結果
問題 | No.1606 Stuffed Animals Keeper |
ユーザー | akakimidori |
提出日時 | 2021-07-16 21:44:42 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,044 bytes |
コンパイル時間 | 13,718 ms |
コンパイル使用メモリ | 391,456 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-06 08:45:30 |
合計ジャッジ時間 | 17,851 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | WA | - |
testcase_02 | AC | 1 ms
6,820 KB |
testcase_03 | WA | - |
testcase_04 | AC | 217 ms
6,940 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | AC | 276 ms
6,944 KB |
testcase_17 | AC | 277 ms
6,940 KB |
testcase_18 | WA | - |
testcase_19 | AC | 288 ms
6,944 KB |
testcase_20 | AC | 286 ms
6,940 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 54 ms
6,940 KB |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | AC | 1 ms
6,944 KB |
testcase_33 | WA | - |
testcase_34 | AC | 1 ms
6,944 KB |
testcase_35 | AC | 8 ms
6,944 KB |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | AC | 1 ms
6,940 KB |
testcase_40 | AC | 1 ms
6,940 KB |
testcase_41 | AC | 1 ms
6,944 KB |
testcase_42 | AC | 1 ms
6,940 KB |
testcase_43 | WA | - |
testcase_44 | AC | 204 ms
6,944 KB |
testcase_45 | AC | 203 ms
6,944 KB |
testcase_46 | AC | 202 ms
6,944 KB |
testcase_47 | AC | 203 ms
6,940 KB |
testcase_48 | AC | 1 ms
6,940 KB |
testcase_49 | WA | - |
testcase_50 | AC | 1 ms
6,940 KB |
コンパイルメッセージ
warning: unused import: `std::io::Write` --> src/main.rs:73:5 | 73 | use std::io::Write; | ^^^^^^^^^^^^^^ | = note: `#[warn(unused_imports)]` on by default warning: type alias `Set` is never used --> src/main.rs:76:6 | 76 | type Set<T> = BTreeSet<T>; | ^^^ | = note: `#[warn(dead_code)]` on by default warning: type alias `Deque` is never used --> src/main.rs:77:6 | 77 | type Deque<T> = VecDeque<T>; | ^^^^^
ソースコード
// ---------- begin chmin, chmax ---------- pub trait ChangeMinMax { fn chmin(&mut self, x: Self) -> bool; fn chmax(&mut self, x: Self) -> bool; } impl<T: PartialOrd> ChangeMinMax for T { fn chmin(&mut self, x: Self) -> bool { *self > x && { *self = x; true } } fn chmax(&mut self, x: Self) -> bool { *self < x && { *self = x; true } } } // ---------- end chmin, chmax ---------- // ---------- begin input macro ---------- // reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; ($($r:tt)*) => { let s = { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::<Vec<char>>() }; ($iter:expr, bytes) => { read_value!($iter, String).bytes().collect::<Vec<u8>>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } // ---------- end input macro ---------- use std::collections::*; use std::io::Write; type Map<K, V> = BTreeMap<K, V>; type Set<T> = BTreeSet<T>; type Deque<T> = VecDeque<T>; fn run() { input! { n: usize, a: [u8; n], } let mut a = a; a.push(2); let inf = 2 * n + 1; let mut dp = Map::new(); dp.insert((0, 0), 0); let mut x = 0; let mut y = 0; for a in a.iter() { if *a == 2 { if (x, y) == (0, 0) { continue; } let len = x + y; let mut next = Map::new(); for (a, cost) in dp { next.entry((a.0 + len, a.1)).or_insert(inf).chmin(cost + x); next.entry((a.0, a.1 + len)).or_insert(inf).chmin(cost + y); } dp = next; x = 0; y = 0; } else if *a == 1 { x += 1; } else { y += 1; } } let mut ans = inf; for ((a, b), c) in dp { if a == b { ans.chmin(c); } } if ans < inf { println!("{}", ans / 2); } else { println!("-1"); } } fn main() { run(); }