#631614 (Rust) No.1433 Two color sequence

• 問題: No.1433 Two color sequence
• ユーザー: Moss_Local
• 提出日時: 2021-03-19 21:54:01
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 20 ms / 2,000 ms
• コード長: 5,505 bytes
• コンパイル時間: 12,445 ms
• コンパイル使用メモリ: 393,236 KB
• 実行使用メモリ: 7,296 KB
• 最終ジャッジ日時: 2024-11-18 22:02:42
• 合計ジャッジ時間: 13,959 ms
• ジャッジサーバーID （参考情報）: judge2 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	AC	1 ms; 5,248 KB
testcase_02	AC	1 ms; 5,248 KB
testcase_03	AC	9 ms; 6,508 KB
testcase_04	AC	10 ms; 6,508 KB
testcase_05	AC	1 ms; 5,248 KB
testcase_06	AC	1 ms; 5,248 KB
testcase_07	AC	1 ms; 5,248 KB
testcase_08	AC	19 ms; 7,296 KB
testcase_09	AC	20 ms; 6,912 KB
testcase_10	AC	19 ms; 6,784 KB
testcase_11	AC	19 ms; 6,784 KB
testcase_12	AC	20 ms; 7,040 KB
testcase_13	AC	20 ms; 7,040 KB
testcase_14	AC	19 ms; 7,040 KB
testcase_15	AC	19 ms; 7,040 KB
testcase_16	AC	20 ms; 7,040 KB
testcase_17	AC	20 ms; 7,168 KB
testcase_18	AC	19 ms; 7,040 KB
testcase_19	AC	19 ms; 7,040 KB
testcase_20	AC	19 ms; 7,168 KB
testcase_21	AC	19 ms; 7,040 KB
testcase_22	AC	19 ms; 7,040 KB
testcase_23	AC	20 ms; 7,168 KB

コンパイルメッセージ

warning: variable does not need to be mutable
   --> src/main.rs:187:9
    |
187 |     let mut v: Vec<char> = s.chars().collect();
    |         ----^
    |         |
    |         help: remove this `mut`
    |
    = note: `#[warn(unused_mut)]` on by default

ソースコード

// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]
use std::collections::*;
use std::convert::*;
use std::convert::{From, Into};
use std::fmt::Debug;
use std::fs::File;
use std::io::prelude::*;
use std::io::*;
use std::marker::Copy;
use std::mem::*;
use std::ops::Bound::*;
use std::ops::{Add, Mul, Neg, Sub};
use std::str;
use std::vec;
use std::{cmp, process::Output};
use std::{cmp::Ordering, env::consts::DLL_PREFIX};
use std::{cmp::Ordering::*, f32::consts::PI};

const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
const FINF: f64 = 122337203685.0;
const INF128: i128 = 1223372036854775807000000000000;
const LINF: i64 = 2147483647;
// const MOD: i64 = 1000000007;
const MOD: i64 = 998244353;
const UMOD: usize = MOD as usize;
use std::cmp::*;
use std::collections::*;
use std::io::stdin;
use std::io::stdout;
use std::io::Write;

macro_rules! p {
    ($x:expr) => {
        println!("{}", $x);
    };
}

macro_rules! pp {
    ($x:expr) => {
        println!("{:?}", $x);
    };
}

macro_rules! d {
    ($x:expr) => {
        dbg!($x);
    };
}

// use str::Chars;
#[allow(dead_code)]
fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

// #[allow(dead_code)]
// fn readi() -> (i64) {
//     let mut str = String::new();
//     let _ = stdin().read_line(&mut str).unwrap();
//     let mut iter = str.split_whitespace();
//     iter.next().unwrap().parse::<i64>().unwrap()
// }

#[allow(dead_code)]
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}
#[allow(dead_code)]
fn read_vec2<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {
    (0..n).map(|_| read_vec()).collect()
}

#[allow(dead_code)]
fn readii() -> (i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}

fn readff() -> (f64, f64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<f64>().unwrap(),
        iter.next().unwrap().parse::<f64>().unwrap(),
    )
}

#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}

fn readcc() -> (char, char) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<char>().unwrap(),
        iter.next().unwrap().parse::<char>().unwrap(),
    )
}

#[allow(dead_code)]
fn readuuu() -> (usize, usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}

#[allow(dead_code)]
fn readuuuu() -> (usize, usize, usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}

fn readiiii() -> (i64, i64, i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}

fn readin() -> (String, String) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        // iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<String>().unwrap(),
        iter.next().unwrap().parse::<String>().unwrap(),
    )
}

fn solve() {
    let n: usize = read();
    let s: String = read();
    let mut v: Vec<char> = s.chars().collect();
    let mut vec: Vec<i64> = read_vec();
    for i in 0..n {
        if v[i] == 'B' {
            vec[i] *= -1;
        }
    }
    let mut acc = vec![0; n + 1];
    for i in 0..n {
        acc[i + 1] = acc[i] + vec[i];
    }
    let mut ma = -1 * INF;
    let mut mi = INF;
    for i in 0..n + 1 {
        ma = max(ma, acc[i]);
        mi = min(mi, acc[i]);
    }
    println!("{:?}", ma - mi);
    return;
}

fn main() {
    solve()
}