結果

問題 No.615 集合に分けよう
ユーザー aimyaimy
提出日時 2017-12-15 09:22:59
言語 Rust
(1.77.0)
結果
AC  
実行時間 18 ms / 2,000 ms
コード長 2,757 bytes
コンパイル時間 1,389 ms
コンパイル使用メモリ 165,448 KB
実行使用メモリ 4,384 KB
最終ジャッジ日時 2023-08-21 06:40:02
合計ジャッジ時間 3,108 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge14
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
4,376 KB
testcase_01 AC 1 ms
4,380 KB
testcase_02 AC 1 ms
4,380 KB
testcase_03 AC 1 ms
4,384 KB
testcase_04 AC 1 ms
4,380 KB
testcase_05 AC 1 ms
4,380 KB
testcase_06 AC 1 ms
4,376 KB
testcase_07 AC 1 ms
4,380 KB
testcase_08 AC 1 ms
4,376 KB
testcase_09 AC 1 ms
4,380 KB
testcase_10 AC 1 ms
4,380 KB
testcase_11 AC 1 ms
4,380 KB
testcase_12 AC 1 ms
4,376 KB
testcase_13 AC 1 ms
4,380 KB
testcase_14 AC 1 ms
4,376 KB
testcase_15 AC 3 ms
4,384 KB
testcase_16 AC 18 ms
4,384 KB
testcase_17 AC 15 ms
4,376 KB
testcase_18 AC 15 ms
4,384 KB
testcase_19 AC 15 ms
4,380 KB
testcase_20 AC 15 ms
4,380 KB
testcase_21 AC 17 ms
4,380 KB
testcase_22 AC 18 ms
4,380 KB
testcase_23 AC 8 ms
4,376 KB
testcase_24 AC 14 ms
4,376 KB
testcase_25 AC 1 ms
4,380 KB
testcase_26 AC 1 ms
4,380 KB
testcase_27 AC 3 ms
4,380 KB
testcase_28 AC 3 ms
4,376 KB
testcase_29 AC 5 ms
4,380 KB
testcase_30 AC 5 ms
4,384 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::trim_right`: superseded by `trim_end`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:38:9
   |
38 |     buf.trim_right().parse::<T>().ok().unwrap()
   |         ^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default
help: replace the use of the deprecated associated function
   |
38 |     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::trim_right`: superseded by `trim_end`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:53:22
   |
53 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
53 |     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::trim_right`: superseded by `trim_end`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:71:22
   |
71 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
71 |     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:90:9
   |
90 |     buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ^^^^^^^^^^
   |
help: replace the use of the deprecated associated function
   |
90 |     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:105:9
    |
105 |     buf.trim_right().chars().collect()
    |         ^^^^^^^^^^
    |
help: replace the use of the deprecated associated function
    |
105 |     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 (n, k) = get::tuple::<usize,usize>();
  let mut xs = get::list::<usize>();
  
  xs.sort();
  let mut ds = xs.windows(2).map(|w|w[1]-w[0]).zip(0..).collect::<Vec<_>>();
  ds.sort_by(|x,y|y.cmp(&x));
  let mut js = ds.into_iter().take(k-1).map(|p|p.1).collect::<Vec<_>>();
  js.sort();
  js.push(n-1);
  
  let mut ans = 0;
  let mut i = 0;
  for j in js {
    let min = xs[i..j+1].iter().min().unwrap();
    let max = xs[i..j+1].iter().max().unwrap();
    ans += max - min;
    i = j+1
  }
  
  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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