#615589 (Rust) No.1113 二つの整数 / Two Integers

• 問題: No.1113 二つの整数 / Two Integers
• ユーザー: manta1130
• 提出日時: 2021-02-09 21:47:12
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 1 ms / 1,000 ms
• コード長: 5,043 bytes
• コンパイル時間: 15,840 ms
• コンパイル使用メモリ: 401,624 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-07-07 03:44:10
• 合計ジャッジ時間: 11,972 ms
• ジャッジサーバーID （参考情報）: judge4 / judge5

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	0 ms; 6,816 KB
testcase_01	AC	1 ms; 6,812 KB
testcase_02	AC	1 ms; 6,812 KB
testcase_03	AC	0 ms; 6,940 KB
testcase_04	AC	1 ms; 6,940 KB
testcase_05	AC	1 ms; 6,940 KB
testcase_06	AC	1 ms; 6,944 KB
testcase_07	AC	0 ms; 6,944 KB
testcase_08	AC	1 ms; 6,940 KB
testcase_09	AC	1 ms; 6,940 KB
testcase_10	AC	1 ms; 6,944 KB
testcase_11	AC	1 ms; 6,940 KB
testcase_12	AC	1 ms; 6,940 KB
testcase_13	AC	1 ms; 6,940 KB
testcase_14	AC	1 ms; 6,944 KB
testcase_15	AC	1 ms; 6,940 KB
testcase_16	AC	1 ms; 6,944 KB

コンパイルメッセージ

warning: unused attribute `macro_export`
  --> src/main.rs:57:5
   |
57 |     #[macro_export]
   |     ^^^^^^^^^^^^^^^
   |
note: the built-in attribute `macro_export` will be ignored, since it's applied to the macro invocation `thread_local`
  --> src/main.rs:58:5
   |
58 |     thread_local! {
   |     ^^^^^^^^^^^^
   = note: `#[warn(unused_attributes)]` on by default

warning: unused variable: `out`
  --> src/main.rs:20:13
   |
20 |     let mut out = BufWriter::new(out.lock());
   |             ^^^ help: if this is intentional, prefix it with an underscore: `_out`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: variable does not need to be mutable
  --> src/main.rs:20:9
   |
20 |     let mut out = BufWriter::new(out.lock());
   |         ----^^^
   |         |
   |         help: remove this `mut`
   |
   = note: `#[warn(unused_mut)]` on by default

ソースコード

#[allow(unused_imports)]
use std::io::{stdout, BufWriter, Write};

fn gcd<T>(a: T, b: T) -> T
where
    T: std::ops::Add<Output = T>
        + std::ops::Rem<Output = T>
        + std::ops::Div<Output = T>
        + std::cmp::PartialEq
        + Copy,
{
    if b + b == b {
        return a;
    }
    gcd(b, a % b)
}

fn main() {
    let out = stdout();
    let mut out = BufWriter::new(out.lock());

    inputv! {
        a:u128,b:u128
    }
    let g = gcd(a, b);
    if g == 1 {
        println!("Odd");
        return;
    }
    let mut ng = 0;
    let mut ok = g;
    while ok - ng > 1 {
        let mid = (ok + ng) / 2;
        if mid * mid <= g {
            ng = mid;
        } else {
            ok = mid;
        }
    }
    if ng * ng == g {
        println!("Odd");
    } else {
        println!("Even");
    }
}

//https://github.com/manta1130/competitive-template-rs

use input::*;

pub mod input {
    use std::cell::RefCell;
    use std::io;
    pub const SPLIT_DELIMITER: char = ' ';
    pub use std::io::prelude::*;

    #[macro_export]
    thread_local! {
        pub static INPUT_BUFFER:RefCell<std::collections::VecDeque<String>>=RefCell::new(std::collections::VecDeque::new());
    }

    #[macro_export]
    macro_rules! input_internal {
        ($x:ident : $t:ty) => {
            INPUT_BUFFER.with(|p| {
                if p.borrow().len() == 0 {
                    let temp_str = input_line_str();
                    let mut split_result_iter = temp_str
                        .split(SPLIT_DELIMITER)
                        .map(|q| q.to_string())
                        .collect::<std::collections::VecDeque<_>>();
                    p.borrow_mut().append(&mut split_result_iter)
                }
            });
            let mut buf_split_result = String::new();
            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());
            let $x: $t = buf_split_result.parse().unwrap();
        };
        (mut $x:ident : $t:ty) => {
            INPUT_BUFFER.with(|p| {
                if p.borrow().len() == 0 {
                    let temp_str = input_line_str();
                    let mut split_result_iter = temp_str
                        .split(SPLIT_DELIMITER)
                        .map(|q| q.to_string())
                        .collect::<std::collections::VecDeque<_>>();
                    p.borrow_mut().append(&mut split_result_iter)
                }
            });
            let mut buf_split_result = String::new();
            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());
            let mut $x: $t = buf_split_result.parse().unwrap();
        };
    }

    #[macro_export]
    macro_rules! inputv {
    ($i:ident : $t:ty) => {
        input_internal!{$i : $t}
    };
    (mut $i:ident : $t:ty) => {
        input_internal!{mut $i : $t}
    };
    ($i:ident : $t:ty $(,)*) => {
            input_internal!{$i : $t}
    };
    (mut $i:ident : $t:ty $(,)*) => {
            input_internal!{mut $i : $t}
    };
    (mut $i:ident : $t:ty,$($q:tt)*) => {
            input_internal!{mut $i : $t}
            inputv!{$($q)*}
    };
    ($i:ident : $t:ty,$($q:tt)*) => {
            input_internal!{$i : $t}
            inputv!{$($q)*}
    };
}

    pub fn input_all() {
        INPUT_BUFFER.with(|p| {
            if p.borrow().len() == 0 {
                let mut temp_str = String::new();
                std::io::stdin().read_to_string(&mut temp_str).unwrap();
                let mut split_result_iter = temp_str
                    .split_whitespace()
                    .map(|q| q.to_string())
                    .collect::<std::collections::VecDeque<_>>();
                p.borrow_mut().append(&mut split_result_iter)
            }
        });
    }

    pub fn input_line_str() -> String {
        let mut s = String::new();
        io::stdin().read_line(&mut s).unwrap();
        s.trim().to_string()
    }

    #[allow(clippy::match_wild_err_arm)]
    pub fn input_vector<T>() -> Vec<T>
    where
        T: std::str::FromStr,
    {
        let mut v: Vec<T> = Vec::new();

        let s = input_line_str();
        let split_result = s.split(SPLIT_DELIMITER);
        for z in split_result {
            let buf = match z.parse() {
                Ok(r) => r,
                Err(_) => panic!("Parse Error",),
            };
            v.push(buf);
        }
        v
    }

    #[allow(clippy::match_wild_err_arm)]
    pub fn input_vector_row<T>(n: usize) -> Vec<T>
    where
        T: std::str::FromStr,
    {
        let mut v = Vec::with_capacity(n);
        for _ in 0..n {
            let buf = match input_line_str().parse() {
                Ok(r) => r,
                Err(_) => panic!("Parse Error",),
            };
            v.push(buf);
        }
        v
    }

    pub trait ToCharVec {
        fn to_charvec(&self) -> Vec<char>;
    }

    impl ToCharVec for String {
        fn to_charvec(&self) -> Vec<char> {
            self.to_string().chars().collect::<Vec<_>>()
        }
    }
}