結果
問題 | No.2509 Beam Shateki |
ユーザー | Moss_Local |
提出日時 | 2023-10-20 22:03:05 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 1,469 ms / 2,000 ms |
コード長 | 6,927 bytes |
コンパイル時間 | 15,193 ms |
コンパイル使用メモリ | 384,628 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-20 19:02:43 |
合計ジャッジ時間 | 51,738 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 61 |
ソースコード
// -*- coding:utf-8-unix -*-// #![feature(map_first_last)]#![allow(dead_code)]#![allow(unused_imports)]#![allow(unused_macros)]// use core::num;use std::cmp::*;use std::fmt::*;use std::hash::*;use std::iter::FromIterator;use std::*;use std::{cmp, collections, fmt, io, iter, ops, str};const INF: i64 = 1223372036854775807;const UINF: usize = INF as usize;const LINF: i64 = 2147483647;const INF128: i128 = 1223372036854775807000000000000;const MOD1: i64 = 1000000007;const MOD9: i64 = 998244353;const MOD: i64 = MOD9;// const MOD: i64 = MOD2;const UMOD: usize = MOD as usize;const M_PI: f64 = 3.14159265358979323846;// use proconio::input;// const MOD: i64 = INF;use cmp::Ordering::*;use std::collections::*;use std::io::stdin;use std::io::stdout;use std::io::Write;macro_rules! p {($x:expr) => {//if exprprintln!("{}", $x);};}macro_rules! vp {// vector print separate with space($x:expr) => {println!("{}",$x.iter().map(|x| x.to_string()).collect::<Vec<_>>().join(" "));};}macro_rules! d {($x:expr) => {eprintln!("{:?}", $x);};}macro_rules! yn {($val:expr) => {if $val {println!("Yes");} else {println!("No");}};}fn main() {solve();}// use str::Chars;#[allow(dead_code)]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()}#[allow(dead_code)]fn read_vec<T: std::str::FromStr>() -> Vec<T> {read::<String>().split_whitespace().map(|e| e.parse().ok().unwrap()).collect()}#[allow(dead_code)]fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {(0..n).map(|_| read_vec()).collect()}#[allow(dead_code)]fn readii() -> (i64, i64) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<i64>().unwrap(),iter.next().unwrap().parse::<i64>().unwrap(),)}#[allow(dead_code)]fn readiii() -> (i64, i64, i64) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<i64>().unwrap(),iter.next().unwrap().parse::<i64>().unwrap(),iter.next().unwrap().parse::<i64>().unwrap(),)}#[allow(dead_code)]fn readuu() -> (usize, usize) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<usize>().unwrap(),iter.next().unwrap().parse::<usize>().unwrap(),)}#[allow(dead_code)]fn readff() -> (f64, f64) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<f64>().unwrap(),iter.next().unwrap().parse::<f64>().unwrap(),)}fn readcc() -> (char, char) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<char>().unwrap(),iter.next().unwrap().parse::<char>().unwrap(),)}fn readuuu() -> (usize, usize, usize) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<usize>().unwrap(),iter.next().unwrap().parse::<usize>().unwrap(),iter.next().unwrap().parse::<usize>().unwrap(),)}#[allow(dead_code)]fn readiiii() -> (i64, i64, i64, i64) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<i64>().unwrap(),iter.next().unwrap().parse::<i64>().unwrap(),iter.next().unwrap().parse::<i64>().unwrap(),iter.next().unwrap().parse::<i64>().unwrap(),)}#[allow(dead_code)]fn readuuuu() -> (usize, usize, usize, usize) {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();(iter.next().unwrap().parse::<usize>().unwrap(),iter.next().unwrap().parse::<usize>().unwrap(),iter.next().unwrap().parse::<usize>().unwrap(),iter.next().unwrap().parse::<usize>().unwrap(),)}fn readimat(h: usize, w: usize) -> Vec<Vec<i64>> {let mut mat = vec![vec![0; w]; h];for i in 0..h {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.split_whitespace();for j in 0..w {mat[i][j] = iter.next().unwrap().parse::<i64>().unwrap();}}mat}fn readcmat(h: usize, w: usize) -> Vec<Vec<char>> {let mut mat = vec![vec!['.'; w]; h];for i in 0..h {let mut str = String::new();let _ = stdin().read_line(&mut str).unwrap();let mut iter = str.chars();for j in 0..w {mat[i][j] = iter.next().unwrap();}}mat}fn solve() {let (h, w) = readuu();let mat = readimat(h, w);let mut cand = vec![];for i in 0..h {let mut c = vec![];for j in 0..w {c.push((i, j));}cand.push(c);}for j in 0..w {let mut c = vec![];for i in 0..h {c.push((i, j));}cand.push(c);}for i in 0..=(h + w - 2) {let mut c = vec![];for j in 0..=i {if j >= h || i - j >= w {continue;}c.push((j, i - j));}cand.push(c);}for i in 0..h {let mut pi = i;let mut pj = 0;let mut c = vec![];while pi < h && pj < w {c.push((pi, pj));pi += 1;pj += 1;}cand.push(c);}for i in 0..w {let mut pi = 0;let mut pj = i;let mut c = vec![];while pi < h && pj < w {c.push((pi, pj));pi += 1;pj += 1;}cand.push(c);}let mut res = 0;for i in 0..cand.len() {for j in i + 1..cand.len() {let mut set = BTreeSet::new();for k in 0..cand[i].len() {set.insert(cand[i][k]);}for k in 0..cand[j].len() {set.insert(cand[j][k]);}let mut sum = 0;for s in set {sum += mat[s.0][s.1];}res = max(res, sum);}}p!(res);return;}