#1000803 (Rust) No.2840 RGB Plates

提出ソース

結果

問題	No.2840 RGB Plates
ユーザー	Moss_Local
提出日時	2024-08-09 22:00:02
言語	Rust (1.77.0 + proconio)
結果	WA
実行時間	-
コード長	4,667 bytes
コンパイル時間	12,223 ms
コンパイル使用メモリ	396,928 KB
実行使用メモリ	6,948 KB
最終ジャッジ日時	2024-08-09 22:00:16
合計ジャッジ時間	13,718 ms
ジャッジサーバーID （参考情報）	judge5 / judge2

このコードへのチャレンジ
（要ログイン）

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 6,812 KB
testcase_01	AC	0 ms 6,940 KB
testcase_02	AC	1 ms 6,944 KB
testcase_03	AC	1 ms 6,940 KB
testcase_04	WA	-
testcase_05	AC	2 ms 6,944 KB
testcase_06	WA	-
testcase_07	WA	-
testcase_08	AC	1 ms 6,940 KB
testcase_09	AC	1 ms 6,944 KB
testcase_10	AC	2 ms 6,944 KB
testcase_11	AC	40 ms 6,940 KB
testcase_12	AC	16 ms 6,940 KB
testcase_13	AC	32 ms 6,940 KB
testcase_14	AC	27 ms 6,940 KB
testcase_15	AC	22 ms 6,944 KB
testcase_16	AC	32 ms 6,944 KB
testcase_17	WA	-
testcase_18	WA	-
testcase_19	WA	-
testcase_20	WA	-
testcase_21	WA	-
testcase_22	AC	2 ms 6,944 KB
testcase_23	AC	1 ms 6,940 KB
testcase_24	AC	2 ms 6,944 KB
testcase_25	AC	1 ms 6,940 KB
testcase_26	WA	-
testcase_27	WA	-
testcase_28	AC	1 ms 6,944 KB
testcase_29	WA	-

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: variable does not need to be mutable
   --> src/main.rs:118:9
    |
118 |     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:124:9
    |
124 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:129:9
    |
129 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:135:9
    |
135 |     let mut vec: Vec<f64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:140:9
    |
140 |     let mut vec: Vec<char> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:145:9
    |
145 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:150:9
    |
150 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:156:9
    |
156 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:164:9
    |
164 |     let mut sum: usize = vec.iter().sum();
    |         ----^^^
    |         |
    |         help: remove this `mut`

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
        }
    };
}

//input output
#[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 main() {
    //同じ値を使う必要があるときはよりoptimalな解がある
    let n: usize = read();
    let mut vec: Vec<usize> = read_vec();
    let mut sum: usize = vec.iter().sum();
    let mut bt: BTreeSet<usize> = BTreeSet::new();
    vec.sort();
    bt.insert(0);
    let mut res = 0;
    let mut mi_nj = sum / 2 + 1;
    for i in 0..n {
        let x = vec[i];
        let pbt = bt.clone();
        if x > mi_nj {
            break;
        }
        for j in pbt {
            let nj = j + x;
            if nj > mi_nj {
                break;
            }

            if bt.contains(&nj) {
                if sum - x * 2 == 0 {
                    continue;
                }
                if nj * 2 <= mi_nj {
                    res = max(res, sum - nj * 2);
                    mi_nj = min(mi_nj, nj);
                }
            }
            if nj * 2 <= sum {
                bt.insert(nj);
            } else {
                break;
            }
            //pop bt element begger than mi_nj
            while let Some(&last) = bt.iter().last() {
                if last > mi_nj {
                    bt.remove(&last);
                } else {
                    break;
                }
            }
        }
    }
    if res == 0 {
        p!(-1);
    } else {
        p!(res);
    }
}

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