結果
| 問題 |
No.971 いたずらっ子
|
| コンテスト | |
| ユーザー |
manta1130
|
| 提出日時 | 2020-01-17 22:45:15 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,979 bytes |
| コンパイル時間 | 17,584 ms |
| コンパイル使用メモリ | 377,372 KB |
| 実行使用メモリ | 153,344 KB |
| 最終ジャッジ日時 | 2024-06-25 22:47:38 |
| 合計ジャッジ時間 | 18,976 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | -- * 4 |
| other | TLE * 1 -- * 20 |
コンパイルメッセージ
warning: unnecessary trailing semicolon
--> src/main.rs:128:25
|
128 | let mut lim=0_usize;;
| ^ help: remove this semicolon
|
= note: `#[warn(redundant_semicolons)]` on by default
warning: variable `lim` is assigned to, but never used
--> src/main.rs:128:13
|
128 | let mut lim=0_usize;;
| ^^^
|
= note: consider using `_lim` instead
= note: `#[warn(unused_variables)]` on by default
ソースコード
// ____ _ _ _ _
// | _ \ _ _ ___| |_ ___ _ __ | |_ ___ _ __ ___ _ __ | | __ _| |_ ___
// | |_) | | | / __| __| / __| '_ \ | __/ _ \ '_ ` _ \| '_ \| |/ _` | __/ _ \
// | _ <| |_| \__ \ |_ | (__| |_) | | || __/ | | | | | |_) | | (_| | || __/
// |_| \_\\__,_|___/\__| \___| .__/___\__\___|_| |_| |_| .__/|_|\__,_|\__\___|
// |_| |_____| |_|
//https://github.com/manta1130/Competitive_Programming_Template_Rust
#[macro_use]
mod input {
use std;
use std::io;
const SPLIT_DELIMITER: char = ' ';
#[macro_export]
#[allow(unused_macros)]
macro_rules! input {
( $($x:expr ),*) => {
{
let temp_str = input_line_str();
let mut split_result_iter = temp_str.split_whitespace();
$(
let buf_split_result = split_result_iter.next();
let buf_split_result = buf_split_result.unwrap();
($x) = buf_split_result.parse().unwrap();
)*
}
};
}
#[allow(dead_code)]
pub fn input_line_str() -> String {
let mut s = String::new();
io::stdin().read_line(&mut s).unwrap();
s.trim().to_string()
}
#[allow(dead_code)]
pub fn p<T>(t: T)
where
T: std::fmt::Display,
{
println!("{}", t);
}
#[allow(dead_code)]
pub fn input_vector2d<T>(line: usize) -> Vec<Vec<T>>
where
T: std::str::FromStr,
{
let mut v: Vec<Vec<T>> = Vec::new();
for _ in 0..line {
let vec_line = input_vector();
v.push(vec_line);
}
v
}
#[allow(dead_code)]
pub fn input_vector<T>() -> Vec<T>
where
T: std::str::FromStr,
{
let mut v: Vec<T> = Vec::new();
let s = input_line_str();
let split_result = s.split(SPLIT_DELIMITER);
for z in split_result {
let buf = match z.parse() {
Ok(r) => r,
Err(_) => panic!("Parse Error"),
};
v.push(buf);
}
v
}
#[allow(dead_code)]
pub fn input_vector_row<T>(n: usize) -> Vec<T>
where
T: std::str::FromStr,
{
let mut v = Vec::with_capacity(n);
for _ in 0..n {
let buf = match input_line_str().parse() {
Ok(r) => r,
Err(_) => panic!("Parse Error"),
};
v.push(buf);
}
v
}
pub trait ToCharVec {
fn to_charvec(&self) -> Vec<char>;
}
impl ToCharVec for String {
fn to_charvec(&self) -> Vec<char> {
self.to_string().chars().collect::<Vec<_>>()
}
}
}
use input::*;
use std::collections::VecDeque;
const INF: usize = 999999999;
fn main() {
let (h, w): (usize, usize);
input!(h, w);
let mut table = vec![];
for _ in 0..h {
let buf = input_line_str().to_charvec();
table.push(buf);
}
let mut q = VecDeque::with_capacity(h * w);
let mut ans = vec![vec![INF; w]; h];
q.push_front((0, 0, 0));
ans[0][0]=0;
let mut lim=0_usize;;
while !q.is_empty() {
lim+=1;
let (cost, x, y) = q.pop_back().unwrap();
if cost != ans[y][x] {
continue;
}
if y + 1 < h && table[y + 1][x] == '.' && cost + 1 < ans[y + 1][x] {
ans[y + 1][x] = cost + 1;
q.push_front((cost + 1, x, y + 1));
}
if x + 1 < w && table[y][x + 1] == '.' && cost + 1 < ans[y][x + 1] {
ans[y][x + 1] = cost + 1;
q.push_front((cost + 1, x + 1, y));
}
if x > 0 && table[y][x - 1] == '.' && cost + 1 < ans[y][x - 1] {
ans[y][x - 1] = cost + 1;
q.push_front((cost + 1, x - 1, y));
}
if y > 0 && table[y - 1][x] == '.' && cost + 1 < ans[y - 1][x] {
ans[y - 1][x] = cost + 1;
q.push_front((cost + 1, x, y - 1));
}
if y + 1 < h && table[y + 1][x] == 'k' && cost + 1 + y + x + 1 < ans[y + 1][x] {
ans[y + 1][x] = cost + 1 + y + x + 1;
q.push_front((cost + 1 + y + x + 1, x, y + 1));
}
if x + 1 < w && table[y][x + 1] == 'k' && cost + 1 + y + x + 1 < ans[y][x + 1] {
ans[y][x + 1] = cost + 1 + y + x + 1;
q.push_front((cost + 1 + y + x + 1, x + 1, y));
}
if x > 0 && table[y][x - 1] == 'k' && cost + 1 + y + x - 1 < ans[y][x - 1] {
ans[y][x - 1] = cost + 1 + y + x - 1;
q.push_front((cost + 1 + y + x - 1, x - 1, y));
}
if y > 0 && table[y - 1][x] == 'k' && cost + 1 + y + x - 1 < ans[y - 1][x] {
ans[y - 1][x] = cost + 1 + y + x - 1;
q.push_front((cost + 1 + y + x - 1, x, y - 1));
}
if ans[h-1][w-1]!=INF{
break;
}
}
println!("{}", ans[h - 1][w - 1]);
}
manta1130