結果
| 問題 |
No.3042 拡大コピー
|
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2025-02-28 22:59:24 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,401 bytes |
| コンパイル時間 | 10,805 ms |
| コンパイル使用メモリ | 400,748 KB |
| 実行使用メモリ | 31,196 KB |
| 最終ジャッジ日時 | 2025-03-01 07:40:48 |
| 合計ジャッジ時間 | 12,716 ms |
|
ジャッジサーバーID (参考情報) |
judge6 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 12 WA * 12 |
ソースコード
#[allow(unused_imports)]
use std::{
cell::RefCell, convert::{Infallible, TryFrom, TryInto as _},
fmt::{self, Debug, Display, Formatter,},
fs::{File},
hash::{Hash, Hasher},
iter::{Product, Sum},
marker::PhantomData,
ops::{Add, AddAssign, Sub, SubAssign, Div, DivAssign, Mul, MulAssign, Neg, },
str::FromStr,
sync::{atomic::{self, AtomicU32, AtomicU64}, Once},
collections::{*},
mem::{swap},
cmp::{self, Reverse, Ordering, Eq, PartialEq, PartialOrd},
thread::LocalKey,
f64::consts::PI,
time::Instant,
io::{self, stdin, Read, read_to_string, BufWriter, BufReader, stdout, Write},
};
#[allow(unused_imports)]
use proconio::{input, input_interactive, marker::{*}};
#[allow(unused_imports)]
//use rand::{thread_rng, Rng, seq::SliceRandom};
#[allow(unused_imports)]
//use ac_library::{*};
#[allow(dead_code)]
const INF: i64 = 1<<60;
#[allow(dead_code)]
const MOD: i64 = 998244353;
#[allow(dead_code)]
const D: [(usize, usize); 4] = [(1, 0), (0, 1), (!0, 0), (0, !0)];
pub fn closest_pair(ps: &mut Vec<(f64, f64)>)->f64{
ps.sort_by(|a, b| a.0.partial_cmp(&b.0).unwrap().then(a.1.partial_cmp(&b.1).unwrap()));
closest_find(ps)
}
fn closest_find(ps: &mut [(f64, f64)])->f64{
if ps.len()<=1{
return 1e60;
}
let m = ps.len()/2;
let center = ps[m].0;
let mut res = closest_find(&mut ps[..m]);
res = res.min(closest_find(&mut ps[m..]));
let (mut idx1, mut idx2) = (0, 0);
let mut nps = Vec::with_capacity(ps.len());
while idx1 < m || idx2+m < ps.len(){
if idx1<m && (idx2+m==ps.len()||ps[idx1].1 < ps[idx2+m].1){
nps.push(ps[idx1]);
idx1 += 1;
} else {
nps.push(ps[idx2+m]);
idx2 += 1;
}
}
ps.copy_from_slice(&nps);
let mut near: Vec<(f64, f64)> = Vec::new();
for &(x, y) in ps.iter(){
if (x-center).abs() > res{continue}
for &(px, py) in near.iter().rev(){
if res+py < y{break;}
let (dx, dy) = ((x-px).abs(), y-py);
res = res.min((dx*dx+dy*dy).sqrt());
}
near.push((x, y));
}
res
}
//use proconio::fastout;
//#[fastout]
fn main(){
input!{
n: usize,
mut p: [(f64, f64); n],
mut q: [(f64, f64); n],
}
let d1 = closest_find(&mut p);
let d2 = closest_find(&mut q);
println!("{}", d2/d1);
}