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
(1.83.0 + proconio)
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 13,197 ms
コンパイル使用メモリ 379,192 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-12-14 15:54:18
合計ジャッジ時間 14,619 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 5
other AC * 26
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::trim_right`: superseded by `trim_end`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:38:9
   |
38 |     buf.trim_right().parse::<T>().ok().unwrap()
   |         ^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default
help: replace the use of the deprecated method
   |
38 |     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::trim_right`: superseded by `trim_end`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:53:22
   |
53 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
53 |     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::trim_right`: superseded by `trim_end`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:71:22
   |
71 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
71 |     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::trim_right`: superseded by `trim_end`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:90:9
   |
90 |     buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
90 |     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::trim_right`: superseded by `trim_end`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:105:9
    |
105 |     buf.trim_right().chars().collect()
    |         ^^^^^^^^^^
    |
help: replace the use of the deprecated method
    |
105 |     buf.trim_end().chars().collect()
    |         ~~~~~~~~

ソースコード

diff #
プレゼンテーションモードにする

#[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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