結果
問題 | No.732 3PrimeCounting |
ユーザー | cotton_fn_ |
提出日時 | 2020-04-08 03:32:38 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 353 ms / 3,000 ms |
コード長 | 4,841 bytes |
コンパイル時間 | 19,529 ms |
コンパイル使用メモリ | 401,128 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-16 01:28:31 |
合計ジャッジ時間 | 25,424 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 1 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,948 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,940 KB |
testcase_21 | AC | 1 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,940 KB |
testcase_25 | AC | 3 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 1 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | AC | 3 ms
6,944 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 1 ms
6,940 KB |
testcase_38 | AC | 1 ms
6,944 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 1 ms
6,940 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 2 ms
6,944 KB |
testcase_43 | AC | 1 ms
6,940 KB |
testcase_44 | AC | 1 ms
6,940 KB |
testcase_45 | AC | 1 ms
6,944 KB |
testcase_46 | AC | 1 ms
6,944 KB |
testcase_47 | AC | 1 ms
6,940 KB |
testcase_48 | AC | 3 ms
6,940 KB |
testcase_49 | AC | 3 ms
6,944 KB |
testcase_50 | AC | 1 ms
6,944 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 1 ms
6,944 KB |
testcase_53 | AC | 6 ms
6,944 KB |
testcase_54 | AC | 94 ms
6,944 KB |
testcase_55 | AC | 95 ms
6,944 KB |
testcase_56 | AC | 96 ms
6,944 KB |
testcase_57 | AC | 18 ms
6,940 KB |
testcase_58 | AC | 18 ms
6,944 KB |
testcase_59 | AC | 6 ms
6,940 KB |
testcase_60 | AC | 27 ms
6,940 KB |
testcase_61 | AC | 26 ms
6,944 KB |
testcase_62 | AC | 129 ms
6,940 KB |
testcase_63 | AC | 51 ms
6,944 KB |
testcase_64 | AC | 36 ms
6,940 KB |
testcase_65 | AC | 35 ms
6,944 KB |
testcase_66 | AC | 1 ms
6,940 KB |
testcase_67 | AC | 1 ms
6,940 KB |
testcase_68 | AC | 111 ms
6,940 KB |
testcase_69 | AC | 109 ms
6,944 KB |
testcase_70 | AC | 98 ms
6,940 KB |
testcase_71 | AC | 97 ms
6,940 KB |
testcase_72 | AC | 47 ms
6,940 KB |
testcase_73 | AC | 236 ms
6,944 KB |
testcase_74 | AC | 236 ms
6,940 KB |
testcase_75 | AC | 2 ms
6,944 KB |
testcase_76 | AC | 107 ms
6,940 KB |
testcase_77 | AC | 19 ms
6,944 KB |
testcase_78 | AC | 172 ms
6,940 KB |
testcase_79 | AC | 112 ms
6,944 KB |
testcase_80 | AC | 149 ms
6,944 KB |
testcase_81 | AC | 98 ms
6,944 KB |
testcase_82 | AC | 2 ms
6,940 KB |
testcase_83 | AC | 19 ms
6,940 KB |
testcase_84 | AC | 21 ms
6,944 KB |
testcase_85 | AC | 80 ms
6,940 KB |
testcase_86 | AC | 152 ms
6,944 KB |
testcase_87 | AC | 353 ms
6,944 KB |
testcase_88 | AC | 348 ms
6,944 KB |
ソースコード
#![allow(unused)] use kyoproio::*; use std::{ collections::*, io::{self, prelude::*}, iter, mem::{replace, swap}, }; fn main() -> io::Result<()> { std::thread::Builder::new() .stack_size(10 * 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),+) }; } macro_rules! outputln { ($($args:expr),+) => { output!($($args),+); outputln!(); }; () => { output!("\n"); if cfg!(debug_assertions) { out.flush(); } } } let n: usize = kin.input(); let mut sieve = vec![true; 3 * n + 1]; sieve[0] = false; sieve[1] = false; let mut ps = Vec::new(); for i in 2..=3 * n { if sieve[i] { if 3 <= i { ps.push(i); } for j in (2 * i..=3 * n).step_by(i) { sieve[j] = false; } } } let mut cnt = vec![0; 3 * n + 1]; let mut ans = 0u64; for &c in ps.iter().take_while(|&&c| c <= n) { for &s in ps.iter().skip_while(|&&s| s <= c) { ans += cnt[s - c]; } for &b in ps.iter().take_while(|&&b| b < c) { cnt[b + c] += 1; } } outputln!("{}", ans); } // ----------------------------------------------------------------------------- pub mod kyoproio { #![warn(unused)] use std::io::prelude::*; pub trait Input: Sized { fn str(&mut self) -> &str; fn bytes(&mut self) -> &[u8] { self.str().as_ref() } fn input<T: InputParse>(&mut self) -> T { self.input_fallible().expect("input error") } fn input_fallible<T: InputParse>(&mut self) -> Result<T, T::Err> { T::input(self) } fn iter<T: InputParse>(&mut self) -> Iter<T, Self> { Iter { input: self, _t: 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> { input: &'a mut I, _t: std::marker::PhantomData<*const T>, } impl<'a, T: InputParse, I: Input> Iterator for Iter<'a, T, I> { type Item = T; fn next(&mut self) -> Option<Self::Item> { Some(self.input.input()) } } pub trait InputParse: Sized { type Err: std::fmt::Debug; fn input<I: Input>(input: &mut I) -> Result<Self, Self::Err>; } macro_rules! from_str_impls { { $($T:ty)* } => { $(impl InputParse for $T { type Err = <$T as std::str::FromStr>::Err; fn input<I: Input>(input: &mut I) -> Result<Self, Self::Err> { input.str().parse::<$T>() } })* }; } from_str_impls! { String char bool f32 f64 isize i8 i16 i32 i64 i128 usize u8 u16 u32 u64 u128 } macro_rules! tuple_impls { ($H:ident $($T:ident)*) => { impl<$H: InputParse, $($T: InputParse),*> InputParse for ($H, $($T),*) { type Err = (); fn input<I: Input>(input: &mut I) -> Result<Self, Self::Err> { // ? Ok(($H::input(input).unwrap(), $($T::input(input).unwrap()),*)) } } tuple_impls!($($T)*); }; () => {}; } tuple_impls!(A B C D E F G); }