#234968 (Rust) No.648 　お　や　す　み

提出ソース

結果

問題	No.648 　お　や　す　み
ユーザー	aimy
提出日時	2018-02-09 22:57:07
言語	Rust (1.77.0)
結果	AC
実行時間	1 ms / 2,000 ms
コード長	3,436 bytes
コンパイル時間	2,054 ms
コンパイル使用メモリ	139,248 KB
実行使用メモリ	4,356 KB
最終ジャッジ日時	2023-10-11 22:08:55
合計ジャッジ時間	3,612 ms
ジャッジサーバーID （参考情報）	judge12 / judge15

このコードへのチャレンジ
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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 4,352 KB
testcase_01	AC	1 ms 4,352 KB
testcase_02	AC	1 ms 4,348 KB
testcase_03	AC	1 ms 4,348 KB
testcase_04	AC	1 ms 4,348 KB
testcase_05	AC	1 ms 4,348 KB
testcase_06	AC	1 ms 4,348 KB
testcase_07	AC	1 ms 4,348 KB
testcase_08	AC	1 ms 4,352 KB
testcase_09	AC	1 ms 4,352 KB
testcase_10	AC	1 ms 4,348 KB
testcase_11	AC	1 ms 4,352 KB
testcase_12	AC	1 ms 4,352 KB
testcase_13	AC	1 ms 4,348 KB
testcase_14	AC	1 ms 4,352 KB
testcase_15	AC	1 ms 4,348 KB
testcase_16	AC	1 ms 4,348 KB
testcase_17	AC	1 ms 4,352 KB
testcase_18	AC	1 ms 4,348 KB
testcase_19	AC	1 ms 4,352 KB
testcase_20	AC	1 ms 4,348 KB
testcase_21	AC	1 ms 4,348 KB
testcase_22	AC	1 ms 4,348 KB
testcase_23	AC	1 ms 4,348 KB
testcase_24	AC	1 ms 4,352 KB
testcase_25	AC	1 ms 4,348 KB
testcase_26	AC	1 ms 4,348 KB
testcase_27	AC	1 ms 4,348 KB
testcase_28	AC	1 ms 4,348 KB
testcase_29	AC	1 ms 4,356 KB
testcase_30	AC	1 ms 4,348 KB
testcase_31	AC	1 ms 4,348 KB
testcase_32	AC	1 ms 4,348 KB
testcase_33	AC	1 ms 4,348 KB
testcase_34	AC	1 ms 4,352 KB
testcase_35	AC	1 ms 4,348 KB
testcase_36	AC	1 ms 4,348 KB
testcase_37	AC	1 ms 4,352 KB
testcase_38	AC	1 ms 4,352 KB
testcase_39	AC	1 ms 4,352 KB
testcase_40	AC	1 ms 4,348 KB
testcase_41	AC	1 ms 4,352 KB
testcase_42	AC	1 ms 4,352 KB
testcase_43	AC	1 ms 4,352 KB
testcase_44	AC	1 ms 4,352 KB
testcase_45	AC	1 ms 4,352 KB
testcase_46	AC	1 ms 4,348 KB
testcase_47	AC	1 ms 4,348 KB
testcase_48	AC	1 ms 4,352 KB
testcase_49	AC	1 ms 4,352 KB
testcase_50	AC	1 ms 4,348 KB
testcase_51	AC	1 ms 4,348 KB
testcase_52	AC	1 ms 4,352 KB
testcase_53	AC	1 ms 4,348 KB
testcase_54	AC	1 ms 4,348 KB
testcase_55	AC	1 ms 4,348 KB
testcase_56	AC	1 ms 4,352 KB
testcase_57	AC	1 ms 4,348 KB
testcase_58	AC	1 ms 4,352 KB
testcase_59	AC	1 ms 4,348 KB
testcase_60	AC	1 ms 4,352 KB
testcase_61	AC	1 ms 4,356 KB
testcase_62	AC	1 ms 4,348 KB
testcase_63	AC	1 ms 4,348 KB
testcase_64	AC	1 ms 4,352 KB
testcase_65	AC	1 ms 4,352 KB
testcase_66	AC	1 ms 4,352 KB
testcase_67	AC	1 ms 4,352 KB
testcase_68	AC	1 ms 4,348 KB
testcase_69	AC	1 ms 4,348 KB
testcase_70	AC	1 ms 4,352 KB
testcase_71	AC	1 ms 4,348 KB
testcase_72	AC	1 ms 4,348 KB
testcase_73	AC	1 ms 4,348 KB
testcase_74	AC	1 ms 4,348 KB
testcase_75	AC	1 ms 4,348 KB
testcase_76	AC	1 ms 4,348 KB
testcase_77	AC	1 ms 4,348 KB
testcase_78	AC	1 ms 4,356 KB
testcase_79	AC	1 ms 4,352 KB
testcase_80	AC	1 ms 4,348 KB
testcase_81	AC	1 ms 4,348 KB
testcase_82	AC	1 ms 4,352 KB
testcase_83	AC	1 ms 4,352 KB

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 associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> Main.rs:39:9
   |
39 |     buf.trim_right().parse::<T>().ok().unwrap()
   |         ^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default
help: replace the use of the deprecated associated function
   |
39 |     buf.trim_end().parse::<T>().ok().unwrap()
   |         ~~~~~~~~

warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> Main.rs:55:22
   |
55 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
55 |     let mut it = buf.trim_end().split_whitespace();
   |                      ~~~~~~~~

warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> Main.rs:74:22
   |
74 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
74 |     let mut it = buf.trim_end().split_whitespace();
   |                      ~~~~~~~~

warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> Main.rs:94:9
   |
94 |     buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
94 |     buf.trim_end().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ~~~~~~~~

warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
   --> Main.rs:110:9
    |
110 |     buf.trim_right().chars().collect()
    |         ^^^^^^^^^^
    |
help: replace the use of the deprecated associated function
    |
110 |     buf.trim_end().chars().collect()
    |         ~~~~~~~~

warning: 5 warnings emitted

ソースコード

raw source code

#![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 lo = 0;
  let mut hi = 2*10usize.pow(9);

  while hi-lo > 1 {
    let md = (lo + hi) / 2;
    match (md*(md+1)/2).cmp(&n) {
      Less => {lo = md},
      Equal => {println!("YES"); println!("{}", md); return},
      Greater => {hi = md}
    }
  }

  println!("NO")
}

#[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);
    }
  }
}

yukicoder

結果

テストケース

コンパイルメッセージ

ソースコード