結果
問題 | No.464 PPAP |
ユーザー | hatoo |
提出日時 | 2017-11-03 19:11:04 |
言語 | Rust (1.77.0 + proconio) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,354 bytes |
コンパイル時間 | 15,385 ms |
コンパイル使用メモリ | 379,176 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-22 15:41:19 |
合計ジャッジ時間 | 17,469 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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 43 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | TLE | - |
testcase_11 | AC | 84 ms
5,248 KB |
testcase_12 | AC | 306 ms
5,248 KB |
testcase_13 | AC | 1 ms
5,248 KB |
testcase_14 | AC | 6 ms
5,248 KB |
testcase_15 | AC | 1 ms
5,248 KB |
testcase_16 | AC | 1 ms
5,248 KB |
testcase_17 | AC | 1 ms
5,248 KB |
testcase_18 | AC | 1 ms
5,248 KB |
testcase_19 | AC | 1 ms
5,248 KB |
testcase_20 | AC | 1 ms
5,248 KB |
testcase_21 | AC | 1 ms
5,248 KB |
testcase_22 | AC | 1 ms
5,248 KB |
testcase_23 | AC | 1 ms
5,248 KB |
testcase_24 | AC | 1 ms
5,248 KB |
testcase_25 | AC | 1 ms
5,248 KB |
ソースコード
#[allow(unused_imports)] use std::cmp::{max, min, Ordering}; #[allow(unused_imports)] use std::collections::{HashMap, HashSet, BinaryHeap, VecDeque}; #[allow(unused_imports)] use std::iter::FromIterator; 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(), ) } } #[allow(unused_macros)] macro_rules! debug { ($x: expr) => { println!("{}: {:?}", stringify!($x), $x) } } fn main() { let s: Vec<char> = util::line().chars().collect(); let mut front = Vec::new(); let mut back = Vec::new(); { let mut a = VecDeque::new(); let mut b = VecDeque::new(); for (i, &c) in s.iter().enumerate() { a.push_front(c); b.push_back(c); if a == b { front.push(i); } } } { let mut a = VecDeque::new(); let mut b = VecDeque::new(); for (i, &c) in s.iter().enumerate().rev() { a.push_front(c); b.push_back(c); if a == b { back.push(i); } } } let mut ans = 0; back.sort(); for &p in &front { let mut a = VecDeque::new(); let mut b = VecDeque::new(); for (&c, i) in s[p + 1..].iter().zip(1..) { a.push_front(c); b.push_back(c); if a == b { ans += back.len() as u64 - match back.binary_search(&(p + i + 2)) { Ok(x) => x as u64, Err(x) => x as u64, }; } } } println!("{}", ans); }