結果
問題 | No.866 レベルKの正方形 |
ユーザー |
|
提出日時 | 2021-11-08 23:17:51 |
言語 | Rust (1.83.0 + proconio) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,533 bytes |
コンパイル時間 | 12,307 ms |
コンパイル使用メモリ | 377,928 KB |
実行使用メモリ | 425,984 KB |
最終ジャッジ日時 | 2024-11-17 02:30:02 |
合計ジャッジ時間 | 94,438 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 15 TLE * 7 |
ソースコード
#[allow(unused_imports)]use std::cmp::*;#[allow(unused_imports)]use std::collections::*;// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8macro_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);read_value!($next, [$t; len])}};($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));}trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); }impl<T: PartialOrd> Change for T {fn chmax(&mut self, x: T) { if *self < x { *self = x; } }fn chmin(&mut self, x: T) { if *self > x { *self = x; } }}fn main() {input! {h: usize, w: usize, k: usize,c: [chars; h],}let mut acc = vec![vec![[0; 26]; w + 1]; h + 1];for u in 0..26 {for i in 0..h {for j in 0..w {acc[i + 1][j + 1][u] = acc[i + 1][j][u] + acc[i][j + 1][u]- acc[i][j][u] + if c[i][j] as u8 - b'a' == u as u8 {1} else {0};}}}let mut tot = 0;for i in 0..h {for j in 0..w {let mut pass = 0;let mut fail = min(w - j, h - i) + 1;while fail - pass > 1 {let mid = (fail + pass) / 2;let mut ans = 0;for u in 0..26 {if acc[i + mid][j + mid][u] - acc[i][j + mid][u]- acc[i + mid][j][u] + acc[i][j][u] > 0 {ans += 1;}}if ans < k {pass = mid;} else {fail = mid;}}let lb = fail;let mut fail = min(w - j, h - i) + 1;while fail - pass > 1 {let mid = (fail + pass) / 2;let mut ans = 0;for u in 0..26 {if acc[i + mid][j + mid][u] - acc[i][j + mid][u]- acc[i + mid][j][u] + acc[i][j][u] > 0 {ans += 1;}}if ans <= k {pass = mid;} else {fail = mid;}}let ub = fail;if lb < ub {tot += (ub - lb) as i64;}}}println!("{}", tot);}