#1020275 (Rust) No.2938 Sigma Sigma Distance Distance Problem

• 問題: No.2938 Sigma Sigma Distance Distance Problem
• ユーザー: Moss_Local
• 提出日時: 2024-10-18 21:22:50
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 1 ms / 2,000 ms
• コード長: 3,664 bytes
• コンパイル時間: 14,096 ms
• コンパイル使用メモリ: 402,044 KB
• 実行使用メモリ: 13,888 KB
• 最終ジャッジ日時: 2024-10-18 21:41:34
• 合計ジャッジ時間: 73,601 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; 13,756 KB
testcase_01	AC	1 ms; 9,508 KB
testcase_02	AC	1 ms; 13,884 KB
testcase_03	AC	1 ms; 10,904 KB
testcase_04	AC	1 ms; 13,888 KB
testcase_05	AC	1 ms; 11,084 KB
testcase_06	AC	1 ms; 13,884 KB
testcase_07	AC	1 ms; 10,916 KB
testcase_08	AC	1 ms; 13,884 KB
testcase_09	AC	1 ms; 10,348 KB
testcase_10	AC	1 ms; 11,284 KB
testcase_11	AC	1 ms; 11,280 KB
testcase_12	AC	1 ms; 13,888 KB
testcase_13	AC	1 ms; 11,296 KB
testcase_14	AC	1 ms; 13,884 KB
testcase_15	AC	1 ms; 10,760 KB
testcase_16	AC	1 ms; 13,888 KB
testcase_17	AC	1 ms; 10,520 KB
testcase_18	AC	1 ms; 11,472 KB
testcase_19	AC	1 ms; 11,472 KB
testcase_20	AC	1 ms; 13,888 KB
testcase_21	AC	1 ms; 10,908 KB
04_evil_01.txt	TLE	-
04_evil_02.txt	TLE	-
04_evil_03.txt	TLE	-
04_evil_04.txt	TLE	-
04_evil_05.txt	TLE	-
04_evil_06.txt	TLE	-
04_evil_07.txt	TLE	-
04_evil_08.txt	TLE	-
04_evil_09.txt	TLE	-
04_evil_10.txt	TLE	-
04_evil_11.txt	TLE	-
04_evil_12.txt	TLE	-
04_evil_13.txt	TLE	-
04_evil_14.txt	TLE	-
04_evil_15.txt	TLE	-
04_evil_16.txt	TLE	-
04_evil_17.txt	TLE	-
04_evil_18.txt	TLE	-
04_evil_19.txt	TLE	-
04_evil_20.txt	TLE	-

コンパイルメッセージ

warning: variable does not need to be mutable
   --> src/main.rs:119:9
    |
119 |     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:125:9
    |
125 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:130:9
    |
130 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:136:9
    |
136 |     let mut vec: Vec<f64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:141:9
    |
141 |     let mut vec: Vec<char> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:146:9
    |
146 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:151:9
    |
151 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:157:9
    |
157 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:163:9
    |
163 |     let mut vec: Vec<i64> = 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::io::BufRead;
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() {
    let n: usize = read();
    let mut vec: Vec<i64> = read_vec();
    let mut res = 0;
    for i in 0..n {
        for j in 0..n {
            let x = (i as i64 - j as i64).abs();
            let y = (vec[i] - vec[j]).abs();
            res += x * y;
        }
    }
    p!(res);
    return;
}