結果
問題 | No.974 最後の日までに |
ユーザー | koba-e964 |
提出日時 | 2020-02-28 01:15:37 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 625 ms / 2,000 ms |
コード長 | 4,571 bytes |
コンパイル時間 | 11,906 ms |
コンパイル使用メモリ | 387,088 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-13 16:12:19 |
合計ジャッジ時間 | 33,940 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 531 ms
6,820 KB |
testcase_01 | AC | 585 ms
6,820 KB |
testcase_02 | AC | 594 ms
6,820 KB |
testcase_03 | AC | 564 ms
6,820 KB |
testcase_04 | AC | 560 ms
6,816 KB |
testcase_05 | AC | 581 ms
6,816 KB |
testcase_06 | AC | 588 ms
6,820 KB |
testcase_07 | AC | 564 ms
6,820 KB |
testcase_08 | AC | 567 ms
6,816 KB |
testcase_09 | AC | 574 ms
6,820 KB |
testcase_10 | AC | 567 ms
6,816 KB |
testcase_11 | AC | 564 ms
6,816 KB |
testcase_12 | AC | 566 ms
6,820 KB |
testcase_13 | AC | 571 ms
6,820 KB |
testcase_14 | AC | 561 ms
6,816 KB |
testcase_15 | AC | 560 ms
6,816 KB |
testcase_16 | AC | 553 ms
6,820 KB |
testcase_17 | AC | 543 ms
6,816 KB |
testcase_18 | AC | 537 ms
6,816 KB |
testcase_19 | AC | 552 ms
6,816 KB |
testcase_20 | AC | 552 ms
6,816 KB |
testcase_21 | AC | 541 ms
6,816 KB |
testcase_22 | AC | 547 ms
6,820 KB |
testcase_23 | AC | 555 ms
6,816 KB |
testcase_24 | AC | 542 ms
6,820 KB |
testcase_25 | AC | 1 ms
6,816 KB |
testcase_26 | AC | 1 ms
6,816 KB |
testcase_27 | AC | 471 ms
6,816 KB |
testcase_28 | AC | 586 ms
6,816 KB |
testcase_29 | AC | 1 ms
6,820 KB |
testcase_30 | AC | 581 ms
6,816 KB |
testcase_31 | AC | 1 ms
6,816 KB |
testcase_32 | AC | 1 ms
6,820 KB |
testcase_33 | AC | 309 ms
6,820 KB |
testcase_34 | AC | 625 ms
6,816 KB |
testcase_35 | AC | 1 ms
6,820 KB |
testcase_36 | AC | 1 ms
6,820 KB |
testcase_37 | AC | 578 ms
6,820 KB |
testcase_38 | AC | 1 ms
6,816 KB |
testcase_39 | AC | 1 ms
6,816 KB |
testcase_40 | AC | 452 ms
6,816 KB |
testcase_41 | AC | 562 ms
6,820 KB |
testcase_42 | AC | 573 ms
6,816 KB |
testcase_43 | AC | 580 ms
6,820 KB |
testcase_44 | AC | 474 ms
6,820 KB |
testcase_45 | AC | 305 ms
6,820 KB |
testcase_46 | AC | 1 ms
6,816 KB |
testcase_47 | AC | 1 ms
6,820 KB |
testcase_48 | AC | 1 ms
6,820 KB |
testcase_49 | AC | 1 ms
6,816 KB |
testcase_50 | AC | 1 ms
6,820 KB |
testcase_51 | AC | 1 ms
6,816 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 calc(abc: &[(i64, i64, i64)], w2: usize) -> i64 { let w = abc.len(); let mut former = vec![]; for bits in 0..1 << w2 { let lower = bits / 3; if (lower | lower << 1) != bits { continue; } let mut sum = 0; let mut like = 0; for i in 0..w2 { if (lower << 1 & 1 << i) != 0 { sum -= abc[i - 1].0 + abc[i].2; like += abc[i].1; } else { sum += abc[i].0; } } former.push((sum, like)); } former.sort(); for i in (0..former.len() - 1).rev() { former[i].1 = max(former[i].1, former[i + 1].1); } let mut ma = 0; for bits in 0..1 << (w - w2) { let lower = bits / 3; if (lower | lower << 1) != bits { continue; } let mut sum = 0; let mut like = 0; for i in 0..w - w2 { if (lower << 1 & 1 << i) != 0 { sum -= abc[w2 + i - 1].0 + abc[w2 + i].2; like += abc[w2 + i].1; } else { sum += abc[w2 + i].0; } } let idx = former.lower_bound(&(-sum, -1 << 50)); if idx < former.len() { ma = max(ma, former[idx].1 + like); } } ma } fn solve() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts { ($($format:tt)*) => (let _ = write!(out,$($format)*);); } input! { w: usize, abc: [(i64, i64, i64); w], } let w2 = w / 2; let mut ma = calc(&abc, w2); if w >= 2 { ma = max(ma, calc(&abc, w2 - 1)); } puts!("{}\n", ma); } 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(); }