結果
問題 | No.985 Hadamard |
ユーザー | koba-e964 |
提出日時 | 2021-12-11 14:40:16 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,686 bytes |
コンパイル時間 | 16,477 ms |
コンパイル使用メモリ | 379,076 KB |
実行使用メモリ | 8,264 KB |
最終ジャッジ日時 | 2024-07-19 19:41:34 |
合計ジャッジ時間 | 16,363 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 | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 70 ms
8,192 KB |
testcase_05 | AC | 35 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 35 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 63 ms
8,088 KB |
testcase_24 | AC | 62 ms
8,064 KB |
testcase_25 | AC | 64 ms
8,064 KB |
コンパイルメッセージ
warning: unused import: `BufWriter` --> src/main.rs:5:22 | 5 | use std::io::{Write, BufWriter}; | ^^^^^^^^^ | = note: `#[warn(unused_imports)]` on by default warning: unused import: `Write` --> src/main.rs:5:15 | 5 | use std::io::{Write, BufWriter}; | ^^^^^
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; } } } const MOD: i64 = 998_244_353; 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() { input! { n: usize, c: [i64; 1 << n], lr: [(i64, i64); 1 << n], } let mut c = c; for i in 0..n { for bits in 0..1 << n { if (bits & 1 << i) != 0 { continue; } let x = c[bits]; let y = c[bits | 1 << i]; c[bits] = x + y; c[bits | 1 << i] = x - y; } } let mut tot = 0; for i in 0..1 << n { let (l, r) = lr[i]; if c[i] > 0 { tot += (r + MOD) * (c[i] + MOD) % MOD; } else { tot += (l + MOD) * (MOD + c[i]) % MOD; } } tot %= MOD; let inv2 = (MOD + 1) / 2; for _ in 0..n { tot = tot * inv2 % MOD; } println!("{}", tot); }