Submission #3780706
Source Code Expand
#[allow(unused_imports)]
use std::cmp::{max, min, Ordering};
#[allow(unused_imports)]
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};
#[allow(unused_imports)]
use std::io::{stdin, stdout, BufWriter, StdoutLock, Write};
#[allow(unused_imports)]
use std::iter::FromIterator;
#[allow(unused_macros)]
macro_rules ! input { ( source = $ s : expr , $ ( $ r : tt ) * ) => { let mut iter = $ s . split_whitespace ( ) ; let mut next = || { iter . next ( ) . unwrap ( ) } ; input_inner ! { next , $ ( $ r ) * } } ; ( $ ( $ 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 ) * } } ; }
#[allow(unused_macros)]
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 ) * } } ; }
#[allow(unused_macros)]
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 , bytes ) => { read_value ! ( $ next , String ) . into_bytes ( ) } ; ( $ next : expr , usize1 ) => { read_value ! ( $ next , usize ) - 1 } ; ( $ next : expr , $ t : ty ) => { $ next ( ) . parse ::<$ t > ( ) . expect ( "Parse error" ) } ; }
#[allow(dead_code)]
pub fn with_bufwriter<F: FnOnce(BufWriter<StdoutLock>) -> ()>(f: F) {
let out = stdout();
let writer = BufWriter::new(out.lock());
f(writer)
}
#[allow(unused_macros)]
macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { eprintln ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) } ; }
#[allow(dead_code)]
const BIG_STACK_SIZE: bool = true;
#[allow(dead_code)]
fn main() {
use std::thread;
if BIG_STACK_SIZE {
thread::Builder::new()
.stack_size(32 * 1024 * 1024)
.name("solve".into())
.spawn(solve)
.unwrap()
.join()
.unwrap();
} else {
solve();
}
}
#[allow(dead_code)]
pub fn adjacent4(x: usize, y: usize, xsize: usize, ysize: usize) -> Vec<(usize, usize)> {
[(1, 0), (0, 1), (-1, 0), (0, -1)]
.into_iter()
.filter_map(|&(dx, dy)| {
let nx = x as isize + dx;
let ny = y as isize + dy;
if nx >= 0 && nx < xsize as isize && ny >= 0 && ny < ysize as isize {
Some((nx as usize, ny as usize))
} else {
None
}
})
.collect()
}
fn solve() {
input! {
r: usize,
c: usize,
sy: usize,
sx: usize,
gy: usize,
gx: usize,
board: [chars; r],
}
let mut que = VecDeque::new();
let mut d = vec![vec![None; c]; r];
d[sy-1][sx-1] = Some(0);
que.push_back((sy-1, sx-1));
while let Some((y, x)) = que.pop_front() {
//debug!(y, x);
/*if d[y][x].is_none() {
continue;
}*/
if y == gy-1 && x == gx-1 {
println!("{}", d[y][x].unwrap());
std::process::exit(0);
}
for (ny, nx) in adjacent4(y, x, r, c) {
if board[ny][nx] == '.' && d[ny][nx].is_none() {
que.push_back((ny, nx));
d[ny][nx] = Some(d[y][x].unwrap() + 1);
}
}
}
}
Submission Info
Submission Time |
|
Task |
C - 幅優先探索 |
User |
wh317706 |
Language |
Rust (1.15.1) |
Score |
100 |
Code Size |
3983 Byte |
Status |
AC |
Exec Time |
3 ms |
Memory |
8572 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
100 / 100 |
Status |
|
|
Set Name |
Test Cases |
Sample |
subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt |
All |
subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt |
Case Name |
Status |
Exec Time |
Memory |
subtask0_sample01.txt |
AC |
3 ms |
8572 KB |
subtask0_sample02.txt |
AC |
3 ms |
8572 KB |
subtask0_sample03.txt |
AC |
3 ms |
8572 KB |
subtask1_01.txt |
AC |
3 ms |
8572 KB |
subtask1_02.txt |
AC |
3 ms |
8572 KB |
subtask1_03.txt |
AC |
3 ms |
8572 KB |
subtask1_04.txt |
AC |
3 ms |
8572 KB |
subtask1_05.txt |
AC |
3 ms |
8572 KB |
subtask1_06.txt |
AC |
3 ms |
8572 KB |
subtask1_07.txt |
AC |
3 ms |
8572 KB |
subtask1_08.txt |
AC |
3 ms |
8572 KB |
subtask1_09.txt |
AC |
3 ms |
8572 KB |
subtask1_10.txt |
AC |
3 ms |
8572 KB |
subtask1_11.txt |
AC |
3 ms |
8572 KB |
subtask1_12.txt |
AC |
3 ms |
8572 KB |
subtask1_13.txt |
AC |
3 ms |
8572 KB |
subtask1_14.txt |
AC |
3 ms |
8572 KB |
subtask1_15.txt |
AC |
3 ms |
8572 KB |
subtask1_16.txt |
AC |
3 ms |
8572 KB |
subtask1_17.txt |
AC |
3 ms |
8572 KB |
subtask1_18.txt |
AC |
3 ms |
8572 KB |
subtask1_19.txt |
AC |
3 ms |
8572 KB |
subtask1_20.txt |
AC |
3 ms |
8572 KB |
subtask1_21.txt |
AC |
3 ms |
8572 KB |
subtask1_22.txt |
AC |
3 ms |
8572 KB |