結果
問題 | No.2718 Best Consonance |
ユーザー | koba-e964 |
提出日時 | 2024-07-03 03:28:33 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 340 ms / 4,000 ms |
コード長 | 2,692 bytes |
コンパイル時間 | 15,038 ms |
コンパイル使用メモリ | 400,760 KB |
実行使用メモリ | 21,240 KB |
最終ジャッジ日時 | 2024-07-03 03:28:58 |
合計ジャッジ時間 | 24,499 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 13 ms
6,528 KB |
testcase_01 | AC | 14 ms
6,528 KB |
testcase_02 | AC | 12 ms
6,528 KB |
testcase_03 | AC | 14 ms
6,528 KB |
testcase_04 | AC | 13 ms
6,656 KB |
testcase_05 | AC | 14 ms
6,656 KB |
testcase_06 | AC | 13 ms
6,656 KB |
testcase_07 | AC | 13 ms
6,528 KB |
testcase_08 | AC | 14 ms
6,528 KB |
testcase_09 | AC | 14 ms
6,656 KB |
testcase_10 | AC | 14 ms
6,784 KB |
testcase_11 | AC | 14 ms
6,656 KB |
testcase_12 | AC | 14 ms
6,784 KB |
testcase_13 | AC | 14 ms
6,656 KB |
testcase_14 | AC | 242 ms
15,412 KB |
testcase_15 | AC | 203 ms
13,764 KB |
testcase_16 | AC | 216 ms
14,296 KB |
testcase_17 | AC | 172 ms
13,372 KB |
testcase_18 | AC | 219 ms
14,576 KB |
testcase_19 | AC | 191 ms
13,636 KB |
testcase_20 | AC | 222 ms
15,232 KB |
testcase_21 | AC | 210 ms
15,104 KB |
testcase_22 | AC | 213 ms
14,976 KB |
testcase_23 | AC | 152 ms
12,872 KB |
testcase_24 | AC | 340 ms
21,052 KB |
testcase_25 | AC | 328 ms
21,240 KB |
testcase_26 | AC | 328 ms
21,112 KB |
testcase_27 | AC | 319 ms
21,112 KB |
testcase_28 | AC | 335 ms
21,112 KB |
testcase_29 | AC | 324 ms
21,108 KB |
testcase_30 | AC | 318 ms
21,112 KB |
testcase_31 | AC | 318 ms
21,108 KB |
testcase_32 | AC | 324 ms
21,112 KB |
testcase_33 | AC | 320 ms
21,108 KB |
testcase_34 | AC | 13 ms
6,528 KB |
testcase_35 | AC | 13 ms
6,528 KB |
testcase_36 | AC | 48 ms
11,192 KB |
testcase_37 | AC | 13 ms
6,528 KB |
testcase_38 | AC | 49 ms
11,264 KB |
testcase_39 | AC | 12 ms
6,656 KB |
コンパイルメッセージ
warning: unused import: `BufWriter` --> src/main.rs:5:22 | 5 | use std::io::{Write, BufWriter}; | ^^^^^^^^^ | = note: `#[warn(unused_imports)]` on by default warning: unused import: `Write` --> src/main.rs:5:15 | 5 | use std::io::{Write, BufWriter}; | ^^^^^
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")); } trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); } impl<T: PartialOrd> Change for T { fn chmax(&mut self, x: T) { if *self < x { *self = x; } } fn chmin(&mut self, x: T) { if *self > x { *self = x; } } } fn main() { input! { n: usize, ab: [(usize, i64); n], } const W: usize = 200_100; let mut ans = 0; let mut occ = vec![vec![]; W]; for (a, b) in ab { occ[a].push(b); } for i in 1..W { occ[i].sort(); occ[i].reverse(); if occ[i].len() >= 2 { ans = ans.max(occ[i][1]); } } for g in 1..W { let mut val = vec![]; for j in 1..(W - 1) / g + 1 { if occ[j * g].len() >= 1 { val.push((j, occ[j * g][0])); } } val.sort_by(|x, y| (x.1 * x.0 as i64).cmp(&(y.0 as i64 * y.1))); if val.len() >= 2 { let mut ma = vec![0; val.len()]; ma[0] = val[0].1; for i in 1..val.len() { ma[i] = ma[i - 1].max(val[i].1); } for i in 1..val.len() { let (a, _) = val[i]; ans = ans.max(ma[i - 1] / a as i64); } } } println!("{}", ans); }