結果
| 問題 |
No.3073 Fraction Median
|
| コンテスト | |
| ユーザー |
 Moss_Local
|
| 提出日時 | 2025-03-21 22:28:26 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,243 bytes |
| コンパイル時間 | 16,455 ms |
| コンパイル使用メモリ | 378,704 KB |
| 実行使用メモリ | 31,104 KB |
| 最終ジャッジ日時 | 2025-03-21 22:28:54 |
| 合計ジャッジ時間 | 17,719 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge5 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 16 WA * 2 |
コンパイルメッセージ
warning: variable does not need to be mutable
--> src/main.rs:107:9
|
107 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
|
= note: `#[warn(unused_mut)]` on by default
warning: variable does not need to be mutable
--> src/main.rs:113:9
|
113 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:118:9
|
118 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:124:9
|
124 | let mut vec: Vec<f64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:129:9
|
129 | let mut vec: Vec<char> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:134:9
|
134 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:139:9
|
139 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:145:9
|
145 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
ソースコード
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]
use std::cmp::*;
use std::fmt::*;
use std::hash::*;
use std::io::BufRead;
use std::iter::FromIterator;
use std::*;
use std::{cmp, collections, fmt, io, iter, ops, str};
const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
const LINF: i64 = 2147483647;
const INF128: i128 = 1223372036854775807000000000000;
const MOD1: i64 = 1000000007;
const MOD9: i64 = 998244353;
const MOD: i64 = MOD9;
const UMOD: usize = MOD as usize;
const M_PI: f64 = 3.14159265358979323846;
use cmp::Ordering::*;
use std::collections::*;
use std::io::stdin;
use std::io::stdout;
use std::io::Write;
macro_rules! p {
($x:expr) => {
println!("{}", $x);
};
}
macro_rules! vp {
($x:expr) => {
println!(
"{}",
$x.iter()
.map(|x| x.to_string())
.collect::<Vec<_>>()
.join(" ")
);
};
}
macro_rules! d {
($x:expr) => {
eprintln!("{:?}", $x);
};
}
macro_rules! yn {
($val:expr) => {
if $val {
println!("Yes");
} else {
println!("No");
}
};
}
macro_rules! map{
($($key:expr => $val:expr),*) => {
{
let mut map = ::std::collections::BTreeMap::new();
$(
map.insert($key, $val);
)*
map
}
};
}
macro_rules! set{
($($key:expr),*) => {
{
let mut set = ::std::collections::BTreeSet::new();
$(
set.insert($key);
)*
set
}
};
}
#[allow(dead_code)]
fn read<T: std::str::FromStr>() -> T {
let mut s = String::new();
std::io::stdin().read_line(&mut s).ok();
s.trim().parse().ok().unwrap()
}
#[allow(dead_code)]
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
read::<String>()
.split_whitespace()
.map(|e| e.parse().ok().unwrap())
.collect()
}
#[allow(dead_code)]
fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {
(0..n).map(|_| read_vec()).collect()
}
#[allow(dead_code)]
fn readii() -> (i64, i64) {
let mut vec: Vec<i64> = read_vec();
(vec[0], vec[1])
}
#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
let mut vec: Vec<i64> = read_vec();
(vec[0], vec[1], vec[2])
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
let mut vec: Vec<usize> = read_vec();
(vec[0], vec[1])
}
#[allow(dead_code)]
fn readff() -> (f64, f64) {
let mut vec: Vec<f64> = read_vec();
(vec[0], vec[1])
}
fn readcc() -> (char, char) {
let mut vec: Vec<char> = read_vec();
(vec[0], vec[1])
}
fn readuuu() -> (usize, usize, usize) {
let mut vec: Vec<usize> = read_vec();
(vec[0], vec[1], vec[2])
}
#[allow(dead_code)]
fn readiiii() -> (i64, i64, i64, i64) {
let mut vec: Vec<i64> = read_vec();
(vec[0], vec[1], vec[2], vec[3])
}
#[allow(dead_code)]
fn readuuuu() -> (usize, usize, usize, usize) {
let mut vec: Vec<usize> = read_vec();
(vec[0], vec[1], vec[2], vec[3])
}
fn gcd(mut a: u32, mut b: u32) -> u32 {
while b != 0 {
let t = a % b;
a = b;
b = t;
}
a
}
fn main() {
let n: usize = read();
let mut a: Vec<u32> = read_vec();
a.sort_unstable();
for w in a.windows(2) {
if w[0] == w[1] {
p!("1 1");
return;
}
}
let mut l = 1.0;
let mut r = a[n - 1] as f64 / a[0] as f64;
let mut bn = 0;
let mut bd = 1;
for _ in 0..200 {
let m = (l + r) / 2.0;
let mut c = 0;
let mut i = 0;
let mut cn = 0;
let mut cd = 1;
for j in 1..n {
while i < j && (a[j] as f64) > m * (a[i] as f64) {
i += 1;
}
c += j - i;
if i < j {
if cn * (a[i] as u64) < (a[j] as u64) * (cd as u64) {
cn = a[j] as u64;
cd = a[i] as u64;
}
}
}
if c >= 1 {
bn = cn as u32;
bd = cd as u32;
r = m;
} else {
l = m;
}
}
println!("{} {}", bd / gcd(bd, bn), bn / gcd(bd, bn));
}