結果
問題 | No.2364 Knapsack Problem |
ユーザー | haihamabossu |
提出日時 | 2023-06-30 22:29:24 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 2 ms / 3,000 ms |
コード長 | 2,571 bytes |
コンパイル時間 | 12,311 ms |
コンパイル使用メモリ | 391,196 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-07 10:20:25 |
合計ジャッジ時間 | 13,235 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
6,812 KB |
testcase_01 | AC | 1 ms
6,812 KB |
testcase_02 | AC | 0 ms
6,944 KB |
testcase_03 | AC | 0 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 0 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 1 ms
6,940 KB |
testcase_21 | AC | 1 ms
6,940 KB |
ソースコード
pub mod scanner { pub struct Scanner { buf: Vec<String>, } impl Scanner { pub fn new() -> Self { Self { buf: vec![] } } pub fn new_from(source: &str) -> Self { let source = String::from(source); let buf = Self::split(source); Self { buf } } pub fn next<T: std::str::FromStr>(&mut self) -> T { loop { if let Some(x) = self.buf.pop() { return x.parse().ok().expect(""); } let mut source = String::new(); std::io::stdin().read_line(&mut source).expect(""); self.buf = Self::split(source); } } fn split(source: String) -> Vec<String> { source .split_whitespace() .rev() .map(String::from) .collect::<Vec<_>>() } } } use crate::scanner::Scanner; use std::io::Write; fn main() { let mut scanner = Scanner::new(); let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); let t: usize = 1; for _ in 0..t { solve(&mut scanner, &mut out); } } fn solve(scanner: &mut Scanner, out: &mut std::io::BufWriter<std::io::StdoutLock>) { let n: usize = scanner.next(); let m: usize = scanner.next(); let w: isize = scanner.next(); let a = (0..n).map(|_| scanner.next::<isize>()).collect::<Vec<_>>(); let b = (0..n).map(|_| scanner.next::<isize>()).collect::<Vec<_>>(); let c = (0..m).map(|_| scanner.next::<isize>()).collect::<Vec<_>>(); let d = (0..m).map(|_| scanner.next::<isize>()).collect::<Vec<_>>(); let s = 1 << (n + m); let mut dp: Vec<Option<(isize, isize)>> = vec![None; s]; dp[0] = Some((0, 0)); let mut ans = 0; for bits in 0..s { if let Some((cw, cv)) = dp[bits] { for i in 0..n + m { if ((bits >> i) & 1) == 1 { continue; } let mut nw = cw; let mut nv = cv; if i < n { nw += a[i]; nv += b[i]; } else { nw -= c[i - n]; nv -= d[i - n]; } if 0 <= nw && nw <= w { let next = bits | (1 << i); dp[next] = Some((nw, nv)); ans = ans.max(nv); } } } } writeln!(out, "{}", ans).unwrap(); }