結果
問題 | No.1170 Never Want to Walk |
ユーザー | fukafukatani |
提出日時 | 2020-10-07 21:08:58 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,984 bytes |
コンパイル時間 | 13,914 ms |
コンパイル使用メモリ | 388,260 KB |
実行使用メモリ | 11,852 KB |
最終ジャッジ日時 | 2024-07-20 04:05:29 |
合計ジャッジ時間 | 27,371 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | WA | - |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 3 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | AC | 332 ms
10,228 KB |
testcase_33 | TLE | - |
testcase_34 | AC | 336 ms
10,444 KB |
testcase_35 | AC | 1,147 ms
10,164 KB |
testcase_36 | AC | 1,645 ms
10,196 KB |
testcase_37 | AC | 1,515 ms
10,212 KB |
testcase_38 | AC | 1,834 ms
10,368 KB |
ソースコード
use std::collections::*; use std::ops::Bound::*; fn main() { let v = read_vec::<i64>(); let (n, a, b) = (v[0] as usize, v[1], v[2]); let x = read_vec::<i64>() .into_iter() .enumerate() .map(|x| (x.1, x.0)) .collect::<BTreeSet<_>>(); let mut edges = vec![std::usize::MAX; n]; for &xnum in &x { let mut left = x.range((Included((xnum.0 + a, 0)), Included((xnum.0 + b, n)))); if let Some(left) = left.next() { let left = left.1; let right = x .range((Included((xnum.0 + a, 0)), Included((xnum.0 + b, n)))) .rev() .next() .unwrap() .1; edges[xnum.1] = right; if edges[left] == std::usize::MAX { for i in left..right { edges[i] = right; } } else { for i in edges[left]..right { edges[i] = right; } } } } let mut uft = UnionFindTree::new(n); for (i, to) in edges.into_iter().enumerate() { if to == std::usize::MAX { continue; } uft.unite(i, to); } for i in 0..n { println!("{}", uft.get_size(i)); } } fn read<T: std::str::FromStr>() -> T { let mut s = String::new(); std::io::stdin().read_line(&mut s).ok(); s.trim().parse().ok().unwrap() } fn read_vec<T: std::str::FromStr>() -> Vec<T> { read::<String>() .split_whitespace() .map(|e| e.parse().ok().unwrap()) .collect() } #[derive(Debug, Clone)] struct UnionFindTree { parent: Vec<isize>, size: Vec<usize>, height: Vec<u64>, } impl UnionFindTree { fn new(n: usize) -> UnionFindTree { UnionFindTree { parent: vec![-1; n], size: vec![1usize; n], height: vec![0u64; n], } } fn find(&mut self, index: usize) -> usize { if self.parent[index] == -1 { return index; } let idx = self.parent[index] as usize; let ret = self.find(idx); self.parent[index] = ret as isize; ret } fn get_size(&mut self, x: usize) -> usize { let idx = self.find(x); self.size[idx] } fn unite(&mut self, index0: usize, index1: usize) -> bool { let a = self.find(index0); let b = self.find(index1); if a == b { false } else { if self.height[a] > self.height[b] { self.parent[b] = a as isize; self.size[a] += self.size[b]; } else if self.height[a] < self.height[b] { self.parent[a] = b as isize; self.size[b] += self.size[a]; } else { self.parent[b] = a as isize; self.size[a] += self.size[b]; self.height[a] += 1; } true } } }