結果
問題 | No.2536 同値性と充足可能性 |
ユーザー | ikoma |
提出日時 | 2023-11-10 22:47:56 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 53 ms / 2,000 ms |
コード長 | 4,004 bytes |
コンパイル時間 | 13,841 ms |
コンパイル使用メモリ | 378,756 KB |
実行使用メモリ | 9,856 KB |
最終ジャッジ日時 | 2024-09-26 02:01:37 |
合計ジャッジ時間 | 15,828 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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 4 ms
5,376 KB |
testcase_21 | AC | 4 ms
5,376 KB |
testcase_22 | AC | 4 ms
5,376 KB |
testcase_23 | AC | 33 ms
8,960 KB |
testcase_24 | AC | 33 ms
8,960 KB |
testcase_25 | AC | 52 ms
9,728 KB |
testcase_26 | AC | 53 ms
9,856 KB |
testcase_27 | AC | 52 ms
9,728 KB |
testcase_28 | AC | 50 ms
9,728 KB |
testcase_29 | AC | 50 ms
9,728 KB |
testcase_30 | AC | 50 ms
9,728 KB |
ソースコード
#![allow(unused_imports, dead_code, unused_macros, unused_variables, non_snake_case, unused_parens)] use std::cmp::{min,max,Ordering,Reverse}; use std::mem::swap; use std::collections::{VecDeque,LinkedList,HashMap,BTreeMap,HashSet,BTreeSet,BinaryHeap}; const MOD:u64 = 1_000_000_007; const INF:i64 = 0x7fff_ffff_ffff_ffff; macro_rules! min {($a:expr $(,)*) => {{$a}};($a:expr, $b:expr $(,)*) => {{std::cmp::min($a, $b)}};($a:expr, $($rest:expr),+ $(,)*) => {{std::cmp::min($a, min!($($rest),+))}};} macro_rules! max {($a:expr $(,)*) => {{$a}};($a:expr, $b:expr $(,)*) => {{std::cmp::max($a, $b)}};($a:expr, $($rest:expr),+ $(,)*) => {{std::cmp::max($a, max!($($rest),+))}};} macro_rules! mulvec {($x:expr; $s:expr) => {vec![$x; $s]};($x:expr; $s0:expr; $( $s:expr );+) => {mulvec![vec![$x; $s0]; $( $s );+ ]};} fn solve() { input! { n : usize, m : usize, iej: [(usize,String,usize);m], } let mut uf = UnionFind::new(n*2); for (i,e,j) in iej { if e == "<==>" { uf.unite(i-1, j-1); uf.unite(i-1+n, j-1+n); }else{ uf.unite(i-1, j-1+n); uf.unite(i-1+n, j-1); } } let flg = (0..n).all(|i| !uf.same(i, i+n)); if flg { println!("Yes"); let mut a = vec![]; let mut b = vec![]; for i in 0..n { if uf.same(i, 0) { a.push(i+1); }else if uf.same(i+n, 0){ b.push(i+1); }else{ a.push(i+1); uf.unite(0, i); } } if a.len() >= b.len() { println!("{}", a.len()); println!("{}", a.iter().map(std::string::ToString::to_string).collect::<Vec<_>>().join(" ")); }else{ println!("{}", b.len()); println!("{}", b.iter().map(std::string::ToString::to_string).collect::<Vec<_>>().join(" ")); } }else{ println!("No"); } } fn main() { std::thread::Builder::new() .stack_size(128 * 1024 * 1024) .spawn(|| solve()).unwrap() .join().unwrap(); } pub struct UnionFind { parents: Vec<i32>, } impl UnionFind { pub fn new(n: usize) -> Self { UnionFind { parents: vec![-1_i32; n], } } pub fn find(&mut self, x: usize) -> usize { if self.parents[x] < 0 { return x; } self.parents[x] = self.find(self.parents[x] as usize) as i32; self.parents[x] as usize } pub fn same(&mut self, x:usize, y:usize) -> bool { self.find(x) == self.find(y) } pub fn unite(&mut self, x:usize, y:usize) -> bool { let mut x = self.find(x) as usize; let mut y = self.find(y) as usize; if x == y { return false; } if self.parents[x] > self.parents[y] { std::mem::swap(&mut x, &mut y); } self.parents[x] += self.parents[y]; self.parents[y] = x as i32; true } pub fn size(&mut self, x:usize) -> usize { let parent = self.find(x); (-self.parents[parent]) as usize } } mod _input { // https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 #[macro_export] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); let mut next = || { iter.next().unwrap() }; input_inner!{next, $($r)*} }; ($($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_export] 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_export] 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:ty) => { $next().parse::<$t>().expect("Parse error") }; } }