結果
問題 | No.497 入れ子の箱 |
ユーザー | cympfh |
提出日時 | 2017-06-21 21:36:49 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 30 ms / 5,000 ms |
コード長 | 3,560 bytes |
コンパイル時間 | 14,811 ms |
コンパイル使用メモリ | 390,324 KB |
実行使用メモリ | 13,952 KB |
最終ジャッジ日時 | 2024-10-02 11:49:26 |
合計ジャッジ時間 | 16,625 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,820 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 23 ms
13,824 KB |
testcase_04 | AC | 23 ms
13,696 KB |
testcase_05 | AC | 23 ms
13,952 KB |
testcase_06 | AC | 23 ms
13,696 KB |
testcase_07 | AC | 30 ms
13,952 KB |
testcase_08 | AC | 29 ms
13,824 KB |
testcase_09 | AC | 29 ms
13,824 KB |
testcase_10 | AC | 30 ms
13,952 KB |
testcase_11 | AC | 29 ms
13,696 KB |
testcase_12 | AC | 29 ms
8,960 KB |
testcase_13 | AC | 29 ms
8,704 KB |
testcase_14 | AC | 29 ms
8,448 KB |
testcase_15 | AC | 29 ms
8,960 KB |
testcase_16 | AC | 29 ms
8,832 KB |
testcase_17 | AC | 29 ms
8,576 KB |
testcase_18 | AC | 19 ms
13,568 KB |
testcase_19 | AC | 19 ms
13,568 KB |
testcase_20 | AC | 20 ms
13,568 KB |
testcase_21 | AC | 19 ms
13,568 KB |
testcase_22 | AC | 18 ms
13,568 KB |
testcase_23 | AC | 4 ms
6,820 KB |
testcase_24 | AC | 5 ms
6,820 KB |
testcase_25 | AC | 1 ms
6,824 KB |
testcase_26 | AC | 1 ms
6,816 KB |
testcase_27 | AC | 26 ms
10,752 KB |
testcase_28 | AC | 26 ms
10,752 KB |
testcase_29 | AC | 25 ms
10,624 KB |
testcase_30 | AC | 10 ms
6,816 KB |
testcase_31 | AC | 10 ms
6,816 KB |
ソースコード
#![allow(unused_imports)] use std::io::{ self, Write }; use std::str::FromStr; use std::cmp::{ min, max }; use std::collections::{ BinaryHeap, VecDeque }; #[allow(unused_macros)] macro_rules! trace { ($var:expr) => ({ let _ = writeln!(&mut std::io::stderr(), ">>> {} = {:?}", stringify!($var), $var); }) } #[allow(unused_macros)] macro_rules! swap { ($a:expr, $b:expr) => ({ let t = $b; $b = $a; $a = t; }) } #[derive(Debug)] struct Topological(Vec<usize>); impl Topological { fn visit(u: usize, mut used: &mut Vec<bool>, rd: &Vec<Vec<usize>>, mut ord: &mut Vec<usize>) { if used[u] { return } used[u] = true; for &v in rd[u].iter() { Self::visit(v, &mut used, &rd, &mut ord); } ord.push(u); } fn new(neigh: &Vec<Vec<usize>>) -> Self { let n = neigh.len(); let mut rd = vec![vec![]; n]; for u in 0..n { for &v in neigh[u].iter() { rd[v].push(u); } } // sort let mut used = vec![false; n]; let mut ord = vec![]; for u in 0..n { Self::visit(u, &mut used, &rd, &mut ord); } Topological(ord) } } struct Hako(i32, i32, i32); fn can_include(a: &Hako, b: &Hako) -> bool { let Hako(x1, y1, z1) = *a; let Hako(x2, y2, z2) = *b; if x1 > x2 && y1 > y2 && z1 > z2 { return true } if x1 > x2 && y1 > z2 && z1 > y2 { return true } if x1 > y2 && y1 > x2 && z1 > z2 { return true } if x1 > y2 && y1 > z2 && z1 > x2 { return true } if x1 > z2 && y1 > x2 && z1 > y2 { return true } if x1 > z2 && y1 > y2 && z1 > x2 { return true } false } fn main() { let mut sc = Scanner::new(); let n: usize = sc.cin(); let mut hakos = vec![]; for _ in 0..n { let x: i32 = sc.cin(); let y: i32 = sc.cin(); let z: i32 = sc.cin(); hakos.push(Hako(x, y, z)); } let mut neigh = vec![vec![]; n]; let mut dmat = vec![vec![false; n]; n]; for i in 0..n { for j in 0..n { if can_include(&hakos[i], &hakos[j]) { neigh[i].push(j); dmat[i][j] = true; } } } let Topological(ord) = Topological::new(&neigh); let mut memo = vec![1; n]; for i in 0..n { for j in (i + 1)..n { if dmat[ord[i]][ord[j]] { memo[j] = max(memo[j], memo[i] + 1); } } } let mut maxlen = 0; for i in 0..n { maxlen = max(maxlen, memo[i]); } println!("{}", maxlen); } #[allow(dead_code)] struct Scanner { stdin: io::Stdin, buffer: VecDeque<String>, } #[allow(dead_code)] impl Scanner { fn new() -> Scanner { Scanner { stdin: io::stdin(), buffer: VecDeque::new() } } fn reserve(&mut self) { while self.buffer.len() == 0 { let mut line = String::new(); let _ = self.stdin.read_line(&mut line); for w in line.split_whitespace() { self.buffer.push_back(String::from(w)); } } } fn cin<T: FromStr>(&mut self) -> T { self.reserve(); match self.buffer.pop_front().unwrap().parse::<T>() { Ok(a) => a, Err(_) => panic!("parse err") } } fn get_char(&mut self) -> char { self.reserve(); let head = self.buffer[0].chars().nth(0).unwrap(); let tail = String::from( &self.buffer[0][1..] ); if tail.len()>0 { self.buffer[0]=tail } else { self.buffer.pop_front(); } head } }