結果
| 問題 |
No.1037 exhausted
|
| ユーザー |
cotton_fn_
|
| 提出日時 | 2020-04-24 23:52:33 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,513 bytes |
| コンパイル時間 | 24,658 ms |
| コンパイル使用メモリ | 399,840 KB |
| 実行使用メモリ | 6,824 KB |
| 最終ジャッジ日時 | 2024-10-15 03:58:10 |
| 合計ジャッジ時間 | 13,694 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 10 WA * 13 |
ソースコード
#![allow(unused)]
use kyoproio::*;
use std::{
collections::*,
io::{self, prelude::*},
iter,
mem::{replace, swap},
};
fn main() -> io::Result<()> {
std::thread::Builder::new()
.stack_size(64 * 1024 * 1024)
.spawn(solve)?
.join()
.unwrap();
Ok(())
}
fn solve() {
let stdin = io::stdin();
let mut kin = KInput::new(stdin.lock());
let stdout = io::stdout();
let mut out = io::BufWriter::new(stdout.lock());
macro_rules! output { ($($args:expr),+) => { write!(&mut out, $($args),+) }; }
macro_rules! outputln {
($($args:expr),+) => { output!($($args),+); outputln!(); };
() => { output!("\n"); if cfg!(debug_assertions) { out.flush(); } }
}
let (n, m, l): (usize, usize, usize) = kin.input();
let mut p = 0;
let mut dvw = vec![(0, 0, 0)];
for _ in 0..n {
let (x, v, w): (usize, usize, u64) = kin.input();
dvw.push((x - p, v, w));
p = x;
}
dvw.push((l - p, 0, 0));
let mut dp = vec![1e15 as u64; m + 1];
dp[m] = 0;
for i in 1..=n + 1 {
let mut dp_next = vec![1e15 as u64; m + 1];
let (d, v, w) = dvw[i];
for j in d..=m {
dp_next[j - d] = dp[j];
let k = m.min(j - d + v);
dp_next[k] = dp_next[k].min(dp[j] + w);
}
dp = dp_next;
}
let mut ans = *dp.iter().min().unwrap() as i64;
if ans >= 1e15 as i64 {
ans = -1;
}
outputln!("{}", ans);
}
// -----------------------------------------------------------------------------
pub mod kyoproio {
#![warn(unused)]
use std::io::prelude::*;
pub trait Input {
fn str(&mut self) -> &str;
fn input<T: InputParse>(&mut self) -> T {
T::input(self)
}
fn iter<T: InputParse>(&mut self) -> Iter<T, Self> {
Iter(self, std::marker::PhantomData)
}
fn seq<T: InputParse, B: std::iter::FromIterator<T>>(&mut self, n: usize) -> B {
self.iter().take(n).collect()
}
}
pub struct KInput<R> {
src: R,
buf: String,
pos: usize,
}
impl<R: BufRead> KInput<R> {
pub fn new(src: R) -> Self {
Self {
src,
buf: String::with_capacity(1024),
pos: 0,
}
}
}
impl<R: BufRead> Input for KInput<R> {
fn str(&mut self) -> &str {
loop {
if self.pos >= self.buf.len() {
self.pos = 0;
self.buf.clear();
if self.src.read_line(&mut self.buf).expect("io error") == 0 {
return &self.buf;
}
}
let range = self.pos
..self.buf[self.pos..]
.find(|c: char| c.is_ascii_whitespace())
.map(|i| i + self.pos)
.unwrap_or_else(|| self.buf.len());
self.pos = range.end + 1;
if range.end > range.start {
return &self.buf[range];
}
}
}
}
pub struct Iter<'a, T, I: ?Sized>(&'a mut I, std::marker::PhantomData<*const T>);
impl<'a, T: InputParse, I: Input + ?Sized> Iterator for Iter<'a, T, I> {
type Item = T;
fn next(&mut self) -> Option<T> {
Some(self.0.input())
}
}
pub trait InputParse: Sized {
fn input<I: Input + ?Sized>(src: &mut I) -> Self;
}
impl InputParse for Vec<u8> {
fn input<I: Input + ?Sized>(src: &mut I) -> Self {
src.str().as_bytes().to_owned()
}
}
macro_rules! from_str_impl {
{ $($T:ty)* } => {
$(impl InputParse for $T {
fn input<I: Input + ?Sized>(src: &mut I) -> Self {
src.str().parse::<$T>().expect("parse error")
}
})*
}
}
from_str_impl! {
String char bool f32 f64 isize i8 i16 i32 i64 i128 usize u8 u16 u32 u64 u128
}
macro_rules! tuple_impl {
($H:ident $($T:ident)*) => {
impl<$H: InputParse, $($T: InputParse),*> InputParse for ($H, $($T),*) {
fn input<I: Input + ?Sized>(src: &mut I) -> Self {
($H::input(src), $($T::input(src)),*)
}
}
tuple_impl!($($T)*);
};
() => {}
}
tuple_impl!(A B C D E F G);
}
cotton_fn_