結果
問題 |
No.930 数列圧縮
|
ユーザー |
![]() |
提出日時 | 2019-11-22 23:20:06 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 19 ms / 2,000 ms |
コード長 | 2,391 bytes |
コンパイル時間 | 13,066 ms |
コンパイル使用メモリ | 388,308 KB |
実行使用メモリ | 9,488 KB |
最終ジャッジ日時 | 2024-10-11 04:56:29 |
合計ジャッジ時間 | 15,656 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 24 |
ソースコード
#![allow(unused_imports)] #![allow(non_snake_case)] use std::cmp::*; use std::collections::*; use std::io::Write; #[allow(unused_macros)] macro_rules! debug { ($($e:expr),*) => { #[cfg(debug_assertions)] $({ let (e, mut err) = (stringify!($e), std::io::stderr()); writeln!(err, "{} = {:?}", e, $e).unwrap() })* }; } fn main() { let n = read::<usize>(); let mut v = read_vec::<usize>(); if v[0] > v[v.len() - 1] { println!("No"); return; } println!("Yes"); let mut prev_pointer = 1; let mut next_pointer = 2; let mut answers = vec![]; while next_pointer < n - 1 { if prev_pointer >= next_pointer { next_pointer += 1; continue; } if v[prev_pointer] == 0 { prev_pointer += 1; continue; } if v[next_pointer] == 0 { next_pointer += 1; continue; } if v[prev_pointer] < v[next_pointer] { answers.push(v[next_pointer]); v[next_pointer] = 0; next_pointer += 1; } else { prev_pointer += 1; } } debug!(v); let mut pointer = 1; while pointer < n - 1 { if v[pointer] == 0 { pointer += 1; continue; } if v[pointer] < v[0] { break; } answers.push(v[pointer]); v[pointer] = 0; pointer += 1; } let mut pointer = n - 2; while pointer > 0 { if v[pointer] == 0 { pointer -= 1; continue; } if v[pointer] > v[n - 1] { break; } answers.push(v[pointer]); v[pointer] = 0; pointer -= 1; } debug!(v); answers.push(v[0]); print_array(&answers); } fn print_array<T: std::string::ToString>(array: &Vec<T>) { println!( "{}", array .iter() .map(|ref x| x.to_string()) .collect::<Vec<_>>() .join(" ") ); } 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() } fn read_vec<T: std::str::FromStr>() -> Vec<T> { read::<String>() .split_whitespace() .map(|e| e.parse().ok().unwrap()) .collect() }