結果
問題 | No.2497 GCD of LCMs |
ユーザー | koba-e964 |
提出日時 | 2023-12-21 02:13:06 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 466 ms / 2,000 ms |
コード長 | 3,502 bytes |
コンパイル時間 | 13,959 ms |
コンパイル使用メモリ | 398,228 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-27 10:40:14 |
合計ジャッジ時間 | 17,109 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,820 KB |
testcase_01 | AC | 1 ms
6,820 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 22 ms
6,940 KB |
testcase_08 | AC | 148 ms
6,940 KB |
testcase_09 | AC | 180 ms
6,944 KB |
testcase_10 | AC | 230 ms
6,940 KB |
testcase_11 | AC | 96 ms
6,940 KB |
testcase_12 | AC | 329 ms
6,940 KB |
testcase_13 | AC | 408 ms
6,940 KB |
testcase_14 | AC | 42 ms
6,940 KB |
testcase_15 | AC | 28 ms
6,944 KB |
testcase_16 | AC | 466 ms
6,944 KB |
ソースコード
#[allow(unused_imports)] use std::cmp::*; #[allow(unused_imports)] use std::collections::*; use std::io::{Write, BufWriter}; // https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 macro_rules! input { ($($r:tt)*) => { let stdin = std::io::stdin(); let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock())); let mut next = move || -> String{ bytes.by_ref().map(|r|r.unwrap() as char) .skip_while(|c|c.is_whitespace()) .take_while(|c|!c.is_whitespace()) .collect() }; input_inner!{next, $($r)*} }; } macro_rules! input_inner { ($next:expr) => {}; ($next:expr,) => {}; ($next:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($next, $t); input_inner!{$next $($r)*} }; } macro_rules! read_value { ($next:expr, ( $($t:tt),* )) => { ($(read_value!($next, $t)),*) }; ($next:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }; ($next:expr, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, usize1) => (read_value!($next, usize) - 1); ($next:expr, [ $t:tt ]) => {{ let len = read_value!($next, usize); read_value!($next, [$t; len]) }}; ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error")); } fn gcd(mut x: i64, mut y: i64) -> i64 { while y != 0 { let r = x % y; x = y; y = r; } x.abs() } const MOD: i64 = 998_244_353; fn main() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););} input! { n: usize, m: usize, a: [i64; n], uv: [(usize1, usize1); m], } let mut g = vec![vec![]; n]; for &(u, v) in &uv { g[u].push(v); g[v].push(u); } let mut factors = a.clone(); loop { let mut new = vec![]; let mut changed = false; for i in 0..factors.len() { for j in 0..i { let g = gcd(factors[i], factors[j]); if g != 1 { factors[i] /= g; factors[j] /= g; new.push(g); changed = true; } } } if !changed { break; } for &f in &factors { if f != 1 { new.push(f); } } new.sort(); new.dedup(); factors = new; } eprintln!("f = {:?}", factors); let mut ans = vec![1; n]; for &fac in &factors { let mut e = vec![0; n]; for i in 0..n { let mut v = a[i]; while v % fac == 0 { v /= fac; e[i] += 1; } } let mut que = BinaryHeap::new(); que.push((Reverse(e[0]), 0)); const INF: u32 = 1 << 28; let mut dist = vec![INF; n]; while let Some((Reverse(d), v)) = que.pop() { if dist[v] <= d { continue; } dist[v] = d; for &w in &g[v] { let nd = max(d, e[w]); que.push((Reverse(nd), w)); } } for i in 0..n { for _ in 0..dist[i] { ans[i] = ans[i] * fac % MOD; } } } for a in ans { puts!("{}\n", a); } }