結果

問題 No.1741 Arrays and XOR Procedure
ユーザー nebocconebocco
提出日時 2021-11-17 13:11:26
言語 Rust
(1.77.0)
結果
AC  
実行時間 7 ms / 2,000 ms
コード長 6,718 bytes
コンパイル時間 1,016 ms
コンパイル使用メモリ 150,232 KB
実行使用メモリ 4,380 KB
最終ジャッジ日時 2023-08-25 00:08:59
合計ジャッジ時間 3,847 ms
ジャッジサーバーID
（参考情報） 		judge15 / judge14
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 1 ms
4,380 KB
testcase_01 AC 1 ms
4,376 KB
testcase_02 AC 1 ms
4,376 KB
testcase_03 AC 5 ms
4,376 KB
testcase_04 AC 1 ms
4,380 KB
testcase_05 AC 4 ms
4,380 KB
testcase_06 AC 7 ms
4,376 KB
testcase_07 AC 7 ms
4,380 KB
testcase_08 AC 4 ms
4,376 KB
testcase_09 AC 5 ms
4,376 KB
testcase_10 AC 6 ms
4,376 KB
testcase_11 AC 4 ms
4,380 KB
testcase_12 AC 4 ms
4,380 KB
testcase_13 AC 4 ms
4,376 KB
testcase_14 AC 5 ms
4,376 KB
testcase_15 AC 5 ms
4,376 KB
testcase_16 AC 1 ms
4,376 KB
testcase_17 AC 3 ms
4,376 KB
testcase_18 AC 4 ms
4,376 KB
testcase_19 AC 1 ms
4,376 KB
testcase_20 AC 6 ms
4,380 KB
testcase_21 AC 5 ms
4,380 KB
testcase_22 AC 4 ms
4,376 KB
testcase_23 AC 2 ms
4,376 KB
testcase_24 AC 1 ms
4,376 KB
testcase_25 AC 6 ms
4,376 KB
testcase_26 AC 3 ms
4,380 KB
testcase_27 AC 1 ms
4,376 KB
testcase_28 AC 5 ms
4,380 KB
testcase_29 AC 5 ms
4,376 KB
testcase_30 AC 5 ms
4,380 KB
testcase_31 AC 1 ms
4,376 KB
testcase_32 AC 3 ms
4,376 KB
testcase_33 AC 4 ms
4,376 KB
testcase_34 AC 2 ms
4,376 KB
testcase_35 AC 1 ms
4,376 KB
testcase_36 AC 2 ms
4,380 KB
testcase_37 AC 3 ms
4,376 KB
testcase_38 AC 6 ms
4,380 KB
testcase_39 AC 3 ms
4,380 KB
testcase_40 AC 1 ms
4,376 KB
testcase_41 AC 2 ms
4,380 KB
testcase_42 AC 1 ms
4,380 KB
testcase_43 AC 1 ms
4,376 KB
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ソースコード

diff # 

fn main() {
    let mut io = IO::new();
    input!{ from io,
        n: usize,
        a: [i32; n]
    }
    const MOD: i64 = 998_244_353;
    let mut ans = 1;
    let mut cur = 0;
    let mut eff = false;
    for i in 0..n {
        if (n - 1) & i == i {
            if a[i] == 1 {
                cur ^= 1;
            } else if a[i] == -1 {
                if eff {
                    ans *= 2;
                    if ans > MOD {
                        ans -= MOD;
                    }
                } else {
                    eff = true;
                }
            }
        } else if a[i] == -1 {
            ans *= 2;
            if ans > MOD {
                ans -= MOD;
            }
        }
    }
    if !eff && cur == 0 {
        ans = 0;
    }
    io.println(ans);
}

// ------------ io module start ------------
use std::io::{stdout, BufWriter, Read, StdoutLock, Write};

pub struct IO {
    iter: std::str::SplitAsciiWhitespace<'static>,
    buf: BufWriter<StdoutLock<'static>>,
}

impl IO {
    pub fn new() -> Self {
        let mut input = String::new();
        std::io::stdin().read_to_string(&mut input).unwrap();
        let input = Box::leak(input.into_boxed_str());
        let out = Box::new(stdout());
        IO {
            iter: input.split_ascii_whitespace(),
            buf: BufWriter::new(Box::leak(out).lock()),
        }
    }
    fn scan_str(&mut self) -> &'static str {
        self.iter.next().unwrap()
    }
    pub fn scan<T: Scan>(&mut self) -> <T as Scan>::Output {
        <T as Scan>::scan(self)
    }
    pub fn scan_vec<T: Scan>(&mut self, n: usize) -> Vec<<T as Scan>::Output> {
        (0..n).map(|_| self.scan::<T>()).collect()
    }
    pub fn print<T: Print>(&mut self, x: T) {
        <T as Print>::print(self, x);
    }
    pub fn println<T: Print>(&mut self, x: T) {
        self.print(x);
        self.print("\n");
    }
    pub fn iterln<T: Print, I: IntoIterator<Item = T>>(&mut self, iter: I, delim: &str) {
        let mut iter = iter.into_iter();
        if let Some(v) = iter.next() {
            self.print(v);
            for v in iter {
                self.print(delim);
                self.print(v);
            }
        }
        self.print("\n");
    }
    pub fn flush(&mut self) {
        self.buf.flush().unwrap();
    }
}

impl Default for IO {
    fn default() -> Self {
        Self::new()
    }
}

pub trait Scan {
    type Output;
    fn scan(io: &mut IO) -> Self::Output;
}

macro_rules! impl_scan {
    ($($t:tt),*) => {
        $(
            impl Scan for $t {
                type Output = Self;
                fn scan(s: &mut IO) -> Self::Output {
                    s.scan_str().parse().unwrap()
                }
            }
        )*
    };
}

impl_scan!(i16, i32, i64, isize, u16, u32, u64, usize, String, f32, f64);

impl Scan for char {
    type Output = char;
    fn scan(s: &mut IO) -> Self::Output {
        s.scan_str().chars().next().unwrap()
    }
}

pub enum Bytes {}
impl Scan for Bytes {
    type Output = &'static [u8];
    fn scan(s: &mut IO) -> Self::Output {
        s.scan_str().as_bytes()
    }
}

pub enum Chars {}
impl Scan for Chars {
    type Output = Vec<char>;
    fn scan(s: &mut IO) -> Self::Output {
        s.scan_str().chars().collect()
    }
}

pub enum Usize1 {}
impl Scan for Usize1 {
    type Output = usize;
    fn scan(s: &mut IO) -> Self::Output {
        s.scan::<usize>().wrapping_sub(1)
    }
}

impl<T: Scan, U: Scan> Scan for (T, U) {
    type Output = (T::Output, U::Output);
    fn scan(s: &mut IO) -> Self::Output {
        (T::scan(s), U::scan(s))
    }
}

impl<T: Scan, U: Scan, V: Scan> Scan for (T, U, V) {
    type Output = (T::Output, U::Output, V::Output);
    fn scan(s: &mut IO) -> Self::Output {
        (T::scan(s), U::scan(s), V::scan(s))
    }
}

impl<T: Scan, U: Scan, V: Scan, W: Scan> Scan for (T, U, V, W) {
    type Output = (T::Output, U::Output, V::Output, W::Output);
    fn scan(s: &mut IO) -> Self::Output {
        (T::scan(s), U::scan(s), V::scan(s), W::scan(s))
    }
}

pub trait Print {
    fn print(w: &mut IO, x: Self);
}

macro_rules! impl_print_int {
    ($($t:ty),*) => {
        $(
            impl Print for $t {
                fn print(w: &mut IO, x: Self) {
                    w.buf.write_all(x.to_string().as_bytes()).unwrap();
                }
            }
        )*
    };
}

impl_print_int!(i16, i32, i64, isize, u16, u32, u64, usize, f32, f64);

impl Print for u8 {
    fn print(w: &mut IO, x: Self) {
        w.buf.write_all(&[x]).unwrap();
    }
}

impl Print for &[u8] {
    fn print(w: &mut IO, x: Self) {
        w.buf.write_all(x).unwrap();
    }
}

impl Print for &str {
    fn print(w: &mut IO, x: Self) {
        w.print(x.as_bytes());
    }
}

impl Print for String {
    fn print(w: &mut IO, x: Self) {
        w.print(x.as_bytes());
    }
}

impl<T: Print + Copy> Print for &T {
    fn print(w: &mut IO, x: Self) {
        w.print(*x);
    }
}

impl<T: Print, U: Print> Print for (T, U) {
    fn print(w: &mut IO, (x, y): Self) {
        w.print(x);
        w.print(" ");
        w.print(y);
    }
}

impl<T: Print, U: Print, V: Print> Print for (T, U, V) {
    fn print(w: &mut IO, (x, y, z): Self) {
        w.print(x);
        w.print(" ");
        w.print(y);
        w.print(" ");
        w.print(z);
    }
}

pub mod neboccoio_macro {
    #[macro_export]
    macro_rules! input {
        (@start $io:tt @read @rest) => {};

        (@start $io:tt @read @rest, $($rest: tt)*) => {
            input!(@start $io @read @rest $($rest)*)
        };

        (@start $io:tt @read @rest mut $($rest:tt)*) => {
            input!(@start $io @read @mut [mut] @rest $($rest)*)
        };

        (@start $io:tt @read @rest $($rest:tt)*) => {
            input!(@start $io @read @mut [] @rest $($rest)*)
        };

        (@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: [[$kind:tt; $len2: expr]; $len1:expr] $($rest:tt)*) => {
            let $($mut)* $var = (0..$len1).map(|_| $io.scan_vec::<$kind>($len2)).collect::<<$kind as Scan>::Output>();
            input!(@start $io @read @rest $($rest)*)
        };

        (@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: [$kind:tt; $len:expr] $($rest:tt)*) => {
            let $($mut)* $var = $io.scan_vec::<$kind>($len);
            input!(@start $io @read @rest $($rest)*)
        };

        (@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: $kind:tt $($rest:tt)*) => {
            let $($mut)* $var = $io.scan::<$kind>();
            input!(@start $io @read @rest $($rest)*)
        };

        (from $io:tt $($rest:tt)*) => {
            input!(@start $io @read @rest $($rest)*)
        };
    }
}

// ------------ io module end ------------
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