結果
問題 | No.1190 Points |
ユーザー | koba-e964 |
提出日時 | 2020-08-30 12:38:56 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 101 ms / 2,000 ms |
コード長 | 3,554 bytes |
コンパイル時間 | 13,995 ms |
コンパイル使用メモリ | 402,712 KB |
実行使用メモリ | 23,064 KB |
最終ジャッジ日時 | 2024-11-15 06:23:46 |
合計ジャッジ時間 | 16,876 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
6,816 KB |
testcase_01 | AC | 1 ms
6,820 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 56 ms
15,960 KB |
testcase_04 | AC | 46 ms
14,336 KB |
testcase_05 | AC | 43 ms
13,456 KB |
testcase_06 | AC | 76 ms
19,504 KB |
testcase_07 | AC | 85 ms
21,108 KB |
testcase_08 | AC | 79 ms
23,064 KB |
testcase_09 | AC | 74 ms
20,840 KB |
testcase_10 | AC | 80 ms
22,892 KB |
testcase_11 | AC | 54 ms
15,564 KB |
testcase_12 | AC | 79 ms
21,920 KB |
testcase_13 | AC | 52 ms
14,132 KB |
testcase_14 | AC | 18 ms
11,012 KB |
testcase_15 | AC | 96 ms
21,880 KB |
testcase_16 | AC | 11 ms
6,820 KB |
testcase_17 | AC | 85 ms
20,344 KB |
testcase_18 | AC | 45 ms
14,644 KB |
testcase_19 | AC | 17 ms
12,080 KB |
testcase_20 | AC | 51 ms
13,956 KB |
testcase_21 | AC | 26 ms
9,740 KB |
testcase_22 | AC | 32 ms
15,472 KB |
testcase_23 | AC | 101 ms
22,356 KB |
testcase_24 | AC | 95 ms
22,364 KB |
testcase_25 | AC | 80 ms
21,792 KB |
testcase_26 | AC | 59 ms
19,696 KB |
testcase_27 | AC | 80 ms
21,908 KB |
ソースコード
#[allow(unused_imports)] use std::cmp::*; #[allow(unused_imports)] use std::collections::*; use std::io::{Write, BufWriter}; // https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 macro_rules! input { ($($r:tt)*) => { let stdin = std::io::stdin(); let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock())); let mut next = move || -> String{ bytes .by_ref() .map(|r|r.unwrap() as char) .skip_while(|c|c.is_whitespace()) .take_while(|c|!c.is_whitespace()) .collect() }; input_inner!{next, $($r)*} }; } macro_rules! input_inner { ($next:expr) => {}; ($next:expr, ) => {}; ($next:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($next, $t); input_inner!{$next $($r)*} }; } macro_rules! read_value { ($next:expr, [graph1; $len:expr]) => {{ let mut g = vec![vec![]; $len]; let ab = read_value!($next, [(usize1, usize1)]); for (a, b) in ab { g[a].push(b); g[b].push(a); } g }}; ($next:expr, ( $($t:tt),* )) => { ( $(read_value!($next, $t)),* ) }; ($next:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }; ($next:expr, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, usize1) => (read_value!($next, usize) - 1); ($next:expr, [ $t:tt ]) => {{ let len = read_value!($next, usize); read_value!($next, [$t; len]) }}; ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error")); } #[allow(unused)] macro_rules! debug { ($($format:tt)*) => (write!(std::io::stderr(), $($format)*).unwrap()); } #[allow(unused)] macro_rules! debugln { ($($format:tt)*) => (writeln!(std::io::stderr(), $($format)*).unwrap()); } const INF: i64 = 1 << 30; fn bfs(g: &[Vec<usize>], v: usize) -> Vec<i64> { let n = g.len(); let mut dist = vec![INF; n]; let mut que = VecDeque::new(); que.push_back((0, v)); while let Some((d, v)) = que.pop_front() { if dist[v] <= d { continue; } dist[v] = d; for &w in &g[v] { que.push_back((d + 1, w)); } } dist } fn solve() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts { ($($format:tt)*) => (let _ = write!(out,$($format)*);); } input! { n: usize, m: usize, p: i64, s: usize1, t: usize1, ab: [(usize1, usize1); m], } let mut g = vec![vec![]; 2 * n]; for &(a, b) in &ab { g[a].push(b + n); g[a + n].push(b); g[b].push(a + n); g[b + n].push(a); } let sdist = bfs(&g, s); let tdist = bfs(&g, t + if p % 2 == 1 { n } else { 0 }); let mut ans = vec![]; for i in 0..2 * n { if sdist[i] < INF && tdist[i] < INF && p >= sdist[i] + tdist[i] { ans.push(i % n); } } ans.sort(); ans.dedup(); if ans.is_empty() { puts!("-1\n"); } else { puts!("{}\n", ans.len()); for a in ans { puts!("{}\n", a + 1); } } } fn main() { // In order to avoid potential stack overflow, spawn a new thread. let stack_size = 104_857_600; // 100 MB let thd = std::thread::Builder::new().stack_size(stack_size); thd.spawn(|| solve()).unwrap().join().unwrap(); }