結果
問題 | No.1473 おでぶなおばけさん |
ユーザー | taotao54321 |
提出日時 | 2021-04-15 06:09:55 |
言語 | Rust (1.77.0) |
結果 |
AC
|
実行時間 | 197 ms / 2,000 ms |
コード長 | 2,765 bytes |
コンパイル時間 | 6,603 ms |
コンパイル使用メモリ | 144,832 KB |
実行使用メモリ | 16,668 KB |
最終ジャッジ日時 | 2023-09-13 20:20:23 |
合計ジャッジ時間 | 7,256 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge12 |
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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
4,380 KB |
testcase_01 | AC | 1 ms
4,376 KB |
testcase_02 | AC | 146 ms
16,220 KB |
testcase_03 | AC | 69 ms
12,620 KB |
testcase_04 | AC | 67 ms
9,700 KB |
testcase_05 | AC | 26 ms
4,440 KB |
testcase_06 | AC | 111 ms
12,800 KB |
testcase_07 | AC | 106 ms
16,624 KB |
testcase_08 | AC | 197 ms
16,668 KB |
testcase_09 | AC | 102 ms
16,656 KB |
testcase_10 | AC | 19 ms
8,352 KB |
testcase_11 | AC | 21 ms
9,812 KB |
testcase_12 | AC | 19 ms
9,192 KB |
testcase_13 | AC | 12 ms
5,988 KB |
testcase_14 | AC | 9 ms
4,932 KB |
testcase_15 | AC | 19 ms
8,724 KB |
testcase_16 | AC | 17 ms
7,452 KB |
testcase_17 | AC | 2 ms
4,380 KB |
testcase_18 | AC | 4 ms
4,376 KB |
testcase_19 | AC | 30 ms
8,472 KB |
testcase_20 | AC | 51 ms
11,572 KB |
testcase_21 | AC | 57 ms
10,256 KB |
testcase_22 | AC | 33 ms
12,360 KB |
testcase_23 | AC | 32 ms
10,776 KB |
testcase_24 | AC | 28 ms
11,064 KB |
testcase_25 | AC | 166 ms
12,016 KB |
testcase_26 | AC | 168 ms
14,104 KB |
testcase_27 | AC | 31 ms
5,816 KB |
testcase_28 | AC | 176 ms
16,500 KB |
testcase_29 | AC | 58 ms
10,512 KB |
testcase_30 | AC | 90 ms
13,464 KB |
testcase_31 | AC | 80 ms
14,152 KB |
testcase_32 | AC | 70 ms
13,116 KB |
testcase_33 | AC | 51 ms
11,152 KB |
testcase_34 | AC | 28 ms
6,676 KB |
testcase_35 | AC | 21 ms
6,692 KB |
testcase_36 | AC | 48 ms
9,080 KB |
testcase_37 | AC | 85 ms
11,344 KB |
testcase_38 | AC | 10 ms
4,376 KB |
testcase_39 | AC | 18 ms
7,760 KB |
testcase_40 | AC | 18 ms
7,768 KB |
testcase_41 | AC | 18 ms
7,292 KB |
testcase_42 | AC | 17 ms
7,324 KB |
testcase_43 | AC | 23 ms
11,332 KB |
testcase_44 | AC | 24 ms
11,324 KB |
testcase_45 | AC | 23 ms
11,272 KB |
testcase_46 | AC | 49 ms
10,168 KB |
testcase_47 | AC | 65 ms
11,524 KB |
testcase_48 | AC | 77 ms
11,408 KB |
ソースコード
//! # Bundled libraries //! //! - `procon-rs-prelude 0.1.0 (git+https://github.com/taotao54321/procon-rs-prelude.git#72195b0f962bb7e549df9c60c9c76160d0655ac7)` licensed under **missing** as `crate::procon_rs_prelude` #![allow(clippy::many_single_char_names)] /*#[macro_use] extern crate procon_rs_prelude as _;*/ use std::collections::VecDeque; use std::io::Read as _; fn solve(n: usize, graph: &[Vec<(usize, u32)>]) -> (u32, u32) { const W_MAX: u32 = 10_u32.pow(9) + 1; let mut ans_k = try_bfs(n, graph, 1).unwrap(); let mut lo = 1; let mut hi = W_MAX; while lo + 1 < hi { let mid = (lo + hi) / 2; if let Some(k) = try_bfs(n, graph, mid) { ans_k = k; lo = mid; } else { hi = mid; } } (lo, ans_k) } fn try_bfs(n: usize, graph: &[Vec<(usize, u32)>], w: u32) -> Option<u32> { const INF: u32 = u32::MAX; let mut ks = vec![INF; n]; let mut que = VecDeque::new(); ks[0] = 0; que.push_back(0); while !que.is_empty() { let s = que.pop_front().unwrap(); let k_new = ks[s] + 1; for &(t, d) in &graph[s] { if d < w { continue; } if chmin!(ks[t], k_new) { que.push_back(t); } } } let res = ks[n - 1]; (res != INF).then(|| res) } fn main() { let mut input = String::new(); std::io::stdin().read_to_string(&mut input).unwrap(); let mut tokens = input.split_ascii_whitespace(); macro_rules! read { ($ty:ty) => {{ tokens.next().unwrap().parse::<$ty>().unwrap() }}; } let n = read!(usize); let m = read!(usize); let mut graph: Vec<Vec<(usize, u32)>> = vec![vec![]; n]; for _ in 0..m { let s = read!(usize) - 1; let t = read!(usize) - 1; let d = read!(u32); graph[s].push((t, d)); graph[t].push((s, d)); } let (ans_w, ans_k) = solve(n, &graph); println!("{} {}", ans_w, ans_k); } // The following code was expanded by `cargo-equip`. #[allow(clippy::deprecated_cfg_attr)]#[cfg_attr(rustfmt,rustfmt::skip)]#[allow(unused)]pub mod procon_rs_prelude{pub use crate::{chmax,chmin,dbg,debug};#[macro_export]macro_rules!chmin{($xmin:expr,$x:expr)=>{{if$x<$xmin{$xmin=$x;true}else{false}}};}#[macro_export]macro_rules!chmax{($xmax:expr,$x:expr)=>{{if$xmax<$x{$xmax=$x;true}else{false}}};}#[macro_export]macro_rules!debug{($($x:expr),+$(,)?)=>{{#[cfg(debug_assertions)]::std::eprintln!(::std::concat!("[{}:{}]",$(" ",::std::stringify!($x),"={:?}"),+),::std::file!(),::std::line!(),$($x),+);}};}#[macro_export]macro_rules!dbg{($($_:expr),*$(,)*)=>{{::std::compile_error!("DO NOT USE std::dbg! for procon!");}};}}