結果
問題 | No.1036 Make One With GCD 2 |
ユーザー | koba-e964 |
提出日時 | 2020-04-29 18:22:10 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 677 ms / 2,000 ms |
コード長 | 4,212 bytes |
コンパイル時間 | 15,074 ms |
コンパイル使用メモリ | 378,848 KB |
実行使用メモリ | 84,224 KB |
最終ジャッジ日時 | 2024-09-16 14:17:07 |
合計ジャッジ時間 | 28,688 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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 | 271 ms
84,224 KB |
testcase_01 | AC | 197 ms
84,016 KB |
testcase_02 | AC | 299 ms
83,996 KB |
testcase_03 | AC | 48 ms
30,720 KB |
testcase_04 | AC | 90 ms
55,296 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 78 ms
35,456 KB |
testcase_08 | AC | 65 ms
29,184 KB |
testcase_09 | AC | 276 ms
82,176 KB |
testcase_10 | AC | 245 ms
76,544 KB |
testcase_11 | AC | 266 ms
83,712 KB |
testcase_12 | AC | 239 ms
77,184 KB |
testcase_13 | AC | 439 ms
80,128 KB |
testcase_14 | AC | 449 ms
81,152 KB |
testcase_15 | AC | 432 ms
76,160 KB |
testcase_16 | AC | 435 ms
76,672 KB |
testcase_17 | AC | 439 ms
78,976 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 3 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 416 ms
75,236 KB |
testcase_23 | AC | 308 ms
55,808 KB |
testcase_24 | AC | 436 ms
78,196 KB |
testcase_25 | AC | 394 ms
71,552 KB |
testcase_26 | AC | 411 ms
73,984 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 1 ms
5,376 KB |
testcase_29 | AC | 1 ms
5,376 KB |
testcase_30 | AC | 1 ms
5,376 KB |
testcase_31 | AC | 1 ms
5,376 KB |
testcase_32 | AC | 1 ms
5,376 KB |
testcase_33 | AC | 1 ms
5,376 KB |
testcase_34 | AC | 1 ms
5,376 KB |
testcase_35 | AC | 1 ms
5,376 KB |
testcase_36 | AC | 1 ms
5,376 KB |
testcase_37 | AC | 1 ms
5,376 KB |
testcase_38 | AC | 275 ms
84,096 KB |
testcase_39 | AC | 264 ms
84,072 KB |
testcase_40 | AC | 309 ms
55,680 KB |
testcase_41 | AC | 677 ms
84,036 KB |
testcase_42 | AC | 675 ms
84,168 KB |
testcase_43 | AC | 596 ms
84,140 KB |
testcase_44 | AC | 649 ms
83,992 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); (0..len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }}; ($next:expr, $t:ty) => { $next().parse::<$t>().expect("Parse error") }; } #[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()); } /** * Sparse Table. * BiOp should be the type of a binary operator which is * associative, commutative and idempotent. * (For example, both min and gcd satisfy these properties.) * Verified by: AtCoder CODE FESTIVAL 2016 Tournament Round 3 (Parallel) B * (http://cf16-tournament-round3-open.contest.atcoder.jp/submissions/1026294) */ struct SparseTable<T, BiOp> { biop: BiOp, st: Vec<Vec<T>>, } impl<T, BiOp> SparseTable<T, BiOp> where BiOp: Fn(T, T) -> T, T: Copy { pub fn new(ary: &[T], biop: BiOp) -> Self { let n = ary.len(); let mut h = 1; while 1 << h < n { h += 1; } let mut st: Vec<Vec<T>> = vec![Vec::from(ary); h + 1]; for i in 0 .. n { st[0][i] = ary[i]; } for b in 1 .. (h + 1) { if n + 1 < 1 << b { break; } for i in 0 .. (n + 1 - (1 << b)) { let next_idx = (1 << (b - 1)) + i; st[b][i] = biop(st[b - 1][i], st[b - 1][next_idx]); } } SparseTable {biop: biop, st: st} } fn top_bit(t: usize) -> usize { 8 * std::mem::size_of::<usize>() - 1 - t.leading_zeros() as usize } pub fn query(&self, f: usize, s: usize) -> T { assert!(f <= s); let b = Self::top_bit(s + 1 - f); let endpoint = s + 1 - (1 << b); (self.biop)(self.st[b][f], self.st[b][endpoint]) } } fn gcd(mut x: i64, mut y: i64) -> i64 { while y != 0 { let r = x % y; x = y; y = r; } x } fn solve() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts { ($($format:tt)*) => (let _ = write!(out,$($format)*);); } input! { n: usize, a: [i64; n], } let spt = SparseTable::new(&a, gcd); let mut tot: i64 = 0; let mut pos = 0; for i in 0..n { pos = max(pos, i); while pos < n { if spt.query(i, pos) != 1 { pos += 1; } else { break; } } tot += (n - pos) as i64; } puts!("{}\n", tot); } 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(); }