結果

問題 No.1374 Absolute Game
ユーザー Moss_LocalMoss_Local
提出日時 2021-02-06 07:58:51
言語 Rust
(1.77.0)
結果
AC  
実行時間 16 ms / 2,000 ms
コード長 6,988 bytes
コンパイル時間 944 ms
コンパイル使用メモリ 153,072 KB
実行使用メモリ 4,384 KB
最終ジャッジ日時 2023-09-15 12:39:22
合計ジャッジ時間 2,549 ms
ジャッジサーバーID
（参考情報） 		judge15 / judge14
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
4,384 KB
testcase_01 AC 1 ms
4,376 KB
testcase_02 AC 1 ms
4,376 KB
testcase_03 AC 1 ms
4,380 KB
testcase_04 AC 1 ms
4,380 KB
testcase_05 AC 1 ms
4,376 KB
testcase_06 AC 1 ms
4,376 KB
testcase_07 AC 1 ms
4,380 KB
testcase_08 AC 6 ms
4,380 KB
testcase_09 AC 12 ms
4,376 KB
testcase_10 AC 14 ms
4,376 KB
testcase_11 AC 9 ms
4,380 KB
testcase_12 AC 6 ms
4,376 KB
testcase_13 AC 11 ms
4,376 KB
testcase_14 AC 16 ms
4,376 KB
testcase_15 AC 16 ms
4,384 KB
testcase_16 AC 16 ms
4,380 KB
testcase_17 AC 16 ms
4,380 KB
testcase_18 AC 16 ms
4,380 KB
testcase_19 AC 16 ms
4,376 KB
testcase_20 AC 6 ms
4,380 KB
testcase_21 AC 8 ms
4,380 KB
testcase_22 AC 16 ms
4,380 KB
testcase_23 AC 2 ms
4,380 KB
testcase_24 AC 3 ms
4,380 KB
testcase_25 AC 4 ms
4,380 KB
testcase_26 AC 5 ms
4,376 KB
testcase_27 AC 7 ms
4,380 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 type
  --> Main.rs:45:15
   |
45 | fn readi() -> (i64) {
   |               ^   ^
   |
   = note: `#[warn(unused_parens)]` on by default
help: remove these parentheses
   |
45 - fn readi() -> (i64) {
45 + fn readi() -> i64 {
   |

warning: unnecessary parentheses around `if` condition
   --> Main.rs:203:20
    |
203 |                 if (res[nv.0][nv.1] > res[v.0][v.1] + d) {
    |                    ^                                   ^
    |
help: remove these parentheses
    |
203 -                 if (res[nv.0][nv.1] > res[v.0][v.1] + d) {
203 +                 if res[nv.0][nv.1] > res[v.0][v.1] + d {
    |

warning: value assigned to `d` is never read
   --> Main.rs:197:25
    |
197 |                 let mut d = 1;
    |                         ^
    |
    = help: maybe it is overwritten before being read?
    = note: `#[warn(unused_assignments)]` on by default

warning: 3 warnings emitted

ソースコード

diff # 

// -*- coding:utf-8-unix -*-

#![allow(dead_code)]
#![allow(unused_imports)]
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 FINF: f64 = 122337203685.0;
const LINF: i64 = 2147483647;
const UINF: usize = INF as usize;
const MEM_SIZE: usize = 202020;
// 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;

// 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() -> (i64, i64, 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(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}
fn grid_01bfs(mat: &Vec<Vec<usize>>, start: (usize, usize)) -> Vec<Vec<usize>> {
    let h = mat.len();
    let w = mat[0].len();
    let mut res = vec![vec![INF as usize; (w) as usize]; (h) as usize];
    let mut q = VecDeque::new();
    q.push_back(start);
    res[start.0][start.1] = 0;
    while !q.is_empty() {
        let v = q.pop_front().unwrap();
        for i in -1..=1 {
            for j in -1..=1 {
                if (i * j as i32).abs() == 1 || (i == 0 && j == 0) {
                    continue;
                }
                if v.0 == 0 && i == -1 {
                    continue;
                }

                if v.0 == h - 1 && i == 1 {
                    continue;
                }

                if v.1 == 0 && j == -1 {
                    continue;
                }

                if v.1 == w - 1 && j == 1 {
                    continue;
                }
                let nv = ((v.0 as i32 + i) as usize, (v.1 as i32 + j) as usize);
                let mut d = 1;
                if mat[nv.0][nv.1] == 1 {
                    d = 1;
                } else {
                    d = 0;
                }
                if (res[nv.0][nv.1] > res[v.0][v.1] + d) {
                    res[nv.0][nv.1] = res[v.0][v.1] + d;
                    if d == 0 {
                        q.push_front(nv);
                    } else {
                        q.push_back(nv);
                    }
                }
            }
        }
    }

    return res;
}

fn solve() {
    let n: usize = read();
    let mut vec: Vec<i64> = read_vec();
    vec.sort();
    vec.reverse();
    let mut sum = 0;
    let mut a = 0;
    for i in 0..n {
        sum += vec[i];
        if i % 2 == 0 {
            a += vec[i];
        }
    }
    if sum < 0 {
        vec.reverse();
        sum = 0;
        a = 0;
        for i in 0..n {
            sum += -1 * vec[i];
            if i % 2 == 0 {
                a += -1 * vec[i];
            }
        }
    }

    if a >= sum {
        println!("{:?}", sum);
    } else if a < 0 {
        println!("{:?}", -1 * sum);
    } else {
        println!("{}", 2 * a - sum);
    }

    return;
}

fn main() {
    solve()
}
0