結果
問題 | No.1164 GCD Products hard |
ユーザー | cotton_fn_ |
提出日時 | 2020-08-26 14:28:21 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 96 ms / 2,500 ms |
コード長 | 5,596 bytes |
コンパイル時間 | 14,013 ms |
コンパイル使用メモリ | 399,968 KB |
実行使用メモリ | 7,872 KB |
最終ジャッジ日時 | 2024-11-07 08:12:51 |
合計ジャッジ時間 | 16,294 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 65 ms
6,200 KB |
testcase_01 | AC | 75 ms
6,452 KB |
testcase_02 | AC | 53 ms
5,340 KB |
testcase_03 | AC | 21 ms
5,248 KB |
testcase_04 | AC | 15 ms
5,248 KB |
testcase_05 | AC | 66 ms
6,016 KB |
testcase_06 | AC | 69 ms
6,720 KB |
testcase_07 | AC | 69 ms
6,808 KB |
testcase_08 | AC | 68 ms
7,056 KB |
testcase_09 | AC | 53 ms
5,608 KB |
testcase_10 | AC | 20 ms
5,248 KB |
testcase_11 | AC | 52 ms
5,760 KB |
testcase_12 | AC | 78 ms
6,820 KB |
testcase_13 | AC | 47 ms
5,248 KB |
testcase_14 | AC | 32 ms
5,376 KB |
testcase_15 | AC | 67 ms
7,040 KB |
testcase_16 | AC | 38 ms
5,632 KB |
testcase_17 | AC | 66 ms
5,928 KB |
testcase_18 | AC | 59 ms
5,760 KB |
testcase_19 | AC | 16 ms
5,248 KB |
testcase_20 | AC | 32 ms
5,248 KB |
testcase_21 | AC | 84 ms
7,020 KB |
testcase_22 | AC | 1 ms
5,248 KB |
testcase_23 | AC | 40 ms
7,552 KB |
testcase_24 | AC | 96 ms
7,872 KB |
testcase_25 | AC | 1 ms
5,248 KB |
testcase_26 | AC | 1 ms
5,248 KB |
testcase_27 | AC | 1 ms
5,248 KB |
testcase_28 | AC | 1 ms
5,248 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(|| { 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()?; } } } const P: i64 = 1e9 as i64 + 7; let (a, b, n): (i64, i64, i64) = kin.input(); let ps = primes(b as usize); let mut s = 1; let mut pow = vec![0; b as usize + 1]; for p in ps { let p = p as i64; let mut q = p; while q <= b { let c = (b / q - (a - 1) / q) as usize; if c > 0 { if pow[c] == 0 { pow[c] = mod_pow(c as i64, n, P - 1); } s = s * mod_pow(p, pow[c], P) % P; } q *= p; } } let ans = s; outputln!("{}", ans); Ok(()) } pub fn primes(n: usize) -> Vec<usize> { // 1, 7, 11, 13, 17, 19, 23, 29 const SKIP: [u8; 8] = [6, 4, 2, 4, 2, 4, 6, 2]; const XTOI: [u8; 15] = [ 0, 0, 0, 1, 0, 2, 3, 0, 4, 5, 0, 6, 0, 0, 7, ]; let mut sieve = vec![0u8; n / 30 + 1]; let mut ps = vec![2, 3, 5]; if n <= 4 { ps.truncate([0, 0, 1, 2, 2][n]); return ps; } let mut x = 7; let mut i = 1; while x <= n { if sieve[i / 8] & 1 << i % 8 == 0 { ps.push(x); let mut j = i; let mut y = x * x; while y <= n { sieve[y / 30] |= 1 << XTOI[y / 2 % 15]; y += x * SKIP[j % 8] as usize; j += 1; } } x += SKIP[i % 8] as usize; i += 1; } ps } pub fn mod_pow(mut a: i64, mut b: i64, m: i64) -> i64 { let mut y = 1; while b > 0 { if b & 1 == 1 { y = y * a % m; } a = a * a % m; b >>= 1; } y } // ----------------------------------------------------------------------------- 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),*) } } } }