結果
問題 | No.2730 Two Types Luggage |
ユーザー | naut |
提出日時 | 2024-04-19 21:37:59 |
言語 | Rust (1.77.0) |
結果 |
AC
|
実行時間 | 233 ms / 2,000 ms |
コード長 | 3,790 bytes |
コンパイル時間 | 1,283 ms |
コンパイル使用メモリ | 172,108 KB |
実行使用メモリ | 28,520 KB |
最終ジャッジ日時 | 2024-04-19 21:38:11 |
合計ジャッジ時間 | 7,321 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 0 ms
6,944 KB |
testcase_04 | AC | 5 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 0 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 5 ms
6,944 KB |
testcase_11 | AC | 104 ms
20,860 KB |
testcase_12 | AC | 233 ms
28,520 KB |
testcase_13 | AC | 83 ms
18,140 KB |
testcase_14 | AC | 103 ms
20,976 KB |
testcase_15 | AC | 93 ms
6,940 KB |
testcase_16 | AC | 39 ms
8,832 KB |
testcase_17 | AC | 133 ms
25,972 KB |
testcase_18 | AC | 120 ms
23,980 KB |
testcase_19 | AC | 10 ms
6,944 KB |
testcase_20 | AC | 49 ms
10,832 KB |
testcase_21 | AC | 100 ms
19,688 KB |
testcase_22 | AC | 135 ms
27,840 KB |
testcase_23 | AC | 17 ms
6,940 KB |
testcase_24 | AC | 57 ms
12,300 KB |
testcase_25 | AC | 121 ms
21,568 KB |
testcase_26 | AC | 27 ms
7,160 KB |
testcase_27 | AC | 99 ms
19,692 KB |
testcase_28 | AC | 53 ms
11,668 KB |
testcase_29 | AC | 124 ms
24,120 KB |
testcase_30 | AC | 96 ms
6,944 KB |
testcase_31 | AC | 82 ms
17,912 KB |
testcase_32 | AC | 72 ms
16,396 KB |
testcase_33 | AC | 211 ms
27,280 KB |
testcase_34 | AC | 214 ms
28,364 KB |
testcase_35 | AC | 231 ms
27,376 KB |
testcase_36 | AC | 214 ms
27,248 KB |
testcase_37 | AC | 213 ms
27,248 KB |
ソースコード
#![allow(non_snake_case, unused_imports, unused_must_use)] use std::io::{self, prelude::*}; use std::str; fn main() { let (stdin, stdout) = (io::stdin(), io::stdout()); let mut scan = Scanner::new(stdin.lock()); let mut out = io::BufWriter::new(stdout.lock()); macro_rules! input { ($T: ty) => { scan.token::<$T>() }; ($T: ty, $N: expr) => { (0..$N).map(|_| scan.token::<$T>()).collect::<Vec<_>>() }; } let N = input!(usize); let M = input!(usize); let W = input!(usize); let mut A = input!(usize, N); let B = input!(usize, M); let C = input!(usize, M); A.sort(); A.reverse(); let mut BIT = BinaryIndexedTree::new(N + 1); for i in 0..N { BIT.add(i, A[i]); } let mut ans = 0; for s in 0..1 << M { let mut weight = 0; let mut value = 0; for i in 0..M { if (s >> i) & 1 == 1 { weight += B[i]; value += C[i]; } } if weight <= W { let d = W - weight; if d >= 1 { value += BIT.sum(0..std::cmp::min(d, N)); } ans = std::cmp::max(ans, value); } } writeln!(out, "{}", ans); } pub struct BinaryIndexedTree<T> { tree: Vec<T>, } impl<T: Default + Clone + Copy + std::ops::AddAssign + std::ops::Sub<Output = T>> BinaryIndexedTree<T> { /// self = [0; size] pub fn new(size: usize) -> Self { return Self { tree: vec![T::default(); size + 1], }; } /// self[i] <- self[i] + w pub fn add(&mut self, i: usize, w: T) { self._inner_add(i + 1, w); } /// return Σ_{j ∈ [0, i]} self[j] pub fn prefix_sum(&self, i: usize) -> T { self._inner_sum(i + 1) } /// return Σ_{j ∈ range} self[j] pub fn sum<R: std::ops::RangeBounds<usize>>(&self, range: R) -> T { let left = match range.start_bound() { std::ops::Bound::Included(&l) => l, std::ops::Bound::Excluded(&l) => l + 1, std::ops::Bound::Unbounded => 0, }; let right = match range.end_bound() { std::ops::Bound::Included(&r) => r, std::ops::Bound::Excluded(&r) => r - 1, std::ops::Bound::Unbounded => self.tree.len() - 2, }; if left == 0 { return self.prefix_sum(right); } else { return self.prefix_sum(right) - self.prefix_sum(left - 1); } } fn _inner_add(&mut self, mut i: usize, w: T) { while i < self.tree.len() { self.tree[i] += w; i += i & i.wrapping_neg(); } } fn _inner_sum(&self, mut i: usize) -> T { let mut ret = T::default(); while i > 0 { ret += self.tree[i]; i -= i & i.wrapping_neg(); } return ret; } } struct Scanner<R> { reader: R, buf_str: Vec<u8>, buf_iter: str::SplitWhitespace<'static>, } impl<R: BufRead> Scanner<R> { fn new(reader: R) -> Self { Self { reader, buf_str: vec![], buf_iter: "".split_whitespace(), } } fn token<T: str::FromStr>(&mut self) -> T { loop { if let Some(token) = self.buf_iter.next() { return token.parse().ok().expect("Failed parse"); } self.buf_str.clear(); self.reader .read_until(b'\n', &mut self.buf_str) .expect("Failed read"); self.buf_iter = unsafe { let slice = str::from_utf8_unchecked(&self.buf_str); std::mem::transmute(slice.split_whitespace()) } } } }