結果
問題 | No.2463 ストレートフラッシュ |
ユーザー |
|
提出日時 | 2023-09-08 22:50:00 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 94 ms / 2,000 ms |
コード長 | 2,409 bytes |
コンパイル時間 | 16,513 ms |
コンパイル使用メモリ | 384,600 KB |
実行使用メモリ | 7,984 KB |
最終ジャッジ日時 | 2025-01-07 20:52:26 |
合計ジャッジ時間 | 18,579 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 22 |
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 ab = (0..n * m) .map(|_| (scanner.next::<usize>(), scanner.next::<usize>())) .collect::<Vec<_>>(); let mut index = vec![vec![0; n + 1]; m + 1]; for i in 0..n * m { let (a, b) = ab[i]; index[b][a] = i + 1; } let f = |b: usize, a: usize| -> usize { let mut is = Vec::with_capacity(5); for ai in a - 4..=a { let ai = if ai == n + 1 { 1 } else { ai }; is.push(index[b][ai]); } is.sort(); let mut res = 0; let mut p = 5; let mut c = 5; for i in is { if i <= p { c -= 1; continue; } let d = i - p; let now = (d + c - 1) / c; res += now; p += c * now; c -= 1; } res }; let mut ans: usize = 1e9 as usize; for b in 1..=m { for a in 5..=n + 1 { ans = ans.min(f(b, a)); } } writeln!(out, "{}", ans).unwrap(); }