結果

問題 No.639 An Ordinary Sequence
ユーザー aimy
提出日時 2018-01-26 23:51:13
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 7 ms / 1,000 ms
コード長 3,501 bytes
コンパイル時間 19,107 ms
コンパイル使用メモリ 379,860 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-12-27 12:56:53
合計ジャッジ時間 19,212 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 17
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:42:9
   |
42 |     buf.trim_right().parse::<T>().ok().unwrap()
   |         ^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default
help: replace the use of the deprecated method
   |
42 |     buf.trim_end().parse::<T>().ok().unwrap()
   |         ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:58:22
   |
58 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
58 |     let mut it = buf.trim_end().split_whitespace();
   |                      ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:77:22
   |
77 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
77 |     let mut it = buf.trim_end().split_whitespace();
   |                      ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:97:9
   |
97 |     buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
97 |     buf.trim_end().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
   --> src/main.rs:113:9
    |
113 |     buf.trim_right().chars().collect()
    |         ^^^^^^^^^^
    |
help: replace the use of the deprecated method
    |
113 |     buf.trim_end().chars().collect()
    |         ~~~~~~~~

ソースコード

diff # 

#![allow(unused_imports, unused_macros, unknown_lints)]

use std::collections::*;
use std::cmp::Ordering::*;

macro_rules! dump {($($e:expr), +) => {print!(concat!($(stringify!($e), " = {:?}\n"), +), $($e), +)}}
macro_rules! max {($e0:expr, $($e:expr), +) => {{let mut r = $e0; $(r = std::cmp::max(r, $e);)+ r}}}
macro_rules! min {($e0:expr, $($e:expr), +) => {{let mut r = $e0; $(r = std::cmp::min(r, $e);)+ r}}}

fn main() {
  let n = get::val::<usize>();

  let mut memo = vec![0; 10_000_000];
  memo[0] = 1;
  let ans = rec(n, &mut memo);
  println!("{}", ans)
}

fn rec(x: usize, memo: &mut Vec<usize>) -> usize {
  if x >= 10_000_000 {
    rec(x/3, memo) + rec(x/5, memo)
  } else if memo[x] != 0 {
    memo[x]
  } else {
    let v = rec(x/3, memo) + rec(x/5, memo);
    memo[x] = v;
    v
  }
}

#[allow(dead_code)]
mod get {
  use std::io::*;
  use std::str::*;
  use std::process::*;

  pub fn val<T: FromStr>() -> T {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    if buf.is_empty() {println!("No input"); exit(0)}
    buf.trim_right().parse::<T>().ok().unwrap()
  }

  pub fn vals<T: FromStr>(n: usize) -> Vec<T> {
    let mut vec: Vec<T> = vec![];
    for _ in 0 .. n {
      vec.push(val());
    }
    vec
  }

  pub fn tuple<T1: FromStr, T2: FromStr>() -> (T1, T2) {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    if buf.is_empty() {println!("No input"); exit(0)}
    let mut it = buf.trim_right().split_whitespace();
    let x = it.next().unwrap().parse::<T1>().ok().unwrap();
    let y = it.next().unwrap().parse::<T2>().ok().unwrap();
    (x, y)
  }

  pub fn tuples<T1: FromStr, T2: FromStr>(n: usize) -> Vec<(T1, T2)> {
    let mut vec: Vec<(T1, T2)> = vec![];
    for _ in 0 .. n {
      vec.push(tuple());
    }
    vec
  }

  pub fn tuple3<T1: FromStr, T2: FromStr, T3: FromStr>() -> (T1, T2, T3) {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    if buf.is_empty() {println!("No input"); exit(0)}
    let mut it = buf.trim_right().split_whitespace();
    let x = it.next().unwrap().parse::<T1>().ok().unwrap();
    let y = it.next().unwrap().parse::<T2>().ok().unwrap();
    let z = it.next().unwrap().parse::<T3>().ok().unwrap();
    (x, y, z)
  }

  pub fn tuple3s<T1: FromStr, T2: FromStr, T3: FromStr>(n: usize) -> Vec<(T1, T2, T3)> {
    let mut vec: Vec<(T1, T2, T3)> = vec![];
    for _ in 0 .. n {
      vec.push(tuple3());
    }
    vec
  }

  pub fn vec<T: FromStr>() -> Vec<T> {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    if buf.is_empty() {println!("No input"); exit(0)}
    buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
  }

  pub fn mat<T: FromStr>(h: usize) -> Vec<Vec<T>> {
    let mut mat = vec![];
    for _ in 0 .. h {
      mat.push(vec());
    }
    mat
  }

  pub fn chars() -> Vec<char> {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    if buf.is_empty() {println!("No input"); exit(0)}
    buf.trim_right().chars().collect()
  }
}

#[allow(dead_code)]
mod put {
  use std::string::*;

  pub fn vec<T: ToString>(vec: &Vec<T>, sep: &str) {
    let out = vec.iter().map(|e| e.to_string()).collect::<Vec<_>>().as_slice().join(sep);
    println!("{}", out);
  }

  pub fn mat<T: ToString>(mat: &Vec<Vec<T>>, sep: &str) {
    for v in mat {
      vec(v, sep);
    }
  }
}
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