#963784 (Rust) No.2694 The Early Bird Catches The Worm

提出ソース

結果

問題	No.2694 The Early Bird Catches The Worm
ユーザー	Moss_Local
提出日時	2024-03-22 21:44:57
言語	Rust (1.77.0 + proconio)
結果	AC
実行時間	26 ms / 2,000 ms
コード長	4,432 bytes
コンパイル時間	13,744 ms
コンパイル使用メモリ	378,976 KB
実行使用メモリ	7,464 KB
最終ジャッジ日時	2024-09-30 11:13:50
合計ジャッジ時間	15,452 ms
ジャッジサーバーID （参考情報）	judge3 / judge1

このコードへのチャレンジ
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テストケース

テストケース表示

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 6,820 KB
testcase_02	AC	0 ms 6,816 KB
testcase_03	AC	1 ms 6,820 KB
testcase_04	AC	1 ms 6,816 KB
testcase_05	AC	1 ms 6,816 KB
testcase_06	AC	1 ms 6,820 KB
testcase_07	AC	1 ms 6,820 KB
testcase_08	AC	1 ms 6,824 KB
testcase_09	AC	1 ms 6,820 KB
testcase_10	AC	1 ms 6,820 KB
testcase_11	AC	1 ms 6,816 KB
testcase_12	AC	1 ms 6,820 KB
testcase_13	AC	1 ms 6,816 KB
testcase_14	AC	1 ms 6,816 KB
testcase_15	AC	1 ms 6,820 KB
testcase_16	AC	1 ms 6,820 KB
testcase_17	AC	1 ms 6,820 KB
testcase_18	AC	1 ms 6,820 KB
testcase_19	AC	1 ms 6,816 KB
testcase_20	AC	1 ms 6,820 KB
testcase_21	AC	1 ms 6,816 KB
testcase_22	AC	1 ms 6,820 KB
testcase_23	AC	1 ms 6,816 KB
testcase_24	AC	8 ms 6,820 KB
testcase_25	AC	8 ms 6,816 KB
testcase_26	AC	10 ms 6,816 KB
testcase_27	AC	14 ms 6,816 KB
testcase_28	AC	15 ms 6,816 KB
testcase_29	AC	5 ms 6,816 KB
testcase_30	AC	23 ms 7,224 KB
testcase_31	AC	14 ms 6,816 KB
testcase_32	AC	24 ms 6,820 KB
testcase_33	AC	20 ms 6,816 KB
testcase_34	AC	1 ms 6,820 KB
testcase_35	AC	11 ms 6,820 KB
testcase_36	AC	13 ms 6,816 KB
testcase_37	AC	23 ms 6,816 KB
testcase_38	AC	15 ms 6,816 KB
testcase_39	AC	5 ms 6,816 KB
testcase_40	AC	12 ms 6,816 KB
testcase_41	AC	6 ms 6,820 KB
testcase_42	AC	1 ms 6,816 KB
testcase_43	AC	3 ms 6,820 KB
testcase_44	AC	23 ms 6,820 KB
testcase_45	AC	22 ms 6,816 KB
testcase_46	AC	7 ms 6,820 KB
testcase_47	AC	7 ms 6,820 KB
testcase_48	AC	13 ms 6,816 KB
testcase_49	AC	14 ms 6,816 KB
testcase_50	AC	13 ms 6,820 KB
testcase_51	AC	14 ms 6,816 KB
testcase_52	AC	14 ms 6,816 KB
testcase_53	AC	13 ms 6,816 KB
testcase_54	AC	26 ms 7,464 KB
testcase_55	AC	25 ms 7,324 KB
testcase_56	AC	25 ms 7,196 KB
testcase_57	AC	24 ms 7,456 KB
testcase_58	AC	25 ms 7,324 KB
testcase_59	AC	25 ms 7,328 KB
testcase_60	AC	25 ms 7,324 KB
testcase_61	AC	25 ms 7,324 KB
testcase_62	AC	24 ms 7,452 KB
testcase_63	AC	24 ms 7,324 KB
testcase_64	AC	24 ms 7,328 KB
testcase_65	AC	25 ms 7,320 KB
testcase_66	AC	25 ms 7,452 KB
testcase_67	AC	24 ms 7,324 KB
testcase_68	AC	24 ms 7,324 KB
testcase_69	AC	17 ms 6,820 KB
testcase_70	AC	17 ms 6,820 KB
testcase_71	AC	17 ms 6,812 KB
testcase_72	AC	17 ms 6,816 KB
testcase_73	AC	18 ms 6,940 KB
testcase_74	AC	8 ms 5,248 KB
testcase_75	AC	18 ms 6,820 KB

権限があれば一括ダウンロードができます

コンパイルメッセージ

warning: unnecessary parentheses around `if` condition
   --> src/main.rs:186:12
    |
186 |         if (r < n) {
    |            ^     ^
    |
    = note: `#[warn(unused_parens)]` on by default
help: remove these parentheses
    |
186 -         if (r < n) {
186 +         if r < n {
    |

warning: variable does not need to be mutable
   --> src/main.rs:122:9
    |
122 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`
    |
    = note: `#[warn(unused_mut)]` on by default

warning: variable does not need to be mutable
   --> src/main.rs:128:9
    |
128 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:133:9
    |
133 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:139:9
    |
139 |     let mut vec: Vec<f64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:144:9
    |
144 |     let mut vec: Vec<char> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:149:9
    |
149 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:154:9
    |
154 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:160:9
    |
160 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable

ソースコード

raw source code

// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]
// use core::num;
use std::cmp::*;
use std::fmt::*;
use std::hash::*;
use std::iter::FromIterator;
use std::*;
use std::{cmp, collections, fmt, io, iter, ops, str};
const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
const LINF: i64 = 2147483647;
const INF128: i128 = 1223372036854775807000000000000;
const MOD1: i64 = 1000000007;
const MOD9: i64 = 998244353;
const MOD: i64 = MOD9;
// const MOD: i64 = MOD2;
const UMOD: usize = MOD as usize;
const M_PI: f64 = 3.14159265358979323846;

// use proconio::input;
// const MOD: i64 = INF;

use cmp::Ordering::*;
use std::collections::*;

use std::io::stdin;
use std::io::stdout;
use std::io::Write;

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

macro_rules! vp {
    // vector print separate with space
    ($x:expr) => {
        println!(
            "{}",
            $x.iter()
                .map(|x| x.to_string())
                .collect::<Vec<_>>()
                .join(" ")
        );
    };
}

macro_rules! d {
    ($x:expr) => {
        eprintln!("{:?}", $x);
    };
}
macro_rules! yn {
    ($val:expr) => {
        if $val {
            println!("Yes");
        } else {
            println!("No");
        }
    };
}

macro_rules! map{
    // declear btreemap
    ($($key:expr => $val:expr),*) => {
        {
            let mut map = ::std::collections::BTreeMap::new();
            $(
                map.insert($key, $val);
            )*
            map
        }
    };
}

macro_rules! set{
    // declear btreemap
    ($($key:expr),*) => {
        {
            let mut set = ::std::collections::BTreeSet::new();
            $(
                set.insert($key);
            )*
            set
        }
    };
}

fn main() {
    solve();
}

// 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 read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}

#[allow(dead_code)]
fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {
    (0..n).map(|_| read_vec()).collect()
}

#[allow(dead_code)]
fn readii() -> (i64, i64) {
    let mut vec: Vec<i64> = read_vec();
    (vec[0], vec[1])
}

#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
    let mut vec: Vec<i64> = read_vec();
    (vec[0], vec[1], vec[2])
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
    let mut vec: Vec<usize> = read_vec();
    (vec[0], vec[1])
}

#[allow(dead_code)]
fn readff() -> (f64, f64) {
    let mut vec: Vec<f64> = read_vec();
    (vec[0], vec[1])
}

fn readcc() -> (char, char) {
    let mut vec: Vec<char> = read_vec();
    (vec[0], vec[1])
}

fn readuuu() -> (usize, usize, usize) {
    let mut vec: Vec<usize> = read_vec();
    (vec[0], vec[1], vec[2])
}
#[allow(dead_code)]
fn readiiii() -> (i64, i64, i64, i64) {
    let mut vec: Vec<i64> = read_vec();
    (vec[0], vec[1], vec[2], vec[3])
}

#[allow(dead_code)]
fn readuuuu() -> (usize, usize, usize, usize) {
    let mut vec: Vec<usize> = read_vec();
    (vec[0], vec[1], vec[2], vec[3])
}

fn read_imat(h: usize) -> Vec<Vec<i64>> {
    (0..h).map(|_| read_vec()).collect()
}
fn read_cmat(h: usize) -> Vec<Vec<char>> {
    (0..h).map(|_| read::<String>().chars().collect()).collect()
}

fn solve() {
    let (n, h) = readuu();
    let mut a: Vec<usize> = read_vec();
    let mut b: Vec<usize> = read_vec();

    /* -- two pointer --  */
    let mut r = 0 as usize;
    let mut acc = 0 as usize;
    let mut cost = 0;
    let mut su_b = 0;
    let mut res = 0;
    for l in 0..n {
        while r < l {
            r += 1;
        }
        if (r < n) {
            while cost + b[r] * (r - l + 1) <= h && r < n {
                su_b += b[r];
                cost += b[r] * (r - l + 1);
                acc += a[r];
                r += 1;
                if r == n {
                    break;
                }
            }
        }

        res = max(res, acc);
        // println!("{:?}", (l, r));
        if r != l {
            acc -= a[l];
            cost -= su_b;
            su_b -= b[l];
        }
    }
    println!("{}", res);
    return;
}

yukicoder

結果

テストケース

コンパイルメッセージ

ソースコード