結果
問題 | No.1330 Multiply or Divide |
ユーザー | koba-e964 |
提出日時 | 2021-01-10 18:58:14 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 3,944 bytes |
コンパイル時間 | 12,749 ms |
コンパイル使用メモリ | 402,672 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-21 07:19:21 |
合計ジャッジ時間 | 15,333 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 1 ms
6,816 KB |
testcase_01 | AC | 18 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,820 KB |
testcase_03 | AC | 1 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,816 KB |
testcase_05 | AC | 1 ms
6,816 KB |
testcase_06 | AC | 17 ms
6,824 KB |
testcase_07 | AC | 55 ms
6,816 KB |
testcase_08 | AC | 31 ms
6,816 KB |
testcase_09 | AC | 34 ms
6,816 KB |
testcase_10 | AC | 31 ms
6,820 KB |
testcase_11 | AC | 30 ms
6,820 KB |
testcase_12 | AC | 32 ms
6,820 KB |
testcase_13 | AC | 1 ms
6,816 KB |
testcase_14 | AC | 1 ms
6,820 KB |
testcase_15 | AC | 1 ms
6,820 KB |
testcase_16 | AC | 1 ms
6,820 KB |
testcase_17 | AC | 1 ms
6,816 KB |
testcase_18 | AC | 27 ms
6,816 KB |
testcase_19 | AC | 27 ms
6,820 KB |
testcase_20 | AC | 27 ms
6,820 KB |
testcase_21 | AC | 27 ms
6,816 KB |
testcase_22 | AC | 27 ms
6,820 KB |
testcase_23 | AC | 28 ms
6,816 KB |
testcase_24 | AC | 1 ms
6,816 KB |
testcase_25 | AC | 1 ms
6,816 KB |
testcase_26 | AC | 1 ms
6,820 KB |
testcase_27 | AC | 1 ms
6,820 KB |
testcase_28 | AC | 2 ms
6,816 KB |
testcase_29 | AC | 1 ms
6,816 KB |
testcase_30 | AC | 1 ms
6,820 KB |
testcase_31 | AC | 1 ms
6,816 KB |
testcase_32 | AC | 1 ms
6,820 KB |
testcase_33 | AC | 1 ms
6,820 KB |
testcase_34 | AC | 20 ms
6,820 KB |
testcase_35 | AC | 6 ms
6,816 KB |
testcase_36 | AC | 18 ms
6,820 KB |
testcase_37 | AC | 16 ms
6,816 KB |
testcase_38 | AC | 11 ms
6,820 KB |
testcase_39 | AC | 8 ms
6,820 KB |
testcase_40 | AC | 9 ms
6,816 KB |
testcase_41 | AC | 5 ms
6,816 KB |
testcase_42 | AC | 15 ms
6,820 KB |
testcase_43 | AC | 18 ms
6,820 KB |
testcase_44 | AC | 18 ms
6,816 KB |
testcase_45 | AC | 18 ms
6,820 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, [graph1; $len:expr]) => {{ let mut g = vec![vec![]; $len]; let ab = read_value!($next, [(usize1, usize1)]); for (a, b) in ab { g[a].push(b); g[b].push(a); } g }}; ($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::<$t>().expect("Parse error")); } trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); } impl<T: PartialOrd> Change for T { fn chmax(&mut self, x: T) { if *self < x { *self = x; } } fn chmin(&mut self, x: T) { if *self > x { *self = x; } } } #[allow(unused)] macro_rules! debug { ($($format:tt)*) => (write!(std::io::stderr(), $($format)*).unwrap()); } #[allow(unused)] macro_rules! debugln { ($($format:tt)*) => (writeln!(std::io::stderr(), $($format)*).unwrap()); } // The author read the editorial before implementing this solution. fn solve() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts { ($($format:tt)*) => (let _ = write!(out,$($format)*);); } #[allow(unused)] macro_rules! putvec { ($v:expr) => { for i in 0..$v.len() { puts!("{}{}", $v[i], if i + 1 == $v.len() {"\n"} else {" "}); } } } input! { n: usize, m: i64, p: i64, a: [i64; n], } let &ma = a.iter().max().unwrap(); let lim = m / ma; let mut b = a.clone(); let mut e = vec![0; n]; const W: usize = 30; let mut each = vec![0; W]; for i in 0..n { while b[i] % p == 0 { b[i] /= p; e[i] += 1; } each[e[i]].chmax(b[i]); } const INF: i64 = 1 << 50; const N: usize = 1000; let mut dp = vec![-INF; N]; dp[0] = 1; for i in 0..N { if dp[i] > lim { break; } if dp[i] <= -INF { continue; } for j in 0..W { if each[j] == 0 { continue; } let val = dp[i] * each[j]; if i + j + 1 < N { dp[i + j + 1].chmax(val); } } } let mut mi = INF; for i in 0..N { if dp[i] > lim { mi.chmin(i as i64); } } puts!("{}\n", if mi < INF { mi + 1 } else { -1 }); } fn main() { // In order to avoid potential stack overflow, spawn a new thread. let stack_size = 104_857_600; // 100 MB let thd = std::thread::Builder::new().stack_size(stack_size); thd.spawn(|| solve()).unwrap().join().unwrap(); }