#650067 (Rust) No.1471 Sort Queries

• 問題: No.1471 Sort Queries
• ユーザー: mai
• 提出日時: 2021-04-21 22:29:26
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 19 ms / 2,000 ms
• コード長: 1,475 bytes
• コンパイル時間: 13,258 ms
• コンパイル使用メモリ: 401,452 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-07-04 06:05:04
• 合計ジャッジ時間: 13,919 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	0 ms; 5,248 KB
testcase_01	AC	1 ms; 5,248 KB
testcase_02	AC	1 ms; 5,248 KB
testcase_03	AC	1 ms; 5,248 KB
testcase_04	AC	1 ms; 5,376 KB
testcase_05	AC	1 ms; 5,376 KB
testcase_06	AC	1 ms; 5,376 KB
testcase_07	AC	0 ms; 5,376 KB
testcase_08	AC	1 ms; 5,376 KB
testcase_09	AC	1 ms; 5,376 KB
testcase_10	AC	1 ms; 5,376 KB
testcase_11	AC	1 ms; 5,376 KB
testcase_12	AC	1 ms; 5,376 KB
testcase_13	AC	5 ms; 5,376 KB
testcase_14	AC	4 ms; 5,376 KB
testcase_15	AC	8 ms; 5,376 KB
testcase_16	AC	6 ms; 5,376 KB
testcase_17	AC	4 ms; 5,376 KB
testcase_18	AC	4 ms; 5,376 KB
testcase_19	AC	6 ms; 5,376 KB
testcase_20	AC	8 ms; 5,376 KB
testcase_21	AC	5 ms; 5,376 KB
testcase_22	AC	4 ms; 5,376 KB
testcase_23	AC	11 ms; 5,376 KB
testcase_24	AC	10 ms; 5,376 KB
testcase_25	AC	15 ms; 5,376 KB
testcase_26	AC	11 ms; 5,376 KB
testcase_27	AC	12 ms; 5,376 KB
testcase_28	AC	12 ms; 5,376 KB
testcase_29	AC	11 ms; 5,376 KB
testcase_30	AC	10 ms; 5,376 KB
testcase_31	AC	16 ms; 5,376 KB
testcase_32	AC	18 ms; 5,376 KB
testcase_33	AC	19 ms; 5,376 KB
testcase_34	AC	19 ms; 5,376 KB
testcase_35	AC	19 ms; 5,376 KB
testcase_36	AC	18 ms; 5,376 KB
testcase_37	AC	17 ms; 5,376 KB
testcase_38	AC	17 ms; 5,376 KB
testcase_39	AC	18 ms; 5,376 KB

コンパイルメッセージ

warning: unused import: `collections::*`
 --> src/main.rs:1:11
  |
1 | use std::{collections::*, io::Read};
  |           ^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

ソースコード

use std::{collections::*, io::Read};

fn take_token<R: std::io::BufRead>(cin: &mut R) -> String {
    cin.bytes()
        .map(|c| c.unwrap() as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect::<String>()
}
#[allow(unused)]
macro_rules! scan {
    ($io:expr => $t:ty) => (take_token(&mut $io).parse::<$t>().unwrap());
    ($io:expr => $t:tt * $n:expr) => ((0..$n).map(|_| scan!($io => $t)).collect::<Vec<_>>());
    ($io:expr => $($t:tt),*) => (($(scan!($io => $t)),*));
    ($io:expr => $($t:tt),* * $n:expr) => ((0..$n).map(|_| ($(scan!($io => $t)),*)).collect::<Vec<_>>());
}

fn main() {
    solve(std::io::stdin().lock())
}

fn solve<R: std::io::BufRead>(mut cin: R) {
    let (n, q) = scan!(cin => i32, i32);
    let s = scan!(cin => String);
    let mut totals = vec![vec![0; (n + 1) as usize]; 27];
    for (i, c) in s.as_bytes().iter().enumerate() {
        totals[*c as usize - 'a' as usize][i + 1] = 1;
    }
    for c in 0..27 as usize {
        for i in 0..n as usize {
            totals[c][i + 1] += totals[c][i];
        }
    }

    for _ in 0..q {
        let (l, r, x2) = scan!(cin => i32, i32, i32);
        let mut x = x2;
        for c in 0..27 as usize {
            let d = totals[c][r as usize] - totals[c][(l - 1) as usize];
            x -= d;
            if x <= 0 {
                println!("{}", ('a' as u8 + c as u8) as char);
                break;
            }
        }
    }
}