結果

問題 No.1620 Substring Sum
ユーザー ikd
提出日時 2021-07-22 23:00:48
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 7 ms / 2,000 ms
コード長 2,283 bytes
コンパイル時間 13,023 ms
コンパイル使用メモリ 385,040 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-07-17 19:34:35
合計ジャッジ時間 14,263 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 * 2
other AC * 20
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ソースコード

diff #
プレゼンテーションモードにする

//! # Bundled libraries
//!
//! - `procon_reader 0.1.0 (git+https://github.com/ia7ck/rust-competitive-programming#ed937ca54c1c4220ab9bc2901a6189b8d58a80a4)` licensed under 
    **missing** as `crate::__cargo_equip::crates::procon_reader`
pub use __cargo_equip::prelude::*;
use procon_reader::ProconReader;
fn main() {
    let stdin = std::io::stdin();
    let mut rd = ProconReader::new(stdin.lock());
    let s: Vec<char> = rd.get_chars();
    let n = s.len();
    let mo = 998244353;
    let mut p2 = vec![1];
    let mut p11 = vec![1];
    for i in 0..n {
        p2.push(p2[i] * 2 % mo);
        p11.push(p11[i] * 11 % mo);
    }
    let mut ans = 0;
    for i in 0..n {
        let x = s[i] as u64 - '0' as u64;
        ans = (ans + p2[i] * x % mo * p11[n - i - 1] % mo) % mo;
    }
    println!("{}", ans);
}
// The following code was expanded by `cargo-equip`.
#[rustfmt::skip]
#[allow(unused)]
mod __cargo_equip {
    pub(crate) mod crates {
        pub mod procon_reader {use std::io::BufRead;use std::str::FromStr;pub struct ProconReader<R>{r:R,l:String,i:usize,}impl<R:BufRead>ProconReader
            <R>{pub fn new(reader:R)->Self{Self{r:reader,l:String::new(),i:0,}}pub fn get<T>(&mut self)->T where T:FromStr,<T as FromStr>::Err:std
            ::fmt::Debug,{self.skip_blanks();assert!(self.i<self.l.len());assert_ne!(&self.l[self.i..=self.i]," ");let rest=&self.l[self.i..];let len
            =rest.find(' ').unwrap_or_else(| |rest.len());let val=rest[..len].parse().unwrap_or_else(|e|panic!("{:?}, attempt to read `{}`",e,rest
            ));self.i+=len;val}fn skip_blanks(&mut self){loop{match self.l[self.i..].find(|ch|ch!=' '){Some(j)=>{self.i+=j;break;}None=>{let mut buf
            =String::new();let num_bytes=self.r.read_line(&mut buf).unwrap_or_else(|_|panic!("invalid UTF-8"));assert!(num_bytes>0,"reached EOF :("
            );self.l=buf.trim_end_matches('\n').trim_end_matches('\r').to_string();self.i=0;}}}}pub fn get_vec<T>(&mut self,n:usize)->Vec<T>where T
            :FromStr,<T as FromStr>::Err:std::fmt::Debug,{(0..n).map(|_|self.get()).collect()}pub fn get_chars(&mut self)->Vec<char>{self.get::<String
            >().chars().collect()}}}
    }
    pub(crate) mod macros {
        pub mod procon_reader {}
    }
    pub(crate) mod prelude {pub use crate::__cargo_equip::crates::*;}
    mod preludes {
        pub mod procon_reader {}
    }
}
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