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 + proconio) |
結果 |
AC
|
実行時間 | 181 ms / 2,000 ms |
コード長 | 2,765 bytes |
コンパイル時間 | 12,479 ms |
コンパイル使用メモリ | 402,696 KB |
実行使用メモリ | 14,696 KB |
最終ジャッジ日時 | 2024-07-01 04:49:28 |
合計ジャッジ時間 | 18,372 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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
6,812 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 140 ms
13,952 KB |
testcase_03 | AC | 69 ms
12,160 KB |
testcase_04 | AC | 67 ms
8,704 KB |
testcase_05 | AC | 26 ms
6,940 KB |
testcase_06 | AC | 120 ms
12,672 KB |
testcase_07 | AC | 108 ms
14,696 KB |
testcase_08 | AC | 181 ms
14,632 KB |
testcase_09 | AC | 98 ms
14,564 KB |
testcase_10 | AC | 18 ms
7,808 KB |
testcase_11 | AC | 21 ms
9,216 KB |
testcase_12 | AC | 18 ms
8,576 KB |
testcase_13 | AC | 12 ms
6,944 KB |
testcase_14 | AC | 8 ms
6,944 KB |
testcase_15 | AC | 17 ms
7,680 KB |
testcase_16 | AC | 16 ms
7,040 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 4 ms
6,944 KB |
testcase_19 | AC | 30 ms
7,424 KB |
testcase_20 | AC | 53 ms
10,624 KB |
testcase_21 | AC | 64 ms
9,600 KB |
testcase_22 | AC | 36 ms
11,392 KB |
testcase_23 | AC | 32 ms
10,656 KB |
testcase_24 | AC | 27 ms
9,856 KB |
testcase_25 | AC | 167 ms
11,776 KB |
testcase_26 | AC | 168 ms
12,160 KB |
testcase_27 | AC | 29 ms
6,944 KB |
testcase_28 | AC | 178 ms
14,504 KB |
testcase_29 | AC | 62 ms
10,112 KB |
testcase_30 | AC | 89 ms
11,392 KB |
testcase_31 | AC | 84 ms
13,696 KB |
testcase_32 | AC | 73 ms
12,544 KB |
testcase_33 | AC | 52 ms
10,368 KB |
testcase_34 | AC | 28 ms
6,944 KB |
testcase_35 | AC | 21 ms
6,940 KB |
testcase_36 | AC | 48 ms
8,448 KB |
testcase_37 | AC | 87 ms
10,584 KB |
testcase_38 | AC | 10 ms
6,940 KB |
testcase_39 | AC | 17 ms
7,296 KB |
testcase_40 | AC | 16 ms
7,168 KB |
testcase_41 | AC | 16 ms
6,944 KB |
testcase_42 | AC | 16 ms
6,940 KB |
testcase_43 | AC | 22 ms
10,880 KB |
testcase_44 | AC | 22 ms
10,752 KB |
testcase_45 | AC | 21 ms
10,752 KB |
testcase_46 | AC | 48 ms
9,728 KB |
testcase_47 | AC | 71 ms
11,228 KB |
testcase_48 | AC | 87 ms
10,824 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!");}};}}