結果

問題 No.609 Noelちゃんと星々
ユーザー aimyaimy
提出日時 2017-12-09 08:25:22
言語 Rust
(1.72.1)
結果
AC  
実行時間 13 ms / 2,000 ms
コード長 2,831 bytes
コンパイル時間 2,131 ms
コンパイル使用メモリ 151,652 KB
実行使用メモリ 4,384 KB
最終ジャッジ日時 2023-08-20 02:27:01
合計ジャッジ時間 3,372 ms
ジャッジサーバーID
(参考情報)
judge15 / judge11
このコードへのチャレンジ(β)

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 11 ms
4,380 KB
testcase_01 AC 5 ms
4,376 KB
testcase_02 AC 4 ms
4,380 KB
testcase_03 AC 5 ms
4,376 KB
testcase_04 AC 3 ms
4,376 KB
testcase_05 AC 12 ms
4,380 KB
testcase_06 AC 10 ms
4,376 KB
testcase_07 AC 7 ms
4,380 KB
testcase_08 AC 3 ms
4,384 KB
testcase_09 AC 5 ms
4,380 KB
testcase_10 AC 8 ms
4,376 KB
testcase_11 AC 7 ms
4,376 KB
testcase_12 AC 9 ms
4,376 KB
testcase_13 AC 2 ms
4,376 KB
testcase_14 AC 2 ms
4,376 KB
testcase_15 AC 10 ms
4,380 KB
testcase_16 AC 13 ms
4,376 KB
testcase_17 AC 10 ms
4,380 KB
testcase_18 AC 4 ms
4,380 KB
testcase_19 AC 10 ms
4,376 KB
testcase_20 AC 12 ms
4,376 KB
testcase_21 AC 12 ms
4,380 KB
testcase_22 AC 12 ms
4,376 KB
testcase_23 AC 12 ms
4,380 KB
testcase_24 AC 12 ms
4,376 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::trim_right`: superseded by `trim_end`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:40:9
   |
40 |     buf.trim_right().parse::<T>().ok().unwrap()
   |         ^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default
help: replace the use of the deprecated associated function
   |
40 |     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::trim_right`: superseded by `trim_end`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::trim_right`: superseded by `trim_end`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:73:22
   |
73 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
73 |     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::trim_right`: superseded by `trim_end`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:92:9
   |
92 |     buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
92 |     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:107:9
    |
107 |     buf.trim_right().chars().collect()
    |         ^^^^^^^^^^
    |
help: replace the use of the deprecated associated function
    |
107 |     buf.trim_end().chars().collect()
    |         ~~~~~~~~

warning: 5 warnings emitted

ソースコード

diff #

#[allow(unused_macros)]
macro_rules! debug {
  ($($e:expr), *) => {println!(concat!($(stringify!($e), " = {:?}\n"), *), $($e), *)}
}

fn main() {
  let _ = get::val::<isize>();
  let ys = get::list::<isize>();

  let mut lo = ys.iter().cloned().min().unwrap();
  let mut hi = ys.iter().cloned().max().unwrap();

  let f = |x: isize| ys.iter().map(|y|(y-x).abs()).sum::<isize>();

  while hi - lo > 3 {
    use std::cmp::Ordering::*;
    let md1 = lo + (hi - lo) / 3;
    let md2 = hi - (hi - lo) / 3;
    match f(md1).cmp(&f(md2)) {
      Less    => {hi = md2},
      Greater => {lo = md1},
      Equal   => {hi = md2; lo = md1}
    }
  }

  let cand = [f(lo), f(lo+1), f(hi)];
  let ans = cand.iter().min().unwrap();
  println!("{}", ans)
}

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

  pub fn val<T: FromStr>() -> T {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    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();
    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();
    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 list<T: FromStr>() -> Vec<T> {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
  }

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

  pub fn chars() -> Vec<char> {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    buf.trim_right().chars().collect()
  }
}
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