結果
| 問題 |
No.2152 [Cherry Anniversary 2] 19 Petals of Cherry
|
| コンテスト | |
| ユーザー |
akakimidori
|
| 提出日時 | 2022-12-09 00:06:57 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 83 ms / 1,000 ms |
| コード長 | 2,028 bytes |
| コンパイル時間 | 13,272 ms |
| コンパイル使用メモリ | 376,732 KB |
| 実行使用メモリ | 10,140 KB |
| 最終ジャッジ日時 | 2024-10-14 18:13:44 |
| 合計ジャッジ時間 | 17,650 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 49 |
コンパイルメッセージ
warning: unused variable: `out`
--> src/main.rs:47:45
|
47 | fn run<W: Write>(sc: &mut scanner::Scanner, out: &mut std::io::BufWriter<W>) {
| ^^^ help: if this is intentional, prefix it with an underscore: `_out`
|
= note: `#[warn(unused_variables)]` on by default
warning: type alias `Map` is never used
--> src/main.rs:33:6
|
33 | type Map<K, V> = BTreeMap<K, V>;
| ^^^
|
= note: `#[warn(dead_code)]` on by default
warning: type alias `Set` is never used
--> src/main.rs:34:6
|
34 | type Set<T> = BTreeSet<T>;
| ^^^
warning: type alias `Deque` is never used
--> src/main.rs:35:6
|
35 | type Deque<T> = VecDeque<T>;
| ^^^^^
ソースコード
// ---------- begin scannner ----------
#[allow(dead_code)]
mod scanner {
use std::str::FromStr;
pub struct Scanner<'a> {
it: std::str::SplitWhitespace<'a>,
}
impl<'a> Scanner<'a> {
pub fn new(s: &'a String) -> Scanner<'a> {
Scanner {
it: s.split_whitespace(),
}
}
pub fn next<T: FromStr>(&mut self) -> T {
self.it.next().unwrap().parse::<T>().ok().unwrap()
}
pub fn next_bytes(&mut self) -> Vec<u8> {
self.it.next().unwrap().bytes().collect()
}
pub fn next_chars(&mut self) -> Vec<char> {
self.it.next().unwrap().chars().collect()
}
pub fn next_vec<T: FromStr>(&mut self, len: usize) -> Vec<T> {
(0..len).map(|_| self.next()).collect()
}
}
}
// ---------- end scannner ----------
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() {
use std::io::Read;
let mut s = String::new();
std::io::stdin().read_to_string(&mut s).unwrap();
let mut sc = scanner::Scanner::new(&s);
let out = std::io::stdout();
let mut out = std::io::BufWriter::new(out.lock());
run(&mut sc, &mut out);
}
fn run<W: Write>(sc: &mut scanner::Scanner, out: &mut std::io::BufWriter<W>) {
let m = 19;
let mut dp = vec![[0u64; 2]; 1 << m];
dp[0][0] = 1;
for i in 0..m {
let l: usize = sc.next();
let a = (0..l).map(|_| sc.next::<usize>() - 1).collect::<Vec<_>>();
for j in (0usize..(1 << m)).filter(|bit| bit.count_ones() == (i as u32)) {
let v = dp[j];
for &a in a.iter().filter(|&&a| j >> a & 1 == 0) {
let c = (j >> a).count_ones() as usize & 1;
let x = j | (1 << a);
dp[x][c] += v[0];
dp[x][c ^ 1] += v[1];
}
}
}
let ans = dp[(1 << m) - 1];
println!("{} {}", ans[0], ans[1]);
}
akakimidori