーザー | cotton_fn_ |
提出日時 | 2020-05-09 04:49:54 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 35 ms / 2,000 ms |
コード長 | 4,716 bytes |
コンパイル時間 | 14,543 ms |
コンパイル使用メモリ | 394,748 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-04 15:48:26 |
合計ジャッジ時間 | 16,007 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 3 ms
5,248 KB |
testcase_01 | AC | 8 ms
5,376 KB |
testcase_02 | AC | 8 ms
5,376 KB |
testcase_03 | AC | 28 ms
5,376 KB |
testcase_04 | AC | 32 ms
5,376 KB |
testcase_05 | AC | 29 ms
5,376 KB |
testcase_06 | AC | 30 ms
5,376 KB |
testcase_07 | AC | 31 ms
5,376 KB |
testcase_08 | AC | 32 ms
5,376 KB |
testcase_09 | AC | 29 ms
5,376 KB |
testcase_10 | AC | 29 ms
5,376 KB |
testcase_11 | AC | 26 ms
5,376 KB |
testcase_12 | AC | 30 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 3 ms
5,376 KB |
testcase_15 | AC | 7 ms
5,376 KB |
testcase_16 | AC | 29 ms
5,376 KB |
testcase_17 | AC | 35 ms
5,376 KB |
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(solve)? .join() .unwrap(); Ok(()) } fn solve() { let stdin = io::stdin(); let mut kin = KInput::new(stdin.lock()); let stdout = io::stdout(); let mut out = io::BufWriter::new(stdout.lock()); macro_rules! output { ($($args:expr),+) => { write!(&mut out, $($args),+).unwrap(); }; } macro_rules! outputln { ($($args:expr),+) => { output!($($args),+); outputln!(); }; () => { output!("\n"); if cfg!(debug_assertions) { out.flush().unwrap(); } } } let (m, k): (usize, i64) = kin.input(); let mut a = vec![[0; N]; N]; for i in 0..m { for j in 0..m { a[(i + j) % m][i] += 1; a[(i * j) % m][i] += 1; } } let b = pow(&a, k); outputln!("{}", b[0][0]); } const MOD: i64 = 1e9 as i64 + 7; const N: usize = 50; fn id() -> Vec<[i64; N]> { let mut c = vec![[0; N]; N]; for i in 0..N { c[i][i] = 1; } c } fn mul(a: &[[i64; N]], b: &[[i64; N]]) -> Vec<[i64; N]> { let mut c = vec![[0; N]; N]; for i in 0..N { for j in 0..N { for k in 0..N { c[i][j] = (c[i][j] + a[i][k] * b[k][j]) % MOD; } } } c } fn pow(a: &[[i64; N]], mut b: i64) -> Vec<[i64; N]> { let mut a = a.to_owned(); let mut c = id(); while b > 0 { if b & 1 == 1 { c = mul(&c, &a); } a = mul(&a, &a); b >>= 1; } c } // ----------------------------------------------------------------------------- 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); }