結果
問題 | No.2375 watasou and hibit's baseball |
ユーザー | haihamabossu |
提出日時 | 2023-07-07 23:27:14 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 80 ms / 2,000 ms |
コード長 | 3,400 bytes |
コンパイル時間 | 14,832 ms |
コンパイル使用メモリ | 394,056 KB |
実行使用メモリ | 15,232 KB |
最終ジャッジ日時 | 2024-07-21 19:50:40 |
合計ジャッジ時間 | 15,048 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
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
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 17 ms
7,936 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 80 ms
15,232 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 6 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 30 ms
15,104 KB |
testcase_13 | AC | 13 ms
7,936 KB |
testcase_14 | AC | 1 ms
6,944 KB |
testcase_15 | AC | 7 ms
6,940 KB |
testcase_16 | AC | 3 ms
6,940 KB |
testcase_17 | AC | 26 ms
15,104 KB |
testcase_18 | AC | 1 ms
6,940 KB |
testcase_19 | AC | 0 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 27 ms
15,104 KB |
testcase_22 | AC | 1 ms
6,940 KB |
testcase_23 | AC | 26 ms
15,104 KB |
testcase_24 | AC | 28 ms
15,104 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | AC | 36 ms
15,104 KB |
testcase_27 | AC | 40 ms
15,104 KB |
testcase_28 | AC | 41 ms
15,104 KB |
testcase_29 | AC | 43 ms
14,976 KB |
testcase_30 | AC | 54 ms
15,232 KB |
testcase_31 | AC | 47 ms
15,232 KB |
testcase_32 | AC | 54 ms
15,104 KB |
testcase_33 | AC | 43 ms
15,104 KB |
testcase_34 | AC | 37 ms
15,232 KB |
testcase_35 | AC | 51 ms
14,976 KB |
testcase_36 | AC | 46 ms
15,232 KB |
testcase_37 | AC | 40 ms
15,232 KB |
testcase_38 | AC | 29 ms
15,104 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; macro_rules! mdvec { ($elem:expr; $n:expr) => ( vec![$elem; $n] ); ($elem:expr; $n:expr $(; $ns:expr)+) => ( vec![mdvec![$elem $(; $ns)*]; $n] ); } 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 a: isize = scanner.next(); let b: isize = scanner.next(); let xyk = (0..n) .map(|_| { ( scanner.next::<isize>(), scanner.next::<isize>(), scanner.next::<isize>(), ) }) .collect::<Vec<_>>(); let dist = |i: usize, j: usize| -> isize { let (xi, yi, _) = xyk[i]; let (xj, yj, _) = xyk[j]; (xi - xj).abs() + (yi - yj).abs() }; let ok = |i1: usize, i2: usize, i3: usize| -> bool { let (_, _, k2) = xyk[i2]; let (_, _, k3) = xyk[i3]; let mut res = false; res |= b <= (k2 - k3).abs(); res |= a <= dist(i3, i2) + dist(i3, i1); res }; let mut dp = mdvec!(false; 1 << n; n; n); let mut ans = 1; for i in 0..n { for j in 0..n { if i == j { continue; } if a <= dist(i, j) || b <= (xyk[i].2 - xyk[j].2).abs() { dp[(1 << i) | (1 << j)][i][j] = true; ans = 2; } } } for bits in 0..(1 << n) { for i in 0..n { if ((bits >> i) & 1) == 0 { continue; } for j in 0..n { if i == j || ((bits >> j) & 1) == 0 { continue; } if !dp[bits][i][j] { continue; } for k in 0..n { if ((bits >> k) & 1) == 1 { continue; } if ok(i, j, k) { let next = bits | (1 << k); dp[next][j][k] = true; ans = ans.max(next.count_ones()); } } } } } writeln!(out, "{}", ans).unwrap(); }