結果
問題 | No.2686 商品券の使い道 |
ユーザー | akakimidori |
提出日時 | 2024-03-20 21:38:18 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 42 ms / 3,000 ms |
コード長 | 2,773 bytes |
コンパイル時間 | 12,846 ms |
コンパイル使用メモリ | 377,428 KB |
実行使用メモリ | 26,624 KB |
最終ジャッジ日時 | 2024-09-30 07:27:34 |
合計ジャッジ時間 | 15,435 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 | 11 ms
8,064 KB |
testcase_03 | AC | 10 ms
8,064 KB |
testcase_04 | AC | 10 ms
8,064 KB |
testcase_05 | AC | 11 ms
7,936 KB |
testcase_06 | AC | 11 ms
7,936 KB |
testcase_07 | AC | 11 ms
8,064 KB |
testcase_08 | AC | 10 ms
8,064 KB |
testcase_09 | AC | 10 ms
8,064 KB |
testcase_10 | AC | 11 ms
7,936 KB |
testcase_11 | AC | 10 ms
8,064 KB |
testcase_12 | AC | 9 ms
8,064 KB |
testcase_13 | AC | 9 ms
7,936 KB |
testcase_14 | AC | 10 ms
8,064 KB |
testcase_15 | AC | 10 ms
8,064 KB |
testcase_16 | AC | 9 ms
8,064 KB |
testcase_17 | AC | 10 ms
8,064 KB |
testcase_18 | AC | 10 ms
8,064 KB |
testcase_19 | AC | 10 ms
8,192 KB |
testcase_20 | AC | 10 ms
8,064 KB |
testcase_21 | AC | 9 ms
8,064 KB |
testcase_22 | AC | 10 ms
8,064 KB |
testcase_23 | AC | 10 ms
8,064 KB |
testcase_24 | AC | 9 ms
8,064 KB |
testcase_25 | AC | 10 ms
8,064 KB |
testcase_26 | AC | 10 ms
8,064 KB |
testcase_27 | AC | 10 ms
8,064 KB |
testcase_28 | AC | 9 ms
8,064 KB |
testcase_29 | AC | 42 ms
26,368 KB |
testcase_30 | AC | 39 ms
26,496 KB |
testcase_31 | AC | 40 ms
26,496 KB |
testcase_32 | AC | 38 ms
26,496 KB |
testcase_33 | AC | 38 ms
26,496 KB |
testcase_34 | AC | 42 ms
26,624 KB |
testcase_35 | AC | 41 ms
26,496 KB |
testcase_36 | AC | 36 ms
26,496 KB |
testcase_37 | AC | 37 ms
26,496 KB |
testcase_38 | AC | 38 ms
26,368 KB |
testcase_39 | AC | 37 ms
26,368 KB |
testcase_40 | AC | 38 ms
26,496 KB |
testcase_41 | AC | 36 ms
26,496 KB |
testcase_42 | AC | 37 ms
26,496 KB |
testcase_43 | AC | 36 ms
26,496 KB |
testcase_44 | AC | 37 ms
26,496 KB |
testcase_45 | AC | 36 ms
26,496 KB |
testcase_46 | AC | 37 ms
26,496 KB |
evil_random20_1.txt | AC | 41 ms
26,496 KB |
evil_random20_2.txt | AC | 40 ms
26,496 KB |
evil_random20_3.txt | AC | 41 ms
26,624 KB |
コンパイルメッセージ
warning: unused import: `std::io::Write` --> src/main.rs:1:5 | 1 | use std::io::Write; | ^^^^^^^^^^^^^^ | = note: `#[warn(unused_imports)]` on by default warning: type alias `Map` is never used --> src/main.rs:4:6 | 4 | type Map<K, V> = BTreeMap<K, V>; | ^^^ | = note: `#[warn(dead_code)]` on by default warning: type alias `Set` is never used --> src/main.rs:5:6 | 5 | type Set<T> = BTreeSet<T>; | ^^^ warning: type alias `Deque` is never used --> src/main.rs:6:6 | 6 | type Deque<T> = VecDeque<T>; | ^^^^^
ソースコード
use std::io::Write; use std::collections::*; type Map<K, V> = BTreeMap<K, V>; type Set<T> = BTreeSet<T>; type Deque<T> = VecDeque<T>; fn main() { input! { n: usize, m: i64, q: i64, p: [(i64, i64); n], } let mut dp = vec![(0, 0)]; for &p in p.iter() { for i in 0..dp.len() { let q = dp[i]; dp.push((p.0 + q.0, p.1 + q.1)); } } let mut ep = vec![0; 1 << n]; for (ep, dp) in ep.iter_mut().zip(dp.iter()) { if dp.0 <= q { *ep = dp.1; } } bitwise_transform(&mut ep, |a, b| *b = std::cmp::max(*a, *b)); let mut ans = 0; for (i, &(a, b)) in dp.iter().enumerate() { if a <= m { ans = ans.max(b + ep[i ^ ((1 << n) - 1)]); } } println!("{}", ans); } // ---------- begin input macro ---------- // reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 #[macro_export] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; ($($r:tt)*) => { let s = { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } #[macro_export] macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } #[macro_export] macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::<Vec<char>>() }; ($iter:expr, bytes) => { read_value!($iter, String).bytes().collect::<Vec<u8>>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } // ---------- end input macro ---------- // ---------- begin bitwise transform ---------- pub fn bitwise_transform<T, F>(a: &mut [T], mut f: F) where F: FnMut(&mut T, &mut T) { let n = a.len().trailing_zeros() as usize; assert!(a.len() == 1 << n); for i in 0..n { for a in a.chunks_exact_mut(2 << i) { let (x, y) = a.split_at_mut(1 << i); for (x, y) in x.iter_mut().zip(y) { f(x, y); } } } } // ---------- end bitwise transform ----------