結果
| 問題 |
No.8063 幅優先探索
|
| コンテスト | |
| ユーザー |
akakimidori
|
| 提出日時 | 2020-04-01 22:17:23 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 9 ms / 2,000 ms |
| コード長 | 1,476 bytes |
| コンパイル時間 | 13,439 ms |
| コンパイル使用メモリ | 390,548 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-27 11:17:48 |
| 合計ジャッジ時間 | 14,189 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 9 |
コンパイルメッセージ
warning: unused variable: `w`
--> src/main.rs:51:9
|
51 | w: usize,
| ^
|
help: `w` is captured in macro and introduced a unused variable
--> src/main.rs:23:13
|
23 | let $var = read_value!($iter, $t);
| ^^^^
...
49 | / input! {
50 | | h: usize,
51 | | w: usize,
52 | | s: (i64, i64),
53 | | t: (i64, i64),
54 | | board: [chars; h],
55 | | }
| |_____- in this macro invocation
= note: `#[warn(unused_variables)]` on by default
= note: this warning originates in the macro `input_inner` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: unused variable: `board`
--> src/main.rs:54:9
|
54 | board: [chars; h],
| ^^^^^
|
help: `board` is captured in macro and introduced a unused variable
--> src/main.rs:23:13
|
23 | let $var = read_value!($iter, $t);
| ^^^^
...
49 | / input! {
50 | | h: usize,
51 | | w: usize,
52 | | s: (i64, i64),
53 | | t: (i64, i64),
54 | | board: [chars; h],
55 | | }
| |_____- in this macro invocation
= note: this warning originates in the macro `input_inner` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
ソースコード
//https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 より
macro_rules! input {
(source = $s:expr, $($r:tt)*) => {
let mut iter = $s.split_whitespace();
input_inner!{iter, $($r)*}
};
($($r:tt)*) => {
let s = {
use std::io::Read;
let mut s = String::new();
std::io::stdin().read_to_string(&mut s).unwrap();
s
};
let mut iter = s.split_whitespace();
input_inner!{iter, $($r)*}
};
}
macro_rules! input_inner {
($iter:expr) => {};
($iter:expr, ) => {};
($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
let $var = read_value!($iter, $t);
input_inner!{$iter $($r)*}
};
}
macro_rules! read_value {
($iter:expr, ( $($t:tt),* )) => {
( $(read_value!($iter, $t)),* )
};
($iter:expr, [ $t:tt ; $len:expr ]) => {
(0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
};
($iter:expr, chars) => {
read_value!($iter, String).chars().collect::<Vec<char>>()
};
($iter:expr, usize1) => {
read_value!($iter, usize) - 1
};
($iter:expr, $t:ty) => {
$iter.next().unwrap().parse::<$t>().expect("Parse error")
};
}
//
fn run() {
input! {
h: usize,
w: usize,
s: (i64, i64),
t: (i64, i64),
board: [chars; h],
}
let ans = (s.0 - t.0).abs() + (s.1 - t.1).abs();
println!("{}", ans);
}
fn main() {
run();
}
akakimidori