結果
| 問題 |
No.1620 Substring Sum
|
| コンテスト | |
| 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 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 20 |
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 {}
}
}
ikd