#682065 (Rust) No.1620 Substring Sum

• 問題: No.1620 Substring Sum
• ユーザー: ikd
• 提出日時: 2021-07-22 23:00:48
• 言語: Rust (1.77.0 + 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

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 6,816 KB
testcase_01	AC	1 ms; 6,940 KB
testcase_02	AC	1 ms; 6,940 KB
testcase_03	AC	1 ms; 6,940 KB
testcase_04	AC	7 ms; 6,940 KB
testcase_05	AC	7 ms; 6,940 KB
testcase_06	AC	7 ms; 6,944 KB
testcase_07	AC	7 ms; 6,944 KB
testcase_08	AC	7 ms; 6,944 KB
testcase_09	AC	6 ms; 6,940 KB
testcase_10	AC	7 ms; 6,944 KB
testcase_11	AC	7 ms; 6,944 KB
testcase_12	AC	3 ms; 6,944 KB
testcase_13	AC	6 ms; 6,944 KB
testcase_14	AC	6 ms; 6,940 KB
testcase_15	AC	6 ms; 6,940 KB
testcase_16	AC	5 ms; 6,940 KB
testcase_17	AC	6 ms; 6,944 KB
testcase_18	AC	1 ms; 6,944 KB
testcase_19	AC	1 ms; 6,944 KB
testcase_20	AC	7 ms; 6,944 KB
testcase_21	AC	7 ms; 6,944 KB

ソースコード

//! # 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 {}
    }
}