結果

問題 No.1779 Magical Swap
コンテスト
ユーザー ikd
提出日時 2021-12-08 23:46:30
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 166 ms / 2,000 ms
コード長 4,144 bytes
コンパイル時間 19,373 ms
コンパイル使用メモリ 383,868 KB
実行使用メモリ 9,048 KB
最終ジャッジ日時 2024-07-16 10:58:22
合計ジャッジ時間 21,057 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 18
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ソースコード

diff #
raw source code 

//! # Bundled libraries
//!
//! - `input_i_scanner 0.1.0 (git+https://github.com/ia7ck/rust-competitive-programming#b60dc67706797611e680510aa6492f6397a2e104)` licensed under **missing** as `crate::__cargo_equip::crates::input_i_scanner`
//! - `union_find 0.1.0 (git+https://github.com/ia7ck/rust-competitive-programming#b60dc67706797611e680510aa6492f6397a2e104)`      licensed under **missing** as `crate::__cargo_equip::crates::union_find`

pub use __cargo_equip::prelude::*;

use input_i_scanner::InputIScanner;
use union_find::UnionFind;

fn main() {
    let stdin = std::io::stdin();
    let mut _i_i = InputIScanner::from(stdin.lock());

    macro_rules! scan {
        (($($t: ty),+)) => {
            ($(scan!($t)),+)
        };
        ($t: ty) => {
            _i_i.scan::<$t>() as $t
        };
        (($($t: ty),+); $n: expr) => {
            std::iter::repeat_with(|| scan!(($($t),+))).take($n).collect::<Vec<_>>()
        };
        ($t: ty; $n: expr) => {
            std::iter::repeat_with(|| scan!($t)).take($n).collect::<Vec<_>>()
        };
    }

    let t = scan!(usize);
    for _ in 0..t {
        let n = scan!(usize);
        let a = scan!(u32; n);
        let b = scan!(u32; n);
        solve(n, a, b);
    }
}

fn solve(n: usize, a: Vec<u32>, b: Vec<u32>) {
    let mut uf = UnionFind::new(n + 1);
    for i in 2..=n {
        for j in ((i + i)..=n).step_by(i) {
            uf.unite(i, j);
        }
    }
    let mut c = vec![vec![]; n + 1];
    for i in 1..=n {
        let p = uf.find(i);
        c[p].push(i);
    }
    for i in 1..=n {
        if c[i].is_empty() {
            continue;
        }
        let mut a: Vec<u32> = c[i].iter().copied().map(|j| a[j - 1]).collect();
        let mut b: Vec<u32> = c[i].iter().copied().map(|j| b[j - 1]).collect();
        a.sort();
        b.sort();
        if a != b {
            println!("No");
            return;
        }
    }
    println!("Yes");
}

// The following code was expanded by `cargo-equip`.

#[rustfmt::skip]
#[allow(unused)]
mod __cargo_equip {
    pub(crate) mod crates {
        pub mod input_i_scanner {use std::fmt;use std::io;use std::str;pub struct InputIScanner<R>{r:R,l:String,i:usize,}impl<R:io::BufRead>InputIScanner<R>{pub fn new(reader:R)->Self{Self{r:reader,l:String::new(),i:0,}}pub fn scan<T>(&mut self)->T where T:str::FromStr,<T as str::FromStr>::Err:fmt::Debug,{self.skip_blanks();assert!(self.i<self.l.len());assert_ne!(&self.l[self.i..=self.i]," ");let rest=&self.l[self.i..];let len=rest.find(' ').unwrap_or_else(| |rest.len());let val=rest[..len].parse().unwrap_or_else(|e|panic!("{:?}, attempt to read `{}`",e,rest));self.i+=len;val}fn skip_blanks(&mut self){loop{match self.l[self.i..].find(|ch|ch!=' '){Some(j)=>{self.i+=j;break;}None=>{let mut buf=String::new();let num_bytes=self.r.read_line(&mut buf).unwrap_or_else(|_|panic!("invalid UTF-8"));assert!(num_bytes>0,"reached EOF :(");self.l=buf.trim_end_matches('\n').trim_end_matches('\r').to_string();self.i=0;}}}}}impl<'a>From<&'a str>for InputIScanner<&'a[u8]>{fn from(s:&'a str)->Self{Self::new(s.as_bytes())}}impl<'a>From<io::StdinLock<'a> >for InputIScanner<io::BufReader<io::StdinLock<'a> > >{fn from(stdin:io::StdinLock<'a>)->Self{Self::new(io::BufReader::new(stdin))}}}
        pub mod union_find {pub struct UnionFind{par:Vec<usize>,size:Vec<usize>,}impl UnionFind{pub fn new(n:usize)->UnionFind{UnionFind{par:(0..n).collect(),size:vec![1;n],}}pub fn find(&mut self,i:usize)->usize{if self.par[i]!=i{self.par[i]=self.find(self.par[i]);}self.par[i]}pub fn unite(&mut self,i:usize,j:usize){let i=self.find(i);let j=self.find(j);if i==j{return;}let(i,j)=if self.size[i]>=self.size[j]{(i,j)}else{(j,i)};self.par[j]=i;self.size[i]+=self.size[j];}pub fn get_size(&mut self,i:usize)->usize{let p=self.find(i);self.size[p]}pub fn same(&mut self,i:usize,j:usize)->bool{self.find(i)==self.find(j)}}}
    }

    pub(crate) mod macros {
        pub mod input_i_scanner {}
        pub mod union_find {}
    }

    pub(crate) mod prelude {pub use crate::__cargo_equip::crates::*;}

    mod preludes {
        pub mod input_i_scanner {}
        pub mod union_find {}
    }
}
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