#996086 (Rust) No.2812 Plus Minus Blackboard

• 問題: No.2812 Plus Minus Blackboard
• ユーザー: Moss_Local
• 提出日時: 2024-07-19 21:50:57
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 31 ms / 2,000 ms
• コード長: 4,124 bytes
• コンパイル時間: 12,385 ms
• コンパイル使用メモリ: 390,144 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-07-21 20:27:14
• 合計ジャッジ時間: 13,982 ms
• ジャッジサーバーID （参考情報）: judge3 / judge5

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	1 ms; 6,812 KB
testcase_02	AC	1 ms; 6,944 KB
testcase_03	AC	31 ms; 6,944 KB
testcase_04	AC	17 ms; 6,940 KB
testcase_05	AC	30 ms; 6,944 KB
testcase_06	AC	5 ms; 6,944 KB
testcase_07	AC	4 ms; 6,940 KB
testcase_08	AC	4 ms; 6,944 KB
testcase_09	AC	25 ms; 6,940 KB
testcase_10	AC	3 ms; 6,944 KB
testcase_11	AC	17 ms; 6,940 KB
testcase_12	AC	12 ms; 6,940 KB
testcase_13	AC	31 ms; 6,944 KB
testcase_14	AC	8 ms; 6,944 KB
testcase_15	AC	3 ms; 6,940 KB
testcase_16	AC	27 ms; 6,944 KB
testcase_17	AC	8 ms; 6,940 KB
testcase_18	AC	6 ms; 6,944 KB
testcase_19	AC	21 ms; 6,940 KB
testcase_20	AC	3 ms; 6,944 KB
testcase_21	AC	31 ms; 6,940 KB
testcase_22	AC	27 ms; 6,940 KB
testcase_23	AC	1 ms; 6,940 KB
testcase_24	AC	1 ms; 6,940 KB

コンパイルメッセージ

warning: unnecessary parentheses around `if` condition
   --> src/main.rs:166:8
    |
166 |     if (a < b) {
    |        ^     ^
    |
    = note: `#[warn(unused_parens)]` on by default
help: remove these parentheses
    |
166 -     if (a < b) {
166 +     if a < b {
    |

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`

ソースコード

// -*- 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();
}

//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])
}

#[allow(dead_code)]
pub fn gcd(mut a: i64, mut b: i64) -> i64 {
    if (a < b) {
        let t = a;
        a = b;
        b = t;
    }
    if b == 0 {
        a
    } else {
        gcd(b, a % b)
    }
}

fn solve() {
    let n: usize = read();
    let mut vec: Vec<i64> = read_vec();
    let mut sum = 0;
    for i in 0..n {
        sum += vec[i];
    }
    if n == 1 || sum == 0 {
        yn!(true);
        return;
    }
    if sum > 0 {
        vec.sort();
        let mut sum2 = 0;
        for i in 0..n - 1 {
            sum2 += vec[i];
        }
        yn!(sum2 < 0);
        return;
    } else {
        vec.sort();
        let mut sum2 = 0;
        for i in 1..n {
            sum2 += vec[i];
        }
        yn!(sum2 > 0);
        return;
    }
}