結果

問題 No.3172 三角関数べき乗のフーリエ級数展開
ユーザー Moss_Local
提出日時 2025-06-06 22:37:21
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 30 ms / 2,000 ms
コード長 3,963 bytes
コンパイル時間 12,787 ms
コンパイル使用メモリ 378,792 KB
実行使用メモリ 7,844 KB
最終ジャッジ日時 2025-06-06 22:37:38
合計ジャッジ時間 14,188 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
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 * 4
other AC * 15
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: variable does not need to be mutable
   --> src/main.rs:109:9
    |
109 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`
    |
    = note: `#[warn(unused_mut)]` on by default

warning: variable does not need to be mutable
   --> src/main.rs:115:9
    |
115 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:120:9
    |
120 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:125:9
    |
125 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: function `UMOD_pow` should have a snake case name
   --> src/main.rs:130:4
    |
130 | fn UMOD_pow(mut a: usize, mut e: usize) -> usize {
    |    ^^^^^^^^ help: convert the identifier to snake case: `umod_pow`
    |
    = note: `#[warn(non_snake_case)]` on by default

ソースコード

diff # 

// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]

use std::cmp::*;
use std::collections::*;
use std::fmt::*;
use std::hash::*;
use std::io::BufRead;
use std::iter::FromIterator;
use std::*;

const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
const LINF: i64 = 2147483647;
const INF128: i128 = 1223372036854775807000000000000;
const MOD1: i64 = 1000000007;
const MOD9: i64 = 998244353;
const MOD: i64 = MOD9;
const UMOD: usize = MOD as usize;
const M_PI: f64 = 3.14159265358979323846;

macro_rules! p {
    ($x:expr) => {
        //if expr
        println!("{}", $x);
    };
}

macro_rules! vp {
    // vector print separate with space
    ($x:expr) => {
        println!(
            "{}",
            $x.iter()
                .map(|x| x.to_string())
                .collect::<Vec<_>>()
                .join(" ")
        );
    };
}

macro_rules! d {
    ($x:expr) => {
        eprintln!("{:?}", $x);
    };
}
macro_rules! yn {
    ($val:expr) => {
        if $val {
            println!("Yes");
        } else {
            println!("No");
        }
    };
}

macro_rules! map{
    // declear btreemap
    ($($key:expr => $val:expr),*) => {
        {
            let mut map = ::std::collections::BTreeMap::new();
            $(
                map.insert($key, $val);
            )*
            map
        }
    };
}

macro_rules! set{
    // declear btreemap
    ($($key:expr),*) => {
        {
            let mut set = ::std::collections::BTreeSet::new();
            $(
                set.insert($key);
            )*
            set
        }
    };
}

//input output
#[allow(dead_code)]
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()
}

#[allow(dead_code)]
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}

#[allow(dead_code)]
fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {
    (0..n).map(|_| read_vec()).collect()
}

#[allow(dead_code)]
fn readii() -> (i64, i64) {
    let mut vec: Vec<i64> = read_vec();
    (vec[0], vec[1])
}

#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
    let mut vec: Vec<i64> = read_vec();
    (vec[0], vec[1], vec[2])
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
    let mut vec: Vec<usize> = read_vec();
    (vec[0], vec[1])
}

fn readuuu() -> (usize, usize, usize) {
    let mut vec: Vec<usize> = read_vec();
    (vec[0], vec[1], vec[2])
}

// Computes a^e UMOD UMOD by binary exponentiation.
fn UMOD_pow(mut a: usize, mut e: usize) -> usize {
    let mut result = 1;
    a %= UMOD;
    while e > 0 {
        if e & 1 == 1 {
            result = result * a % UMOD;
        }
        a = a * a % UMOD;
        e >>= 1;
    }
    result
}

fn main() {
    let n = read::<usize>();
    let mut fac = vec![1; n + 1];
    for i in 1..=n {
        fac[i] = fac[i - 1] * i % UMOD;
    }
    let mut inv = vec![1; n + 1];
    inv[n] = UMOD_pow(fac[n], UMOD - 2);
    for i in (1..=n).rev() {
        inv[i - 1] = inv[i] * i % UMOD;
    }
    let comb = |n: usize, k: usize| -> usize {
        if k > n {
            0
        } else {
            fac[n] * (inv[k] * inv[n - k] % UMOD) % UMOD
        }
    };
    let mut out = Vec::with_capacity(n + 1);
    for k in 0..=n {
        let bk = if k == 0 {
            if n % 2 == 0 {
                comb(n, n / 2)
            } else {
                0
            }
        } else {
            if (k + n) % 2 == 0 {
                let j = (k + n) / 2;
                (2 * comb(n, j)) % UMOD
            } else {
                0
            }
        };
        out.push(bk);
    }
    for (i, v) in out.iter().enumerate() {
        if i > 0 {
            print!(" ");
        }
        print!("{}", v);
    }
    println!();
}
0