結果
| 問題 |
No.1328 alligachi-problem
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-01-03 19:37:40 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 122 ms / 2,000 ms |
| コード長 | 5,645 bytes |
| コンパイル時間 | 15,192 ms |
| コンパイル使用メモリ | 379,168 KB |
| 実行使用メモリ | 9,304 KB |
| 最終ジャッジ日時 | 2024-10-13 13:33:04 |
| 合計ジャッジ時間 | 23,909 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 25 |
ソースコード
#![allow(unused_imports, unused_macros, dead_code)]
use std::cmp::*;
use std::collections::*;
macro_rules! min {
(.. $x:expr) => {{
let mut it = $x.iter();
it.next().map(|z| it.fold(z, |x, y| min!(x, y)))
}};
($x:expr) => ($x);
($x:expr, $($ys:expr),*) => {{
let t = min!($($ys),*);
if $x < t { $x } else { t }
}}
}
macro_rules! max {
(.. $x:expr) => {{
let mut it = $x.iter();
it.next().map(|z| it.fold(z, |x, y| max!(x, y)))
}};
($x:expr) => ($x);
($x:expr, $($ys:expr),*) => {{
let t = max!($($ys),*);
if $x > t { $x } else { t }
}}
}
macro_rules! trace {
($x:expr) => {
#[cfg(debug_assertions)]
eprintln!(">>> {} = {:?}", stringify!($x), $x)
};
($($xs:expr),*) => { trace!(($($xs),*)) }
}
macro_rules! put {
(.. $x:expr) => {{
let mut it = $x.iter();
if let Some(x) = it.next() { print!("{}", x); }
for x in it { print!(" {}", x); }
println!("");
}};
($x:expr) => { println!("{}", $x) };
($x:expr, $($xs:expr),*) => { print!("{} ", $x); put!($($xs),*) }
}
const M: i64 = 1_000_000_007;
#[derive(Debug, Clone, Copy)]
struct Ball {
c: char,
x: char,
y: usize,
id: usize,
}
fn main() {
let mut sc = Scanner::new();
let n: usize = sc.cin();
let mut rs = vec![];
let mut bs = vec![];
for i in 0..n {
let c: char = sc.cin();
let x: char = sc.cin();
let y: usize = sc.cin();
let b = Ball { c, x, y, id: i + 1 };
if x == 'R' {
rs.push(b);
} else {
bs.push(b);
}
}
rs.sort_by_key(|ball| (Reverse(ball.y), Reverse(ball.c)));
bs.sort_by_key(|ball| (Reverse(ball.y), ball.c));
let mut ans = vec![];
let mut num = DefaultDict::new(0);
let mut success = true;
loop {
trace!(&rs);
trace!(&bs);
trace!(&ans, &num);
match (rs.pop(), bs.pop()) {
(None, None) => break,
(Some(b), None) => {
if num[b.x] == b.y {
ans.push(b.id);
num[b.c] += 1;
} else {
success = false;
break;
}
}
(None, Some(b)) => {
if num[b.x] == b.y {
ans.push(b.id);
num[b.c] += 1;
} else {
success = false;
break;
}
}
(Some(a), Some(b)) => {
if num[a.x] == a.y && num[b.x] == b.y {
if a.c == 'R' {
ans.push(a.id);
num[a.c] += 1;
bs.push(b);
} else {
ans.push(b.id);
num[b.c] += 1;
rs.push(a);
}
} else if num[a.x] == a.y {
ans.push(a.id);
num[a.c] += 1;
bs.push(b);
} else if num[b.x] == b.y {
ans.push(b.id);
num[b.c] += 1;
rs.push(a);
} else {
success = false;
break;
}
}
}
}
if success {
put!("Yes");
put!(..ans);
} else {
put!("No");
}
}
// @collections/defaultdict
#[derive(Debug, Clone)]
pub struct DefaultDict<K, V>
where
K: Eq + std::hash::Hash,
{
data: std::collections::HashMap<K, V>,
default: V,
}
impl<K: Eq + std::hash::Hash, V> DefaultDict<K, V> {
pub fn new(default: V) -> DefaultDict<K, V> {
DefaultDict {
data: std::collections::HashMap::new(),
default,
}
}
pub fn keys(&self) -> std::collections::hash_map::Keys<K, V> {
self.data.keys()
}
pub fn iter(&self) -> std::collections::hash_map::Iter<K, V> {
self.data.iter()
}
pub fn len(&self) -> usize {
self.data.len()
}
}
impl<K: Eq + std::hash::Hash, V> std::ops::Index<K> for DefaultDict<K, V> {
type Output = V;
fn index(&self, key: K) -> &Self::Output {
if let Some(val) = self.data.get(&key) {
val
} else {
&self.default
}
}
}
impl<K: Eq + std::hash::Hash + Clone, V: Clone> std::ops::IndexMut<K> for DefaultDict<K, V> {
fn index_mut(&mut self, key: K) -> &mut Self::Output {
let val = self.default.clone();
self.data.entry(key.clone()).or_insert(val);
self.data.get_mut(&key).unwrap()
}
}
use std::collections::VecDeque;
use std::io::{self, Write};
use std::str::FromStr;
struct Scanner {
stdin: io::Stdin,
buffer: VecDeque<String>,
}
impl Scanner {
fn new() -> Self {
Scanner {
stdin: io::stdin(),
buffer: VecDeque::new(),
}
}
fn cin<T: FromStr>(&mut self) -> T {
while self.buffer.is_empty() {
let mut line = String::new();
let _ = self.stdin.read_line(&mut line);
for w in line.split_whitespace() {
self.buffer.push_back(String::from(w));
}
}
self.buffer.pop_front().unwrap().parse::<T>().ok().unwrap()
}
fn chars(&mut self) -> Vec<char> {
self.cin::<String>().chars().collect()
}
fn vec<T: FromStr>(&mut self, n: usize) -> Vec<T> {
(0..n).map(|_| self.cin()).collect()
}
}
fn flush() {
std::io::stdout().flush().unwrap();
}