結果
問題 | No.973 余興 |
ユーザー | koba-e964 |
提出日時 | 2020-02-28 00:16:31 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,048 bytes |
コンパイル時間 | 11,582 ms |
コンパイル使用メモリ | 393,136 KB |
実行使用メモリ | 26,880 KB |
最終ジャッジ日時 | 2024-10-13 16:08:27 |
合計ジャッジ時間 | 42,319 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 1,101 ms
26,752 KB |
testcase_01 | AC | 1,101 ms
26,624 KB |
testcase_02 | AC | 1,104 ms
26,624 KB |
testcase_03 | AC | 1,105 ms
26,624 KB |
testcase_04 | AC | 1,105 ms
26,624 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 1,044 ms
25,600 KB |
testcase_11 | AC | 312 ms
10,880 KB |
testcase_12 | AC | 282 ms
10,880 KB |
testcase_13 | WA | - |
testcase_14 | AC | 309 ms
10,880 KB |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 23 ms
5,248 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 39 ms
5,248 KB |
testcase_23 | AC | 31 ms
5,248 KB |
testcase_24 | AC | 32 ms
5,248 KB |
testcase_25 | AC | 13 ms
5,248 KB |
testcase_26 | AC | 23 ms
5,248 KB |
testcase_27 | AC | 48 ms
5,248 KB |
testcase_28 | WA | - |
testcase_29 | AC | 31 ms
5,248 KB |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 897 ms
26,624 KB |
testcase_35 | AC | 897 ms
26,880 KB |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | AC | 866 ms
26,752 KB |
testcase_39 | WA | - |
testcase_40 | AC | 1 ms
5,248 KB |
testcase_41 | AC | 1 ms
5,248 KB |
testcase_42 | AC | 1 ms
5,248 KB |
testcase_43 | WA | - |
testcase_44 | AC | 1 ms
5,248 KB |
testcase_45 | WA | - |
testcase_46 | AC | 382 ms
26,752 KB |
testcase_47 | WA | - |
testcase_48 | AC | 395 ms
26,624 KB |
testcase_49 | WA | - |
testcase_50 | AC | 387 ms
26,496 KB |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | AC | 984 ms
26,240 KB |
testcase_54 | AC | 1,090 ms
26,752 KB |
testcase_55 | AC | 927 ms
26,752 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); (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()); } trait Bisect<T> { fn lower_bound(&self, val: &T) -> usize; fn upper_bound(&self, val: &T) -> usize; } impl<T: Ord> Bisect<T> for [T] { fn lower_bound(&self, val: &T) -> usize { let mut pass = self.len() + 1; let mut fail = 0; while pass - fail > 1 { let mid = (pass + fail) / 2; if &self[mid - 1] >= val { pass = mid; } else { fail = mid; } } pass - 1 } fn upper_bound(&self, val: &T) -> usize { let mut pass = self.len() + 1; let mut fail = 0; while pass - fail > 1 { let mid = (pass + fail) / 2; if &self[mid - 1] > val { pass = mid; } else { fail = mid; } } pass - 1 } } 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, x: i64, a: [i64; n], } let mut acc = vec![0; n + 1]; for i in 0..n { acc[i + 1] = acc[i] + a[i]; } let mut dp = vec![vec![false; n + 1]; n]; let mut zero_l = vec![0; n]; let mut zero_r = vec![n + 1; n + 1]; for i in 0..n { zero_l[i] = i + 1; zero_r[i + 1] = i; } for s in 2..=n { for i in 0..n + 1 - s { let j = i + s; let mut win = false; let k = min(j - 1, acc.upper_bound(&(acc[i] + x))); if zero_l[i] >= k { win = true; } if !win { let k = max(i + 1, acc.lower_bound(&(acc[j] - x))); if zero_r[j] <= k { win = true; } } dp[i][j] = win; if !win { zero_l[i] = j; zero_r[j] = i; } } } puts!("{}\n", if dp[0][n] { "A" } else { "B" }); } 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(); }