結果
問題 | No.1244 Black Segment |
ユーザー | ziita |
提出日時 | 2021-04-16 09:36:09 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 57 ms / 2,000 ms |
コード長 | 4,020 bytes |
コンパイル時間 | 12,954 ms |
コンパイル使用メモリ | 379,416 KB |
実行使用メモリ | 12,544 KB |
最終ジャッジ日時 | 2024-07-02 13:30:04 |
合計ジャッジ時間 | 16,657 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 2 ms
6,812 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 21 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 21 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 30 ms
8,960 KB |
testcase_19 | AC | 41 ms
10,240 KB |
testcase_20 | AC | 43 ms
10,880 KB |
testcase_21 | AC | 35 ms
10,904 KB |
testcase_22 | AC | 42 ms
10,880 KB |
testcase_23 | AC | 46 ms
10,880 KB |
testcase_24 | AC | 43 ms
11,136 KB |
testcase_25 | AC | 42 ms
11,264 KB |
testcase_26 | AC | 41 ms
10,752 KB |
testcase_27 | AC | 44 ms
11,264 KB |
testcase_28 | AC | 42 ms
11,520 KB |
testcase_29 | AC | 40 ms
10,992 KB |
testcase_30 | AC | 44 ms
11,392 KB |
testcase_31 | AC | 44 ms
11,520 KB |
testcase_32 | AC | 42 ms
11,392 KB |
testcase_33 | AC | 40 ms
11,776 KB |
testcase_34 | AC | 57 ms
12,416 KB |
testcase_35 | AC | 51 ms
12,544 KB |
testcase_36 | AC | 49 ms
12,160 KB |
testcase_37 | AC | 56 ms
12,488 KB |
testcase_38 | AC | 49 ms
11,520 KB |
ソースコード
#![allow(unused_imports)] #![allow(non_snake_case, unused)] use std::cmp::*; use std::collections::*; use std::ops::*; // https://atcoder.jp/contests/hokudai-hitachi2019-1/submissions/10518254 より macro_rules! eprint { ($($t:tt)*) => {{ use ::std::io::Write; let _ = write!(::std::io::stderr(), $($t)*); }}; } macro_rules! eprintln { () => { eprintln!(""); }; ($($t:tt)*) => {{ use ::std::io::Write; let _ = writeln!(::std::io::stderr(), $($t)*); }}; } macro_rules! dbg { ($v:expr) => {{ let val = $v; eprintln!("[{}:{}] {} = {:?}", file!(), line!(), stringify!($v), val); val }} } macro_rules! mat { ($($e:expr),*) => { Vec::from(vec![$($e),*]) }; ($($e:expr,)*) => { Vec::from(vec![$($e),*]) }; ($e:expr; $d:expr) => { Vec::from(vec![$e; $d]) }; ($e:expr; $d:expr $(; $ds:expr)+) => { Vec::from(vec![mat![$e $(; $ds)*]; $d]) }; } macro_rules! ok { ($a:ident$([$i:expr])*.$f:ident()$(@$t:ident)*) => { $a$([$i])*.$f($($t),*) }; ($a:ident$([$i:expr])*.$f:ident($e:expr$(,$es:expr)*)$(@$t:ident)*) => { { let t = $e; ok!($a$([$i])*.$f($($es),*)$(@$t)*@t) } }; } pub fn readln() -> String { let mut line = String::new(); ::std::io::stdin().read_line(&mut line).unwrap_or_else(|e| panic!("{}", e)); line } macro_rules! read { ($($t:tt),*; $n:expr) => {{ let stdin = ::std::io::stdin(); let ret = ::std::io::BufRead::lines(stdin.lock()).take($n).map(|line| { let line = line.unwrap(); let mut it = line.split_whitespace(); _read!(it; $($t),*) }).collect::<Vec<_>>(); ret }}; ($($t:tt),*) => {{ let line = readln(); let mut it = line.split_whitespace(); _read!(it; $($t),*) }}; } macro_rules! _read { ($it:ident; [char]) => { _read!($it; String).chars().collect::<Vec<_>>() }; ($it:ident; [u8]) => { Vec::from(_read!($it; String).into_bytes()) }; ($it:ident; usize1) => { $it.next().unwrap_or_else(|| panic!("input mismatch")).parse::<usize>().unwrap_or_else(|e| panic!("{}", e)) - 1 }; ($it:ident; [usize1]) => { $it.map(|s| s.parse::<usize>().unwrap_or_else(|e| panic!("{}", e)) - 1).collect::<Vec<_>>() }; ($it:ident; [$t:ty]) => { $it.map(|s| s.parse::<$t>().unwrap_or_else(|e| panic!("{}", e))).collect::<Vec<_>>() }; ($it:ident; $t:ty) => { $it.next().unwrap_or_else(|| panic!("input mismatch")).parse::<$t>().unwrap_or_else(|e| panic!("{}", e)) }; ($it:ident; $($t:tt),+) => { ($(_read!($it; $t)),*) }; } pub fn main() { let _ = ::std::thread::Builder::new().name("run".to_string()).stack_size(32 * 1024 * 1024).spawn(run).unwrap().join(); } const MOD: usize = 998244353; // const MOD: usize = 1_000_000_007; const INF: i64 = std::i64::MAX/100; // const INF: usize = std::usize::MAX; // const INF: i128 = std::i128::MAX/100; fn solve() { let (n,m,a,b) = read!(usize,usize,usize,usize); let lr = read!(usize,usize;m); let mut edge = vec![vec![];n+3]; for &(l,r) in &lr { edge[l-1].push(r); edge[r].push(l-1); } let s = n+1; let t = n+2; for i in 0..a { edge[s].push(i); } for i in b..n+1 { edge[i].push(t); } let mut q = BinaryHeap::new(); let mut dist = vec![INF;n+3]; q.push(Reverse((0,s))); dist[s] = 0; while let Some(Reverse((c,x))) = q.pop() { if dist[x]<c { continue; } for &e in &edge[x] { let nc = c + 1; if nc<dist[e] { dist[e] = nc; q.push(Reverse((nc,e))); } } } if dist[t]!=INF { println!("{}",dist[t]-2); } else { println!("-1"); } } fn run() { let stack_size = 104_857_600; // 100 MB let thd = std::thread::Builder::new().stack_size(stack_size); solve(); }