結果
問題 | No.1017 Reiwa Sequence |
ユーザー | koba-e964 |
提出日時 | 2020-04-03 22:03:00 |
言語 | Rust (1.77.0 + proconio) |
結果 |
TLE
|
実行時間 | - |
コード長 | 5,166 bytes |
コンパイル時間 | 13,891 ms |
コンパイル使用メモリ | 377,992 KB |
実行使用メモリ | 12,336 KB |
最終ジャッジ日時 | 2024-07-03 02:51:24 |
合計ジャッジ時間 | 29,900 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 | 3 ms
10,880 KB |
testcase_01 | AC | 3 ms
5,376 KB |
testcase_02 | AC | 3 ms
5,504 KB |
testcase_03 | AC | 4 ms
5,632 KB |
testcase_04 | AC | 4 ms
5,504 KB |
testcase_05 | AC | 4 ms
5,504 KB |
testcase_06 | AC | 4 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 4 ms
5,376 KB |
testcase_09 | AC | 17 ms
5,504 KB |
testcase_10 | AC | 42 ms
5,376 KB |
testcase_11 | AC | 7 ms
5,376 KB |
testcase_12 | AC | 158 ms
5,376 KB |
testcase_13 | AC | 127 ms
5,504 KB |
testcase_14 | AC | 17 ms
5,504 KB |
testcase_15 | AC | 43 ms
5,376 KB |
testcase_16 | AC | 16 ms
5,376 KB |
testcase_17 | AC | 394 ms
5,504 KB |
testcase_18 | AC | 16 ms
5,504 KB |
testcase_19 | TLE | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
testcase_42 | -- | - |
testcase_43 | -- | - |
testcase_44 | -- | - |
testcase_45 | -- | - |
testcase_46 | -- | - |
testcase_47 | -- | - |
testcase_48 | -- | - |
testcase_49 | -- | - |
testcase_50 | -- | - |
testcase_51 | -- | - |
testcase_52 | -- | - |
testcase_53 | -- | - |
コンパイルメッセージ
warning: constant `PRUNE` is never used --> src/main.rs:92:7 | 92 | const PRUNE: i64 = 300_000; | ^^^^^ | = note: `#[warn(dead_code)]` on by default warning: function `dfs` is never used --> src/main.rs:94:4 | 94 | fn dfs(a: &[usize], v: usize, sum: i64, s1: &mut Vec<usize>, s2: &mut Vec<usize>) | ^^^
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); (0..len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }}; ($next:expr, $t:ty) => { $next().parse::<$t>().expect("Parse error") }; } #[allow(unused)] macro_rules! debug { ($($format:tt)*) => (write!(std::io::stderr(), $($format)*).unwrap()); } #[allow(unused)] macro_rules! debugln { ($($format:tt)*) => (writeln!(std::io::stderr(), $($format)*).unwrap()); } /// Generates an Iterator over subsets of univ, in the descending order. /// Verified by: http://judge.u-aizu.ac.jp/onlinejudge/review.jsp?rid=3050308 struct SubsetIter { bits: Option<usize>, univ: usize } impl Iterator for SubsetIter { type Item = usize; fn next(&mut self) -> Option<usize> { match self.bits { None => None, Some(bits) => { let ans = bits; self.bits = if bits == 0 { None } else { Some((bits - 1) & self.univ) }; Some(ans) } } } } fn subsets(univ: usize) -> SubsetIter { SubsetIter { bits: Some(univ), univ: univ } } const W: usize = 150_001; const PRUNE: i64 = 300_000; fn dfs(a: &[usize], v: usize, sum: i64, s1: &mut Vec<usize>, s2: &mut Vec<usize>) -> Option<(Vec<usize>, Vec<usize>)> { let n = a.len(); if sum == 0 && !(s1.is_empty() && s2.is_empty()) { return Some((s1.clone(), s2.clone())); } if sum < -PRUNE || sum > PRUNE { return None; } if v >= n { return None; } if sum < 0 { return dfs(a, v, -sum, s2, s1); } let val = a[v] as i64; s2.push(v); let sub2 = dfs(a, v + 1, sum - val, s1, s2); if sub2.is_some() { return sub2; } s2.pop(); s1.push(v); let sub1 = dfs(a, v + 1, sum + val, s1, s2); if sub1.is_some() { return sub1; } s1.pop(); dfs(a, v + 1, sum, s1, s2) } fn solve() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts { ($($format:tt)*) => (let _ = write!(out,$($format)*);); } input! { n: usize, a: [usize; n], } let mut freq = vec![vec![]; W]; for i in 0..n { freq[a[i]].push(i); } let mut ans = vec![0; n]; macro_rules! emit { () => { puts!("Yes\n"); for i in 0..n { puts!("{}{}", ans[i], if i + 1 == n { "\n" } else { " " }); } return; } } for i in 1..W { if freq[i].len() >= 2 { ans[freq[i][0]] = i as i32; ans[freq[i][1]] = - (i as i32); emit!(); } } let mut b = a.clone(); b.sort(); let mut ans_set = None; let m = min(17, b.len()); 'outer: for bits in 1..1 << m { for sub in subsets(bits) { let mut sum = 0; for i in 0..m { if (sub & 1 << i) != 0 { sum += b[i] as i32; } else if (bits & 1 << i) != 0 { sum -= b[i] as i32; } } if sum == 0 { ans_set = Some((sub, bits - sub)); break 'outer; } } } if let Some((s1, s2)) = ans_set { for i in 0..m { let idx = freq[b[i]][0]; if (s1 & 1 << i) != 0 { ans[idx] = b[i] as i32; } else if (s2 & 1 << i) != 0 { ans[idx] = -(b[i] as i32); } } emit!(); } else { puts!("No\n"); } } 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(); }