結果
問題 | No.1190 Points |
ユーザー | atcoder8 |
提出日時 | 2023-04-23 10:53:26 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 220 ms / 2,000 ms |
コード長 | 3,398 bytes |
コンパイル時間 | 15,192 ms |
コンパイル使用メモリ | 377,732 KB |
実行使用メモリ | 24,832 KB |
最終ジャッジ日時 | 2024-11-07 18:45:06 |
合計ジャッジ時間 | 18,499 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 110 ms
18,304 KB |
testcase_04 | AC | 72 ms
16,640 KB |
testcase_05 | AC | 117 ms
14,976 KB |
testcase_06 | AC | 96 ms
23,168 KB |
testcase_07 | AC | 173 ms
24,320 KB |
testcase_08 | AC | 217 ms
24,448 KB |
testcase_09 | AC | 198 ms
22,528 KB |
testcase_10 | AC | 220 ms
24,448 KB |
testcase_11 | AC | 137 ms
17,280 KB |
testcase_12 | AC | 198 ms
24,064 KB |
testcase_13 | AC | 118 ms
14,464 KB |
testcase_14 | AC | 22 ms
15,104 KB |
testcase_15 | AC | 216 ms
24,448 KB |
testcase_16 | AC | 11 ms
6,144 KB |
testcase_17 | AC | 193 ms
23,168 KB |
testcase_18 | AC | 68 ms
9,344 KB |
testcase_19 | AC | 23 ms
18,944 KB |
testcase_20 | AC | 98 ms
12,416 KB |
testcase_21 | AC | 25 ms
12,288 KB |
testcase_22 | AC | 33 ms
20,480 KB |
testcase_23 | AC | 219 ms
24,704 KB |
testcase_24 | AC | 219 ms
24,832 KB |
testcase_25 | AC | 79 ms
24,576 KB |
testcase_26 | AC | 48 ms
24,192 KB |
testcase_27 | AC | 81 ms
24,448 KB |
ソースコード
use std::collections::VecDeque; fn main() { let (n, m, p) = { let mut line = String::new(); std::io::stdin().read_line(&mut line).unwrap(); let mut iter = line.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), ) }; let (s, g) = { let mut line = String::new(); std::io::stdin().read_line(&mut line).unwrap(); let mut iter = line.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap() - 1, iter.next().unwrap().parse::<usize>().unwrap() - 1, ) }; let uv: Vec<_> = (0..m) .map(|_| { let mut line = String::new(); std::io::stdin().read_line(&mut line).unwrap(); let mut iter = line.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap() - 1, iter.next().unwrap().parse::<usize>().unwrap() - 1, ) }) .collect(); let mut graph = vec![vec![]; n]; for &(a, b) in &uv { graph[a].push(b); graph[b].push(a); } graph.iter_mut().for_each(|x| x.sort_unstable()); let mut distances: Vec<Vec<Option<usize>>> = vec![vec![None; 2]; n]; distances[s][0] = Some(0); let mut queue = VecDeque::from(vec![s]); while let Some(cur) = queue.pop_front() { for &next in &graph[cur] { for cur_parity in 0..2 { let next_parity = 1 - cur_parity; if let Some(cur_dist) = distances[cur][cur_parity] { let next_dist = &mut distances[next][next_parity]; if next_dist.is_none() || cur_dist + 1 < next_dist.unwrap() { *next_dist = Some(cur_dist + 1); queue.push_back(next); } } } } } let mut rev_distances: Vec<Vec<Option<usize>>> = vec![vec![None; 2]; n]; rev_distances[g][0] = Some(0); let mut queue = VecDeque::from(vec![g]); while let Some(cur) = queue.pop_front() { for &next in &graph[cur] { for cur_parity in 0..2 { let next_parity = 1 - cur_parity; if let Some(cur_dist) = rev_distances[cur][cur_parity] { let next_dist = &mut rev_distances[next][next_parity]; if next_dist.is_none() || cur_dist + 1 < next_dist.unwrap() { *next_dist = Some(cur_dist + 1); queue.push_back(next); } } } } } let mut flags = vec![false; n]; let p_parity = p % 2; for i in 0..n { for parity1 in 0..2 { let parity2 = (p_parity + parity1) % 2; if let (Some(dist1), Some(dist2)) = (distances[i][parity1], rev_distances[i][parity2]) { if dist1 + dist2 <= p { flags[i] = true; } } } } let ans_num = flags.iter().filter(|&&x| x).count(); if ans_num == 0 { println!("-1"); std::process::exit(0); } println!("{}", ans_num); for i in (0..n).filter(|&i| flags[i]) { println!("{}", i + 1); } }