結果
問題 | No.1188 レベルX門松列 |
ユーザー | nebocco |
提出日時 | 2020-08-22 15:09:14 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 32 ms / 2,000 ms |
コード長 | 4,050 bytes |
コンパイル時間 | 13,678 ms |
コンパイル使用メモリ | 377,764 KB |
実行使用メモリ | 6,400 KB |
最終ジャッジ日時 | 2024-10-15 09:26:31 |
合計ジャッジ時間 | 15,144 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 | 9 ms
6,016 KB |
testcase_01 | AC | 26 ms
5,376 KB |
testcase_02 | AC | 24 ms
5,248 KB |
testcase_03 | AC | 32 ms
6,144 KB |
testcase_04 | AC | 12 ms
6,396 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 6 ms
5,632 KB |
testcase_07 | AC | 14 ms
6,272 KB |
testcase_08 | AC | 15 ms
6,144 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 3 ms
5,248 KB |
testcase_12 | AC | 3 ms
5,248 KB |
testcase_13 | AC | 3 ms
5,248 KB |
testcase_14 | AC | 20 ms
5,248 KB |
testcase_15 | AC | 32 ms
6,400 KB |
testcase_16 | AC | 1 ms
5,248 KB |
testcase_17 | AC | 25 ms
5,504 KB |
testcase_18 | AC | 1 ms
5,248 KB |
testcase_19 | AC | 24 ms
5,376 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 |
ソースコード
#![allow(dead_code, unused_mut, unused_macros)] #![allow(non_snake_case)] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; ($($r:tt)*) => { let mut 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, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } macro_rules ! max {($ a : expr $ (, ) * ) => {{$ a } } ; ($ a : expr , $ b : expr $ (, ) * ) => {{std :: cmp :: max ($ a , $ b ) } } ; ($ a : expr , $ ($ rest : expr ) ,+ $ (, ) * ) => {{std :: cmp :: max ($ a , max ! ($ ($ rest ) ,+ ) ) } } ; } macro_rules ! min {($ a : expr $ (, ) * ) => {{$ a } } ; ($ a : expr , $ b : expr $ (, ) * ) => {{std :: cmp :: min ($ a , $ b ) } } ; ($ a : expr , $ ($ rest : expr ) ,+ $ (, ) * ) => {{std :: cmp :: min ($ a , min ! ($ ($ rest ) ,+ ) ) } } ; } macro_rules ! chmin {($ base : expr , $ ($ cmps : expr ) ,+ $ (, ) * ) => {{let cmp_min = min ! ($ ($ cmps ) ,+ ) ; if $ base > cmp_min {$ base = cmp_min ; true } else {false } } } ; } macro_rules ! chmax {($ base : expr , $ ($ cmps : expr ) ,+ $ (, ) * ) => {{let cmp_max = max ! ($ ($ cmps ) ,+ ) ; if $ base < cmp_max {$ base = cmp_max ; true } else {false } } } ; } const MOD: usize = 998244353; fn lds(a: &Vec<u32>) -> Vec<usize> { let n = a.len(); let mut res = vec![0; n]; let mut st = Vec::new(); for i in 0..n { if st.last().unwrap_or(&1_000_000_001) > &a[i] { res[i] = st.len(); st.push(a[i]); } else { let mut ok: i32 = -1 ; let mut ng: i32 = st.len() as i32; while ng - ok > 1 { let mid = (ok + ng) as usize / 2; if st[mid] > a[i] { ok = mid as i32; } else { ng = mid as i32; } } res[i] = ng as usize; st[ng as usize] = a[i]; } } res } fn lis(a: &Vec<u32>) -> Vec<usize> { let n = a.len(); let mut res = vec![0; n]; let mut st = Vec::new(); for i in 0..n { if st.last().unwrap_or(&0) < &a[i] { res[i] = st.len(); st.push(a[i]); } else { let mut ok: i32 = -1 ; let mut ng: i32 = st.len() as i32; while ng - ok > 1 { let mid = (ok + ng) as usize / 2; if st[mid] < a[i] { ok = mid as i32; } else { ng = mid as i32; } } res[i] = ng as usize; st[ng as usize] = a[i]; } } res } use std::cmp::min; fn main() { input!{ n:usize, a:[u32; n] } let mut a = a; let ne = lis(&a); let se = lds(&a); a.reverse(); let mut nw = lis(&a); nw.reverse(); let mut sw = lds(&a); sw.reverse(); let mut ans = 0; // println!("{:?}", ne); // println!("{:?}", nw); // println!("{:?}", se); // println!("{:?}", sw); for i in 0..n { chmax!(ans, min(ne[i], nw[i])); chmax!(ans, min(se[i], sw[i])); } println!("{}", ans); }