結果
| 問題 |
No.489 株に挑戦
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-10-18 02:20:13 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 12 ms / 1,000 ms |
| コード長 | 3,213 bytes |
| コンパイル時間 | 16,286 ms |
| コンパイル使用メモリ | 377,820 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-19 23:56:24 |
| 合計ジャッジ時間 | 17,803 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 35 |
ソースコード
#[allow(unused_imports)]
use std::cmp::{max, min, Ordering, Reverse};
#[allow(unused_imports)]
use std::collections::{HashMap, HashSet, VecDeque};
mod util {
use std::io::stdin;
use std::str::FromStr;
use std::fmt::Debug;
#[allow(dead_code)]
pub fn line() -> String {
let mut line: String = String::new();
stdin().read_line(&mut line).unwrap();
line.trim().to_string()
}
#[allow(dead_code)]
pub fn get<T: FromStr>() -> T
where
<T as FromStr>::Err: Debug,
{
let mut line: String = String::new();
stdin().read_line(&mut line).unwrap();
line.trim().parse().unwrap()
}
#[allow(dead_code)]
pub fn gets<T: FromStr>() -> Vec<T>
where
<T as FromStr>::Err: Debug,
{
let mut line: String = String::new();
stdin().read_line(&mut line).unwrap();
line.split_whitespace()
.map(|t| t.parse().unwrap())
.collect()
}
#[allow(dead_code)]
pub fn get2<T: FromStr, U: FromStr>() -> (T, U)
where
<T as FromStr>::Err: Debug,
<U as FromStr>::Err: Debug,
{
let mut line: String = String::new();
stdin().read_line(&mut line).unwrap();
let mut iter = line.split_whitespace();
(
iter.next().unwrap().parse().unwrap(),
iter.next().unwrap().parse().unwrap(),
)
}
#[allow(dead_code)]
pub fn get3<S: FromStr, T: FromStr, U: FromStr>() -> (S, T, U)
where
<S as FromStr>::Err: Debug,
<T as FromStr>::Err: Debug,
<U as FromStr>::Err: Debug,
{
let mut line: String = String::new();
stdin().read_line(&mut line).unwrap();
let mut iter = line.split_whitespace();
(
iter.next().unwrap().parse().unwrap(),
iter.next().unwrap().parse().unwrap(),
iter.next().unwrap().parse().unwrap(),
)
}
}
#[allow(unused_macros)]
macro_rules! debug {
($x: expr) => {
println!("{}: {:?}", stringify!($x), $x)
}
}
fn main() {
let (n, d, k): (usize, usize, u64) = util::get3();
let xs: Vec<u64> = (0..n).map(|_| util::get()).collect();
let mut deq = VecDeque::new();
let mut r = 0;
for _ in 0..d {
while !deq.is_empty() && xs[deq.back().cloned().unwrap()] < xs[r] {
deq.pop_back();
}
deq.push_back(r);
r += 1;
}
let ans = (0..n - 1)
.filter_map(|i| {
if r < n {
while !deq.is_empty() && xs[deq.back().cloned().unwrap()] < xs[r] {
deq.pop_back();
}
deq.push_back(r);
r += 1;
}
while deq.front().map(|&k| k <= i) == Some(true) {
deq.pop_front();
}
deq.front().and_then(|&k| if xs[k] > xs[i] {
Some((xs[k] - xs[i], Reverse((i, k))))
} else {
None
})
})
.max();
if let Some((profit, Reverse((buy, sell)))) = ans {
println!("{}", profit * k);
println!("{} {}", buy, sell);
} else {
println!("0");
}
}