結果
問題 | No.1095 Smallest Kadomatsu Subsequence |
ユーザー |
![]() |
提出日時 | 2020-06-26 21:55:13 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 283 ms / 2,000 ms |
コード長 | 4,343 bytes |
コンパイル時間 | 14,290 ms |
コンパイル使用メモリ | 378,832 KB |
実行使用メモリ | 10,792 KB |
最終ジャッジ日時 | 2024-07-04 20:57:52 |
合計ジャッジ時間 | 16,687 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
ソースコード
#![allow(unused_imports)]#![allow(non_snake_case, unused)]use std::cmp::*;use std::collections::*;use std::ops::*;// https://atcoder.jp/contests/hokudai-hitachi2019-1/submissions/10518254macro_rules! eprint {($($t:tt)*) => {{use ::std::io::Write;let _ = write!(::std::io::stderr(), $($t)*);}};}macro_rules! eprintln {() => { eprintln!(""); };($($t:tt)*) => {{use ::std::io::Write;let _ = writeln!(::std::io::stderr(), $($t)*);}};}macro_rules! dbg {($v:expr) => {{let val = $v;eprintln!("[{}:{}] {} = {:?}", file!(), line!(), stringify!($v), val);val}}}macro_rules! mat {($($e:expr),*) => { Vec::from(vec![$($e),*]) };($($e:expr,)*) => { Vec::from(vec![$($e),*]) };($e:expr; $d:expr) => { Vec::from(vec![$e; $d]) };($e:expr; $d:expr $(; $ds:expr)+) => { Vec::from(vec![mat![$e $(; $ds)*]; $d]) };}macro_rules! ok {($a:ident$([$i:expr])*.$f:ident()$(@$t:ident)*) => {$a$([$i])*.$f($($t),*)};($a:ident$([$i:expr])*.$f:ident($e:expr$(,$es:expr)*)$(@$t:ident)*) => { {let t = $e;ok!($a$([$i])*.$f($($es),*)$(@$t)*@t)} };}pub fn readln() -> String {let mut line = String::new();::std::io::stdin().read_line(&mut line).unwrap_or_else(|e| panic!("{}", e));line}macro_rules! read {($($t:tt),*; $n:expr) => {{let stdin = ::std::io::stdin();let ret = ::std::io::BufRead::lines(stdin.lock()).take($n).map(|line| {let line = line.unwrap();let mut it = line.split_whitespace();_read!(it; $($t),*)}).collect::<Vec<_>>();ret}};($($t:tt),*) => {{let line = readln();let mut it = line.split_whitespace();_read!(it; $($t),*)}};}macro_rules! _read {($it:ident; [char]) => {_read!($it; String).chars().collect::<Vec<_>>()};($it:ident; [u8]) => {Vec::from(_read!($it; String).into_bytes())};($it:ident; usize1) => {$it.next().unwrap_or_else(|| panic!("input mismatch")).parse::<usize>().unwrap_or_else(|e| panic!("{}", e)) - 1};($it:ident; [usize1]) => {$it.map(|s| s.parse::<usize>().unwrap_or_else(|e| panic!("{}", e)) - 1).collect::<Vec<_>>()};($it:ident; [$t:ty]) => {$it.map(|s| s.parse::<$t>().unwrap_or_else(|e| panic!("{}", e))).collect::<Vec<_>>()};($it:ident; $t:ty) => {$it.next().unwrap_or_else(|| panic!("input mismatch")).parse::<$t>().unwrap_or_else(|e| panic!("{}", e))};($it:ident; $($t:tt),+) => {($(_read!($it; $t)),*)};}pub fn main() {let _ = ::std::thread::Builder::new().name("run".to_string()).stack_size(32 * 1024 * 1024).spawn(run).unwrap().join();}const MOD: usize = 998244353;const INF: i64 = std::i64::MAX/3;use std::ops::Bound::Included;fn solve() {let n = read!(usize);let a = read!([i64]);let mut left: BTreeSet<(i64,usize)> = BTreeSet::new();let mut right: BTreeSet<(i64,usize)> = BTreeSet::new();for i in 0..n {right.insert((a[i],i));}let mut ans = INF;for i in 0..n {right.remove(&(a[i],i));if i>0&&i<n-1 {let mut lmax = vec![];let mut rmax = vec![];for j in left.range(((Included(&(a[i],0)), Included(&(INF,n))))).take(3) {lmax.push(j);}for j in right.range(((Included(&(a[i],0)), Included(&(INF,n))))).take(3) {rmax.push(j);}for &x in &lmax {for &y in &rmax {ans = min(ans, x.0+a[i]+y.0);}}let mut lmax2 = vec![];let mut rmax2 = vec![];for j in left.iter().take(3) {lmax2.push(j);}for j in right.iter().take(3) {rmax2.push(j);}for &x in &lmax2 {for &y in &rmax2 {if x.0 < a[i] && y.0 < a[i] {ans = min(ans, x.0+a[i]+y.0);}}}}left.insert((a[i],i));}println!("{}",if ans==INF {-1} else {ans});}fn run() {solve();}