結果

問題 No.601 Midpoint Erase
コンテスト
ユーザー aimy
提出日時 2017-12-01 08:58:41
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 20 ms / 2,000 ms
コード長 2,546 bytes
コンパイル時間 14,939 ms
コンパイル使用メモリ 379,044 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-12-23 03:18:33
合計ジャッジ時間 16,620 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 23
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:23:9
   |
23 |     buf.trim_right().parse::<T>().ok().unwrap()
   |         ^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default
help: replace the use of the deprecated method
   |
23 |     buf.trim_end().parse::<T>().ok().unwrap()
   |         ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:38:22
   |
38 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
38 |     let mut it = buf.trim_end().split_whitespace();
   |                      ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:56:22
   |
56 |     let mut it = buf.trim_right().split_whitespace();
   |                      ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
56 |     let mut it = buf.trim_end().split_whitespace();
   |                      ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:75:9
   |
75 |     buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
75 |     buf.trim_end().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
   |         ~~~~~~~~

warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
  --> src/main.rs:90:9
   |
90 |     buf.trim_right().chars().collect()
   |         ^^^^^^^^^^
   |
help: replace the use of the deprecated method
   |
90 |     buf.trim_end().chars().collect()
   |         ~~~~~~~~

ソースコード

diff # 

fn main() {
  let n = get::val::<usize>();
  let xys = get::tuples::<usize,usize>(n);
  
  let oo = xys.iter().filter(|&&(x,y)|x%2==1&&y%2==1).count();
  let oe = xys.iter().filter(|&&(x,y)|x%2==1&&y%2==0).count();
  let eo = xys.iter().filter(|&&(x,y)|x%2==0&&y%2==1).count();
  let ee = xys.iter().filter(|&&(x,y)|x%2==0&&y%2==0).count();
  
  let ans = if ((oo/2*2 + oe/2*2 + eo/2*2 + ee/2*2) / 2) % 2 == 0 {"Bob"} else {"Alice"};
  println!("{}", ans)
}

#[allow(dead_code)]
mod get {
  use std::io::*;
  use std::str::*;

  pub fn val<T: FromStr>() -> T {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    buf.trim_right().parse::<T>().ok().unwrap()
  }

  pub fn vals<T: FromStr>(n: usize) -> Vec<T> {
    let mut vec: Vec<T> = vec![];
    for _ in 0 .. n {
      vec.push(val());
    }
    vec
  }

  pub fn tuple<T1: FromStr, T2: FromStr>() -> (T1, T2) {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    let mut it = buf.trim_right().split_whitespace();
    let x = it.next().unwrap().parse::<T1>().ok().unwrap();
    let y = it.next().unwrap().parse::<T2>().ok().unwrap();
    (x, y)
  }

  pub fn tuples<T1: FromStr, T2: FromStr>(n: usize) -> Vec<(T1, T2)> {
    let mut vec: Vec<(T1, T2)> = vec![];
    for _ in 0 .. n {
      vec.push(tuple());
    }
    vec
  }

  pub fn tuple3<T1: FromStr, T2: FromStr, T3: FromStr>() -> (T1, T2, T3) {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    let mut it = buf.trim_right().split_whitespace();
    let x = it.next().unwrap().parse::<T1>().ok().unwrap();
    let y = it.next().unwrap().parse::<T2>().ok().unwrap();
    let z = it.next().unwrap().parse::<T3>().ok().unwrap();
    (x, y, z)
  }

  pub fn tuple3s<T1: FromStr, T2: FromStr, T3: FromStr>(n: usize) -> Vec<(T1, T2, T3)> {
    let mut vec: Vec<(T1, T2, T3)> = vec![];
    for _ in 0 .. n {
      vec.push(tuple3());
    }
    vec
  }

  pub fn list<T: FromStr>() -> Vec<T> {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect()
  }

  pub fn lists<T: FromStr>(h: usize) -> Vec<Vec<T>> {
    let mut mat: Vec<Vec<T>> = vec![];
    for _ in 0 .. h {
      mat.push(list());
    }
    mat
  }

  pub fn chars() -> Vec<char> {
    let mut buf = String::new();
    let s = stdin();
    s.lock().read_line(&mut buf).ok();
    buf.trim_right().chars().collect()
  }
}
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