結果

問題 No.1629 Sorting Integers (SUM of M)
ユーザー Strorkis
提出日時 2021-07-30 21:52:07
言語 Rust
(1.83.0 + proconio)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 6,572 bytes
コンパイル時間 12,891 ms
コンパイル使用メモリ 388,256 KB
最終ジャッジ日時 2024-11-15 01:33:40
合計ジャッジ時間 13,658 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
error: format argument must be a string literal
  --> src/main.rs:10:34
   |
10 |                 Err(e) => panic!(e), 
   |                                  ^
   |
help: you might be missing a string literal to format with
   |
10 |                 Err(e) => panic!("{}", e), 
   |                                  +++++

error: could not compile `main` (bin "main") due to 1 previous error

ソースコード

diff #
プレゼンテーションモードにする

pub mod io {
use std::io::{BufRead, ErrorKind};
pub fn scan<R: BufRead>(r: &mut R) -> Vec<u8> {
let mut res = Vec::new();
loop {
let buf = match r.fill_buf() {
Ok(buf) => buf,
Err(e) if e.kind() == ErrorKind::Interrupted => continue,
Err(e) => panic!(e),
};
let (done, used, buf) = {
match buf.iter().position(u8::is_ascii_whitespace) {
Some(i) => (i > 0 || res.len() > 0, i + 1, &buf[..i]),
None => (buf.is_empty(), buf.len(), buf),
}
};
res.extend_from_slice(buf);
r.consume(used);
if done { return res; }
}
}
#[macro_export]
macro_rules! scan {
($r:expr, [$t:tt; $n:expr]) => {
(0..$n).map(|_| scan!($r, $t)).collect::<Vec<_>>()
};
($r:expr, [$t:tt]) => {
scan!($r, [$t; scan!($r, usize)])
};
($r:expr, ($($t:tt),*)) => {
($(scan!($r, $t)),*)
};
($r:expr, Usize1) => {
scan!($r, usize) - 1
};
($r:expr, Bytes) => {
io::scan($r)
};
($r:expr, String) => {
String::from_utf8(scan!($r, Bytes)).unwrap()
};
($r:expr, $t:ty) => {
scan!($r, String).parse::<$t>().unwrap()
};
}
#[macro_export]
macro_rules! input {
($r:expr, $($($v:ident)* : $t:tt),* $(,)?) => {
$(let $($v)* = scan!($r, $t);)*
};
}
}
pub mod mod_int {
use std::fmt;
use std::ops::*;
#[derive(Clone, Copy, Debug)]
pub struct ModInt(u64);
impl ModInt {
const MOD: u64 = 1_000_000_007;
pub fn new(mut x: u64) -> Self {
if x >= Self::MOD {
x %= Self::MOD;
}
Self(x)
}
pub fn zero() -> Self {
Self(0)
}
pub fn one() -> Self {
Self(1)
}
}
impl From<usize> for ModInt {
fn from(x: usize) -> Self {
Self::new(x as u64)
}
}
impl From<i64> for ModInt {
fn from(mut x: i64) -> Self {
let m = Self::MOD as i64;
if x.abs() >= m {
x %= m;
}
if x < 0 {
x += m
}
Self::new(x as u64)
}
}
impl Add for ModInt {
type Output = Self;
fn add(self, other: Self) -> Self {
let mut x = self.0 + other.0;
if x >= Self::MOD {
x -= Self::MOD;
}
Self(x)
}
}
impl AddAssign for ModInt {
fn add_assign(&mut self, other: Self) {
*self = *self + other;
}
}
impl Sub for ModInt {
type Output = Self;
fn sub(mut self, other: Self) -> Self {
if self.0 < other.0 {
self.0 += Self::MOD;
}
Self(self.0 - other.0)
}
}
impl SubAssign for ModInt {
fn sub_assign(&mut self, other: Self) {
*self = *self - other;
}
}
impl Mul for ModInt {
type Output = Self;
fn mul(self, other: Self) -> Self {
Self::new(self.0 * other.0)
}
}
impl MulAssign for ModInt {
fn mul_assign(&mut self, other: Self) {
*self = *self * other;
}
}
impl fmt::Display for ModInt {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
impl ModInt {
pub fn pow(mut self, mut n: u64) -> Self {
let mut res = Self::one();
while n > 0 {
if n & 1 == 1 {
res *= self;
}
self *= self;
n >>= 1;
}
res
}
pub fn inv(self) -> Self {
self.pow(Self::MOD - 2)
}
}
}
pub mod combination {
use super::mod_int::ModInt;
pub struct Combination {
fact: Vec<ModInt>,
inv_fact: Vec<ModInt>,
inv: Vec<ModInt>,
}
impl Combination {
pub fn new(n: usize) -> Combination {
let mut fact = vec![ModInt::zero(); n + 1];
let mut inv_fact = vec![ModInt::zero(); n + 1];
let mut inv = vec![ModInt::zero(); n + 1];
fact[0] = ModInt::one();
for i in 1..=n {
fact[i] = fact[i - 1] * ModInt::from(i);
}
inv_fact[n] = fact[n].inv();
for i in (0..n).rev() {
inv_fact[i] = inv_fact[i + 1] * ModInt::from(i + 1);
}
for i in 1..=n {
inv[i] = inv_fact[i] * fact[i - 1];
}
Combination {
fact,
inv_fact,
inv,
}
}
pub fn fact(&self, i: usize) -> ModInt {
self.fact[i]
}
pub fn inv_fact(&self, i: usize) -> ModInt {
self.inv_fact[i]
}
pub fn inv(&self, i: usize) -> ModInt {
self.inv[i]
}
pub fn p(&self, n: usize, r: usize) -> ModInt {
if n < r {
ModInt::zero()
} else {
self.fact[n] * self.inv_fact[n - r]
}
}
pub fn c(&self, n: usize, r: usize) -> ModInt {
if n < r {
ModInt::zero()
} else {
self.fact[n] * self.inv_fact[n - r] * self.inv_fact[r]
}
}
}
}
use mod_int::ModInt;
use combination::Combination;
fn run<R: std::io::BufRead, W: std::io::Write>(reader: &mut R, writer: &mut W) {
input! {
reader,
n: usize,
c: [usize; 9],
}
let comb = Combination::new(n);
let mut sum = ModInt::zero();
let mut p = ModInt::new(1);
for _ in 1..=n {
for (i, c) in c.iter().enumerate() {
sum += ModInt::from(i + 1) * p * ModInt::from(*c)
}
p *= ModInt::new(10);
}
let ans = sum * comb.fact(n - 1) * c.iter().fold(ModInt::one(), |acc, c| acc * comb.inv_fact(*c));
writeln!(writer, "{}", ans).ok();
}
fn main() {
let (stdin, stdout) = (std::io::stdin(), std::io::stdout());
let ref mut reader = std::io::BufReader::new(stdin.lock());
let ref mut writer = std::io::BufWriter::new(stdout.lock());
run(reader, writer);
}
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