結果
| 問題 |
No.2283 Prohibit Three Consecutive
|
| コンテスト | |
| ユーザー |
tipstar0125
|
| 提出日時 | 2023-04-28 22:20:59 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 13,411 bytes |
| コンパイル時間 | 14,429 ms |
| コンパイル使用メモリ | 379,180 KB |
| 実行使用メモリ | 10,496 KB |
| 最終ジャッジ日時 | 2024-11-17 21:16:48 |
| 合計ジャッジ時間 | 17,785 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 6 WA * 5 TLE * 2 |
ソースコード
#![allow(non_snake_case)]
#![allow(unused_imports)]
#![allow(unused_macros)]
#![allow(clippy::needless_range_loop)]
#![allow(clippy::comparison_chain)]
#![allow(clippy::nonminimal_bool)]
#![allow(clippy::neg_multiply)]
#![allow(dead_code)]
use std::cmp::Reverse;
use std::collections::{BTreeMap, BinaryHeap, VecDeque};
use std::ops;
// const MOD: usize = 1e9 as usize + 7;
const MOD: usize = 998244353;
// const MOD: usize = 2147483647;
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()
}
#[macro_export]
macro_rules! max {
($x: expr) => ($x);
($x: expr, $( $y: expr ),+) => {
std::cmp::max($x, max!($( $y ),+))
}
}
#[macro_export]
macro_rules! min {
($x: expr) => ($x);
($x: expr, $( $y: expr ),+) => {
std::cmp::min($x, min!($( $y ),+))
}
}
#[derive(Debug, Clone)]
struct UnionFind {
parent: Vec<isize>,
size: usize,
}
impl UnionFind {
fn new(n: usize) -> Self {
UnionFind {
parent: vec![-1; n],
size: n,
}
}
fn find(&mut self, x: usize) -> usize {
if self.parent[x] < 0 {
return x;
}
let root = self.find(self.parent[x] as usize);
self.parent[x] = root as isize;
root
}
fn unite(&mut self, x: usize, y: usize) -> Option<(usize, usize)> {
let root_x = self.find(x);
let root_y = self.find(y);
if root_x == root_y {
return None;
}
let size_x = -self.parent[root_x];
let size_y = -self.parent[root_y];
self.size -= 1;
if size_x >= size_y {
self.parent[root_x] -= size_y;
self.parent[root_y] = root_x as isize;
Some((root_x, root_y))
} else {
self.parent[root_y] -= size_x;
self.parent[root_x] = root_y as isize;
Some((root_y, root_x))
}
}
fn is_same(&mut self, x: usize, y: usize) -> bool {
self.find(x) == self.find(y)
}
fn is_root(&mut self, x: usize) -> bool {
self.find(x) == x
}
fn get_union_size(&mut self, x: usize) -> usize {
let root = self.find(x);
-self.parent[root] as usize
}
fn get_size(&self) -> usize {
self.size
}
fn roots(&self) -> Vec<usize> {
(0..self.parent.len())
.filter(|i| self.parent[*i] < 0)
.collect::<Vec<usize>>()
}
fn members(&mut self, x: usize) -> Vec<usize> {
let root = self.find(x);
(0..self.parent.len())
.filter(|i| self.find(*i) == root)
.collect::<Vec<usize>>()
}
fn all_group_members(&mut self) -> BTreeMap<usize, Vec<usize>> {
let mut groups_map: BTreeMap<usize, Vec<usize>> = BTreeMap::new();
for x in 0..self.parent.len() {
let r = self.find(x);
groups_map.entry(r).or_default().push(x);
}
groups_map
}
}
#[derive(Debug, Clone)]
struct WeightedUnionFind {
parent: Vec<isize>,
size: usize,
diff_weight: Vec<isize>,
}
impl WeightedUnionFind {
fn new(n: usize) -> Self {
WeightedUnionFind {
parent: vec![-1; n],
size: n,
diff_weight: vec![0_isize; n],
}
}
fn find(&mut self, x: usize) -> usize {
if self.parent[x] < 0 {
return x;
}
let root = self.find(self.parent[x] as usize);
self.diff_weight[x] += self.diff_weight[self.parent[x] as usize];
self.parent[x] = root as isize;
root
}
fn weight(&mut self, x: usize) -> isize {
self.find(x);
self.diff_weight[x]
}
fn unite(&mut self, x: usize, y: usize, w: isize) -> Option<(usize, usize)> {
let root_x = self.find(x);
let root_y = self.find(y);
if root_x == root_y {
return None;
}
let adjusted_w = w + self.weight(x) - self.weight(y);
let size_x = -self.parent[root_x];
let size_y = -self.parent[root_y];
self.size -= 1;
if size_x >= size_y {
self.diff_weight[root_y] = adjusted_w;
self.parent[root_x] -= size_y;
self.parent[root_y] = root_x as isize;
Some((root_x, root_y))
} else {
self.diff_weight[root_x] = -adjusted_w;
self.parent[root_y] -= size_x;
self.parent[root_x] = root_y as isize;
Some((root_y, root_x))
}
}
fn is_same(&mut self, x: usize, y: usize) -> bool {
self.find(x) == self.find(y)
}
fn is_root(&mut self, x: usize) -> bool {
self.find(x) == x
}
fn diff(&mut self, x: usize, y: usize) -> isize {
self.weight(y) - self.weight(x)
}
fn get_union_size(&mut self, x: usize) -> usize {
let root = self.find(x);
-self.parent[root] as usize
}
fn get_size(&self) -> usize {
self.size
}
fn roots(&self) -> Vec<usize> {
(0..self.parent.len())
.filter(|i| self.parent[*i] < 0)
.collect::<Vec<usize>>()
}
fn members(&mut self, x: usize) -> Vec<usize> {
let root = self.find(x);
(0..self.parent.len())
.filter(|i| self.find(*i) == root)
.collect::<Vec<usize>>()
}
fn all_group_members(&mut self) -> BTreeMap<usize, Vec<usize>> {
let mut groups_map: BTreeMap<usize, Vec<usize>> = BTreeMap::new();
for x in 0..self.parent.len() {
let r = self.find(x);
groups_map.entry(r).or_default().push(x);
}
groups_map
}
}
type M = ModInt;
#[derive(Debug, Clone, Copy)]
struct ModInt {
value: usize,
}
impl ModInt {
fn new(n: usize) -> Self {
ModInt { value: n % MOD }
}
fn zero() -> Self {
ModInt { value: 0 }
}
fn one() -> Self {
ModInt { value: 1 }
}
fn value(&self) -> usize {
self.value
}
fn pow(&self, n: usize) -> Self {
let mut p = *self;
let mut ret = ModInt::one();
let mut nn = n;
while nn > 0 {
if nn & 1 == 1 {
ret *= p;
}
p *= p;
nn >>= 1;
}
ret
}
fn inv(&self) -> Self {
ModInt::new((ext_gcd(self.value, MOD).0 + MOD as isize) as usize)
}
}
impl ops::Add for ModInt {
type Output = ModInt;
fn add(self, other: Self) -> Self {
ModInt::new(self.value + other.value)
}
}
impl ops::Sub for ModInt {
type Output = ModInt;
fn sub(self, other: Self) -> Self {
ModInt::new(MOD + self.value - other.value)
}
}
impl ops::Mul for ModInt {
type Output = ModInt;
fn mul(self, other: Self) -> Self {
ModInt::new(self.value * other.value)
}
}
#[allow(clippy::suspicious_arithmetic_impl)]
impl ops::Div for ModInt {
type Output = ModInt;
fn div(self, other: Self) -> Self {
self * other.inv()
}
}
impl ops::AddAssign for ModInt {
fn add_assign(&mut self, other: Self) {
*self = *self + other;
}
}
impl ops::SubAssign for ModInt {
fn sub_assign(&mut self, other: Self) {
*self = *self - other;
}
}
impl ops::MulAssign for ModInt {
fn mul_assign(&mut self, other: Self) {
*self = *self * other;
}
}
impl ops::DivAssign for ModInt {
fn div_assign(&mut self, other: Self) {
*self = *self / other;
}
}
#[derive(Debug, Clone)]
struct Comb {
fact: Vec<ModInt>,
fact_inverse: Vec<ModInt>,
}
impl Comb {
fn new(n: usize) -> Self {
let mut fact = vec![M::one(), M::one()];
let mut fact_inverse = vec![M::one(), M::one()];
let mut inverse = vec![M::zero(), M::one()];
for i in 2..=n {
fact.push(*fact.last().unwrap() * M::new(i));
inverse.push((M::zero() - inverse[MOD % i]) * M::new(MOD / i));
fact_inverse.push(*fact_inverse.last().unwrap() * *inverse.last().unwrap());
}
Comb { fact, fact_inverse }
}
fn nCr(&self, n: usize, r: usize) -> ModInt {
self.fact[n] * self.fact_inverse[n - r] * self.fact_inverse[r]
}
fn nHr(&self, n: usize, r: usize) -> ModInt {
self.nCr(n + r - 1, r)
}
}
#[derive(Default)]
struct Solver {}
impl Solver {
fn solve(&mut self) {
let T: usize = read();
for _ in 0..T {
let N: usize = read();
let S: String = read();
let mut S: Vec<char> = S.chars().collect();
let mut cnt = 0_usize;
let mut two_row = vec![];
let mut two_row_index = vec![];
let mut ok = true;
for i in 0..2 * N {
if cnt == 0 && i >= N {
break;
}
let idx1 = i % N;
let idx2 = (i + 1) % N;
let a = S[idx1];
let b = S[idx2];
if a == b && (a == '0' || a == '1') {
if cnt == 0 {
two_row_index.push(idx1);
two_row_index.push(idx2);
}
cnt += 1;
} else {
if cnt >= 2 {
ok = false;
break;
} else if cnt == 1 {
two_row.push(two_row_index.clone());
}
cnt = 0;
two_row_index = vec![];
}
for v in &two_row {
let idx1 = v[0];
let idx1_before = (N + idx1 - 1) % N;
let idx2 = v[1];
let idx2_after = (idx2 + 1) % N;
if S[idx1_before] == S[idx1] {
ok = false;
}
if S[idx1_before] == '?' {
if S[idx1] == '0' {
S[idx1_before] = '1';
} else {
S[idx1_before] = '0';
}
}
if S[idx2_after] == S[idx2] {
ok = false;
}
if S[idx2_after] == '?' {
if S[idx2] == '0' {
S[idx2_after] = '1';
} else {
S[idx2_after] = '0';
}
}
}
}
if ok {
println!("Yes");
} else {
println!("No");
}
}
}
}
fn main() {
std::thread::Builder::new()
.stack_size(128 * 1024 * 1024)
.spawn(|| Solver::default().solve())
.unwrap()
.join()
.unwrap();
}
fn eratosthenes(n: usize) -> Vec<bool> {
let mut is_prime_list = vec![true; n + 1];
is_prime_list[0] = false;
is_prime_list[1] = false;
let mut i = 2;
while i * i <= n {
if is_prime_list[i] {
let mut j = i * i;
while j <= n {
is_prime_list[j] = false;
j += i;
}
}
i += 1
}
is_prime_list
}
fn legendre(n: usize, p: usize) -> usize {
let mut cnt = 0_usize;
let mut pp = p;
while pp <= n {
cnt += n / pp;
pp *= p;
}
cnt
}
fn mod_pow(a: usize, b: usize) -> usize {
let mut p = a;
let mut ret = 1;
let mut n = b;
while n > 0 {
if n & 1 == 1 {
ret = ret * p % MOD;
}
p = p * p % MOD;
n >>= 1;
}
ret
}
fn mod_pow2(a: usize, b: usize, m: usize) -> usize {
let mut p = a;
let mut ret = 1;
let mut n = b;
while n > 0 {
if n & 1 == 1 {
ret = ret * p % m;
}
p = p * p % m;
n >>= 1;
}
ret
}
fn mod_inv(a: usize, b: usize) -> usize {
(a * mod_pow(b, MOD - 2)) % MOD
}
fn prime_factorize(n: usize) -> BTreeMap<usize, usize> {
let mut nn = n;
let mut i = 2;
let mut pf: BTreeMap<usize, usize> = BTreeMap::new();
while i * i <= n {
while nn % i == 0 {
*pf.entry(i).or_default() += 1;
nn /= i;
}
i += 1;
}
if nn != 1 {
*pf.entry(nn).or_default() += 1;
}
pf
}
fn enum_dividers(n: usize) -> Vec<usize> {
let mut i = 1_usize;
let mut ret = vec![];
while i * i <= n {
if n % i == 0 {
ret.push(i);
if i != n / i {
ret.push(n / i);
}
}
i += 1;
}
ret.sort();
ret
}
// ax+by=gcd(a, b)
fn ext_gcd(a: usize, b: usize) -> (isize, isize, usize) {
if a == 0 {
return (0, 1, b);
}
let (x, y, g) = ext_gcd(b % a, a);
(y - b as isize / a as isize * x, x, g)
}
fn mod_inv2(x: usize) -> usize {
(ext_gcd(x, MOD).0 + MOD as isize) as usize % MOD
}
fn coordinate_compression<T: std::cmp::Ord + Copy>(v: Vec<T>) -> BTreeMap<T, usize> {
let mut vv = v;
vv.sort();
vv.dedup();
let ret = vv.iter().enumerate().map(|(i, &s)| (s, i)).collect();
ret
}
tipstar0125