結果
問題 | No.807 umg tours |
ユーザー | cotton_fn_ |
提出日時 | 2020-03-30 06:38:15 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 270 ms / 4,000 ms |
コード長 | 5,814 bytes |
コンパイル時間 | 13,999 ms |
コンパイル使用メモリ | 397,288 KB |
実行使用メモリ | 40,036 KB |
最終ジャッジ日時 | 2024-11-23 19:55:06 |
合計ジャッジ時間 | 17,071 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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
6,820 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 1 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 1 ms
6,816 KB |
testcase_07 | AC | 1 ms
6,820 KB |
testcase_08 | AC | 1 ms
6,820 KB |
testcase_09 | AC | 1 ms
6,816 KB |
testcase_10 | AC | 1 ms
6,820 KB |
testcase_11 | AC | 149 ms
30,080 KB |
testcase_12 | AC | 141 ms
24,192 KB |
testcase_13 | AC | 203 ms
32,336 KB |
testcase_14 | AC | 71 ms
15,488 KB |
testcase_15 | AC | 50 ms
12,928 KB |
testcase_16 | AC | 199 ms
33,632 KB |
testcase_17 | AC | 263 ms
39,712 KB |
testcase_18 | AC | 261 ms
39,544 KB |
testcase_19 | AC | 249 ms
39,292 KB |
testcase_20 | AC | 132 ms
25,404 KB |
testcase_21 | AC | 139 ms
26,324 KB |
testcase_22 | AC | 51 ms
12,672 KB |
testcase_23 | AC | 37 ms
10,240 KB |
testcase_24 | AC | 108 ms
33,160 KB |
testcase_25 | AC | 270 ms
40,036 KB |
ソースコード
#![allow(unused)] use kyoproio::*; use std::{ io::{self, prelude::*}, collections::*, iter, mem::{replace, swap}, }; fn main() -> io::Result<()> { std::thread::Builder::new() .stack_size(50 * 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): (usize, usize) = kin.input(); let mut g: Vec<_> = iter::repeat_with(Vec::new).take(2 * n + 1).collect(); for _ in 0..m { let (a, b, c): (usize, usize, u64) = kin.input(); g[a].push((b, c)); g[a].push((n + b, 0)); g[n + a].push((n + b, c)); g[b].push((a, c)); g[b].push((n + a, 0)); g[n + b].push((n + a, c)); } let dist = dijkstra(&g, 1); outputln!("{}", 0); for i in 2..=n { // eprintln!("{},{}", dist[i], dist[n + i]); outputln!("{}", dist[i] + dist[n + i]); } } pub fn dijkstra(g: &[Vec<(usize, u64)>], s: usize) -> Vec<u64> { use std::cmp::Reverse; let mut dist = vec![u64::max_value(); g.len()]; dist[s] = 0; let mut pq = BinaryHeap::new(); pq.push((Reverse(0), s)); while let Some((Reverse(d), u)) = pq.pop() { if d <= dist[u] { for &(v, c) in &g[u] { if d + c < dist[v] { pq.push((Reverse(d + c), v)); dist[v] = d + c; } } } } dist } // ----------------------------------------------------------------------------- pub mod kyoproio { #![warn(unused)] use std::io::prelude::*; pub trait Input: Sized { fn str(&mut self) -> &str; fn bytes(&mut self) -> &[u8] { self.str().as_ref() } fn input<T: InputParse>(&mut self) -> T { self.input_fallible().expect("input error") } fn input_fallible<T: InputParse>(&mut self) -> Result<T> { T::input(self) } fn iter<T: InputParse>(&mut self) -> Iter<T, Self> { Iter { input: self, _t: 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> { input: &'a mut I, _t: std::marker::PhantomData<T>, } impl<'a, T: InputParse, I: Input> Iterator for Iter<'a, T, I> { type Item = T; fn next(&mut self) -> Option<Self::Item> { Some(self.input.input()) } } type Result<T> = std::result::Result<T, Box<dyn std::error::Error + 'static>>; pub trait InputParse: Sized { fn input<I: Input>(input: &mut I) -> Result<Self>; } macro_rules! input_from_str_impls { { $($T:ty)* } => { $(impl InputParse for $T { fn input<I: Input>(input: &mut I) -> Result<Self> { input.str().parse::<$T>().map_err(|e| e.into()) } })* }; } input_from_str_impls! { String char bool f32 f64 isize i8 i16 i32 i64 i128 usize u8 u16 u32 u64 u128 } macro_rules! input_tuple_impls { ($H:ident, $($T:ident),+) => { impl<$H: InputParse, $($T: InputParse),+> InputParse for ($H, $($T),+) { fn input<I: Input>(input: &mut I) -> Result<Self> { Ok(($H::input(input)?, $($T::input(input)?),+)) } } input_tuple_impls!($($T),+); }; ($H:ident) => {}; } input_tuple_impls!(A, B, C, D, E, F, G); /* impl<T: InputParse, const N: usize> InputParse for [T; N] { fn input<I: Input>(input: &mut I) -> Result<Self> { let mut a = std::mem::MaybeUninit::<[T; N]>::uninit(); for i in 0..N { match T::input(input) { Ok(v) => unsafe { std::ptr::write(&mut (*a.as_mut_ptr())[i], v) }, Err(e) => unsafe { std::ptr::drop_in_place(&mut (*a.as_mut_ptr())[..i]); return Err(e); }, } } Ok(unsafe { a.assume_init() }) } } */ }