結果
問題 | No.8078 Very Simple Traveling Salesman Problem |
ユーザー | Hideyuki Tanaka |
提出日時 | 2021-04-01 22:04:58 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 21 ms / 2,000 ms |
コード長 | 1,546 bytes |
コンパイル時間 | 13,051 ms |
コンパイル使用メモリ | 402,588 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-12-21 06:23:27 |
合計ジャッジ時間 | 14,276 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 10 |
コンパイルメッセージ
warning: unused imports: `max`, `min` --> src/main.rs:60:16 | 60 | use std::cmp::{max, min}; | ^^^ ^^^ | = note: `#[warn(unused_imports)]` on by default warning: unused variable: `es` --> src/main.rs:73:9 | 73 | es: [(i64, i64, i64); m], | ^^ | help: `es` is captured in macro and introduced a unused variable --> src/main.rs:33:13 | 33 | let $var = read_value!($sc, $t); | ^^^^ ... 70 | / input! { 71 | | sc, 72 | | n: usize, m: usize, 73 | | es: [(i64, i64, i64); m], 74 | | } | |_____- in this macro invocation = note: `#[warn(unused_variables)]` on by default = note: this warning originates in the macro `input_inner` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
ソースコード
struct Scanner { bytes: std::io::Bytes<std::io::BufReader<std::io::Stdin>>, } impl Scanner { fn new() -> Self { Self { bytes: std::io::Read::bytes(std::io::BufReader::new(std::io::stdin())), } } fn next(&mut self) -> String { self.bytes .by_ref() .map(|r| r.unwrap() as char) .skip_while(|c| c.is_whitespace()) .take_while(|c| !c.is_whitespace()) .collect() } } macro_rules! input { ($sc:expr, $($r:tt)*) => { input_inner!{$sc, $($r)*} }; } macro_rules! input_inner { ($sc:expr) => {}; ($sc:expr, ) => {}; ($sc:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($sc, $t); input_inner!{$sc $($r)*} }; } macro_rules! read_value { ($sc:expr, ( $($t:tt),* )) => { ( $(read_value!($sc, $t)),* ) }; ($sc:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($sc, $t)).collect::<Vec<_>>() }; ($sc:expr, Chars) => { read_value!($sc, String).chars().collect::<Vec<char>>() }; ($sc:expr, Usize1) => { read_value!($sc, usize) - 1 }; ($sc:expr, $t:ty) => { $sc.next().parse::<$t>().expect("Parse error") }; } use std::cmp::{max, min}; fn main() { let mut sc = Scanner::new(); let ans = solve(&mut sc); println!("{}", ans); } fn solve(sc: &mut Scanner) -> usize { input! { sc, n: usize, m: usize, es: [(i64, i64, i64); m], } n }