結果
問題 | No.470 Inverse S+T Problem |
ユーザー | hatoo |
提出日時 | 2017-10-19 20:37:41 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 18 ms / 2,000 ms |
コード長 | 4,781 bytes |
コンパイル時間 | 11,729 ms |
コンパイル使用メモリ | 404,240 KB |
実行使用メモリ | 7,296 KB |
最終ジャッジ日時 | 2024-06-01 22:54:10 |
合計ジャッジ時間 | 13,162 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 0 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 18 ms
7,296 KB |
testcase_07 | AC | 18 ms
7,296 KB |
testcase_08 | AC | 18 ms
7,296 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 1 ms
5,376 KB |
testcase_21 | AC | 1 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 1 ms
5,376 KB |
testcase_24 | AC | 1 ms
5,376 KB |
testcase_25 | AC | 1 ms
5,376 KB |
testcase_26 | AC | 1 ms
5,376 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 3 ms
5,376 KB |
testcase_29 | AC | 1 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
コンパイルメッセージ
warning: unnecessary parentheses around type --> src/main.rs:118:12 | 118 | let n: (usize) = util::get(); | ^ ^ | = note: `#[warn(unused_parens)]` on by default help: remove these parentheses | 118 - let n: (usize) = util::get(); 118 + 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(v: usize, edges: &[Vec<usize>], used: &mut [bool], vs: &mut Vec<usize>) { used[v] = true; for &to in &edges[v] { if !used[to] { dfs(to, edges, used, vs); } } vs.push(v); } fn rdfs(v: usize, k: usize, edges_rev: &[Vec<usize>], used: &mut [bool], cmp: &mut [usize]) { used[v] = true; cmp[v] = k; for &to in &edges_rev[v] { if !used[to] { rdfs(to, k, edges_rev, used, cmp); } } } fn main() { let n: (usize) = util::get(); let u: Vec<Vec<char>> = (0..n).map(|_| util::line().chars().collect()).collect(); if n > 52 { println!("Impossible"); return; } let mut edges = vec![Vec::new(); 2 * n]; let mut edges_rev = vec![Vec::new(); 2 * n]; for i in 0..n - 1 { let ui = &u[i]; for k in i + 1..n { let uk = &u[k]; for x in 1..3 { for y in 1..3 { if ui[..x] == uk[..y] || ui[..x] == uk[y..] || ui[x..] == uk[..y] || ui[x..] == uk[y..] { let vi = [i + n, i][x - 1]; let vk = [k, k + n][y - 1]; edges[vi].push(vk); edges_rev[vk].push(vi); let vi = [i, i + n][x - 1]; let vk = [k + n, k][y - 1]; edges[vk].push(vi); edges_rev[vi].push(vk); } } } } } let mut used = vec![false; 2 * n]; let mut vs = Vec::new(); for v in 0..n { if !used[v] { dfs(v, &edges, &mut used, &mut vs); } } let mut k = 0; used = vec![false; 2 * n]; let mut cmp = (2 * n..4 * n).collect::<Vec<_>>(); for &v in vs.iter().rev() { if !used[v] { rdfs(v, k, &edges_rev, &mut used, &mut cmp); k += 1; } } for i in 0..n { if cmp[i] == cmp[i + n] { println!("Impossible"); return; } } for i in 0..n { if cmp[i] > cmp[i + n] { println!("{} {}", &u[i][..2].iter().collect::<String>(), u[i][2]); } else { println!("{} {}", &u[i][0], u[i][1..].iter().collect::<String>()); } } }