結果
問題 | No.1872 Dictionary Order |
ユーザー | koba-e964 |
提出日時 | 2022-03-12 02:14:43 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 36 ms / 2,000 ms |
コード長 | 3,205 bytes |
コンパイル時間 | 12,090 ms |
コンパイル使用メモリ | 379,632 KB |
実行使用メモリ | 33,536 KB |
最終ジャッジ日時 | 2024-09-19 08:44:44 |
合計ジャッジ時間 | 14,380 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 36 ms
33,536 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 19 ms
17,024 KB |
testcase_03 | AC | 4 ms
5,376 KB |
testcase_04 | AC | 27 ms
25,344 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 13 ms
12,288 KB |
testcase_07 | AC | 7 ms
7,296 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 5 ms
6,144 KB |
testcase_10 | AC | 11 ms
9,600 KB |
testcase_11 | AC | 20 ms
15,744 KB |
testcase_12 | AC | 6 ms
5,376 KB |
testcase_13 | AC | 5 ms
5,376 KB |
testcase_14 | AC | 19 ms
15,104 KB |
testcase_15 | AC | 23 ms
18,432 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 13 ms
9,728 KB |
testcase_18 | AC | 14 ms
11,776 KB |
testcase_19 | AC | 9 ms
8,192 KB |
testcase_20 | AC | 7 ms
5,888 KB |
testcase_21 | AC | 16 ms
13,056 KB |
testcase_22 | AC | 34 ms
26,496 KB |
testcase_23 | AC | 13 ms
11,392 KB |
testcase_24 | AC | 10 ms
8,064 KB |
testcase_25 | AC | 19 ms
15,872 KB |
testcase_26 | AC | 9 ms
7,936 KB |
testcase_27 | AC | 18 ms
15,360 KB |
testcase_28 | AC | 29 ms
23,552 KB |
testcase_29 | AC | 32 ms
25,856 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 36 ms
29,184 KB |
testcase_32 | AC | 1 ms
5,376 KB |
testcase_33 | AC | 1 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
ソースコード
#[allow(unused_imports)] use std::cmp::*; #[allow(unused_imports)] use std::collections::*; use std::io::{Write, BufWriter}; // https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 macro_rules! input { ($($r:tt)*) => { let stdin = std::io::stdin(); let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock())); let mut next = move || -> String{ bytes.by_ref().map(|r|r.unwrap() as char) .skip_while(|c|c.is_whitespace()) .take_while(|c|!c.is_whitespace()) .collect() }; input_inner!{next, $($r)*} }; } macro_rules! input_inner { ($next:expr) => {}; ($next:expr,) => {}; ($next:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($next, $t); input_inner!{$next $($r)*} }; } macro_rules! read_value { ($next:expr, ( $($t:tt),* )) => { ($(read_value!($next, $t)),*) }; ($next:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }; ($next:expr, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, usize1) => (read_value!($next, usize) - 1); ($next:expr, [ $t:tt ]) => {{ let len = read_value!($next, usize); read_value!($next, [$t; len]) }}; ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error")); } trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); } impl<T: PartialOrd> Change for T { fn chmax(&mut self, x: T) { if *self < x { *self = x; } } fn chmin(&mut self, x: T) { if *self > x { *self = x; } } } fn main() { // In order to avoid potential stack overflow, spawn a new thread. let stack_size = 104_857_600; // 100 MB let thd = std::thread::Builder::new().stack_size(stack_size); thd.spawn(|| solve()).unwrap().join().unwrap(); } fn solve() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););} #[allow(unused)] macro_rules! putvec { ($v:expr) => { for i in 0..$v.len() { puts!("{}{}", $v[i], if i + 1 == $v.len() {"\n"} else {" "}); } } } input! { n: usize, m: usize, a: [usize; n], p: [usize1; n], } let mut invp = vec![0; n]; for i in 0..n { invp[p[i]] = i; } const INF: usize = 1 << 30; let mut dp = vec![vec![INF; m + 1]; n + 1]; dp[n][m] = 0; for i in (0..n).rev() { for j in (0..m + 1).rev() { let mut me = dp[i][j]; if j + a[i] <= m { if dp[i + 1][j + a[i]] < INF { me.chmin(p[i]); } } me.chmin(dp[i + 1][j]); dp[i][j] = me; } } if dp[0][0] >= INF { puts!("-1\n"); return; } let mut ans = vec![]; let mut x = 0; let mut y = 0; while y < m { let idx = invp[dp[x][y]]; ans.push(idx + 1); x = idx + 1; y += a[idx]; } puts!("{}\n", ans.len()); putvec!(ans); }