結果
問題 | No.470 Inverse S+T Problem |
ユーザー | hatoo |
提出日時 | 2017-10-19 16:52:10 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,564 bytes |
コンパイル時間 | 11,342 ms |
コンパイル使用メモリ | 402,008 KB |
実行使用メモリ | 7,424 KB |
最終ジャッジ日時 | 2024-06-01 22:53:27 |
合計ジャッジ時間 | 13,838 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 | WA | - |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 0 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
6,940 KB |
testcase_06 | AC | 25 ms
7,424 KB |
testcase_07 | AC | 380 ms
7,296 KB |
testcase_08 | AC | 77 ms
7,296 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 159 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | WA | - |
testcase_15 | AC | 5 ms
6,944 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 12 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,940 KB |
testcase_21 | AC | 1 ms
6,944 KB |
testcase_22 | AC | 1 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 1 ms
6,944 KB |
testcase_26 | AC | 1 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 15 ms
6,944 KB |
testcase_29 | AC | 6 ms
6,940 KB |
testcase_30 | AC | 300 ms
6,940 KB |
コンパイルメッセージ
warning: unnecessary parentheses around type --> src/main.rs:131:12 | 131 | let n: (usize) = util::get(); | ^ ^ | = note: `#[warn(unused_parens)]` on by default help: remove these parentheses | 131 - let n: (usize) = util::get(); 131 + let n: usize = util::get(); |
ソースコード
#[allow(unused_imports)] use std::cmp::{max, min, Ordering}; #[allow(unused_imports)] use std::collections::{HashMap, HashSet}; mod util { use std::io::stdin; use std::str::FromStr; use std::fmt::Debug; #[allow(dead_code)] pub fn line() -> String { let mut line: String = String::new(); stdin().read_line(&mut line).unwrap(); line.trim().to_string() } #[allow(dead_code)] pub fn get<T: FromStr>() -> T where <T as FromStr>::Err: Debug, { let mut line: String = String::new(); stdin().read_line(&mut line).unwrap(); line.trim().parse().unwrap() } #[allow(dead_code)] pub fn gets<T: FromStr>() -> Vec<T> where <T as FromStr>::Err: Debug, { let mut line: String = String::new(); stdin().read_line(&mut line).unwrap(); line.split_whitespace() .map(|t| t.parse().unwrap()) .collect() } #[allow(dead_code)] pub fn get2<T: FromStr, U: FromStr>() -> (T, U) where <T as FromStr>::Err: Debug, <U as FromStr>::Err: Debug, { let mut line: String = String::new(); stdin().read_line(&mut line).unwrap(); let mut iter = line.split_whitespace(); ( iter.next().unwrap().parse().unwrap(), iter.next().unwrap().parse().unwrap(), ) } #[allow(dead_code)] pub fn get3<S: FromStr, T: FromStr, U: FromStr>() -> (S, T, U) where <S as FromStr>::Err: Debug, <T as FromStr>::Err: Debug, <U as FromStr>::Err: Debug, { let mut line: String = String::new(); stdin().read_line(&mut line).unwrap(); let mut iter = line.split_whitespace(); ( iter.next().unwrap().parse().unwrap(), iter.next().unwrap().parse().unwrap(), iter.next().unwrap().parse().unwrap(), ) } } // std::cmp::Reverse doesn't have Clone. #[derive(Eq, PartialEq, Clone)] struct Rev<T>(pub T); impl<T: PartialOrd> PartialOrd for Rev<T> { fn partial_cmp(&self, other: &Rev<T>) -> Option<Ordering> { other.0.partial_cmp(&self.0) } } impl<T: Ord> Ord for Rev<T> { fn cmp(&self, other: &Rev<T>) -> Ordering { other.0.cmp(&self.0) } } #[allow(unused_macros)] macro_rules! debug { ($x: expr) => { println!("{}: {:?}", stringify!($x), $x) } } fn dfs( u: &[Vec<char>], i: usize, ans: &mut Vec<(String, String)>, memo: &mut HashSet<String>, ) -> bool { if i == u.len() { return true; } for k in 1..3 { let l: String = u[i][..k].iter().cloned().collect(); let r: String = u[i][k..].iter().cloned().collect(); if !memo.contains(&l) && !memo.contains(&r) { memo.insert(l.clone()); memo.insert(r.clone()); ans.push((l.clone(), r.clone())); if dfs(u, i + 1, ans, memo) { return true; } else { ans.pop(); memo.remove(&l); memo.remove(&r); } } if u[i][0] == u[i][2] { break; } } return false; } fn main() { let n: (usize) = util::get(); let u: Vec<Vec<char>> = (0..n).map(|_| util::line().chars().collect()).collect(); let mut ans = Vec::new(); if dfs(&u, 0, &mut ans, &mut HashSet::new()) { for &(ref a, ref b) in &ans { println!("{} {}", a, b); } } else { println!("Impossible"); } }