#650533 (Rust) No.1485 運賃

• 問題: No.1485 運賃
• ユーザー: Moss_Local
• 提出日時: 2021-04-23 21:22:17
• 言語: Rust (1.77.0)
• 結果: AC
• 実行時間: 1 ms / 2,000 ms
• コード長: 5,648 bytes
• コンパイル時間: 5,016 ms
• コンパイル使用メモリ: 135,652 KB
• 実行使用メモリ: 4,380 KB
• 最終ジャッジ日時: 2023-09-17 11:32:12
• 合計ジャッジ時間: 1,367 ms
• ジャッジサーバーID （参考情報）: judge13 / judge14

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 4,376 KB
testcase_01	AC	1 ms; 4,380 KB
testcase_02	AC	1 ms; 4,376 KB
testcase_03	AC	1 ms; 4,376 KB
testcase_04	AC	1 ms; 4,376 KB
testcase_05	AC	1 ms; 4,380 KB
testcase_06	AC	1 ms; 4,376 KB

コンパイルメッセージ

warning: unnecessary parentheses around assigned value
   --> Main.rs:169:26
    |
169 |     let mut res: (i64) = (0);
    |                          ^ ^
    |
    = note: `#[warn(unused_parens)]` on by default
help: remove these parentheses
    |
169 -     let mut res: (i64) = (0);
169 +     let mut res: (i64) = 0;
    |

warning: unnecessary parentheses around type
   --> Main.rs:169:18
    |
169 |     let mut res: (i64) = (0);
    |                  ^   ^
    |
help: remove these parentheses
    |
169 -     let mut res: (i64) = (0);
169 +     let mut res: i64 = (0);
    |

warning: unnecessary parentheses around `if` condition
   --> Main.rs:170:8
    |
170 |     if (p != INF as usize) {
    |        ^                 ^
    |
help: remove these parentheses
    |
170 -     if (p != INF as usize) {
170 +     if p != INF as usize {
    |

warning: unnecessary parentheses around `if` condition
   --> Main.rs:178:12
    |
178 |         if (*nv == p || depth[*nv] != -1) {
    |            ^                            ^
    |
help: remove these parentheses
    |
178 -         if (*nv == p || depth[*nv] != -1) {
178 +         if *nv == p || depth[*nv] != -1 {
    |

warning: unnecessary parentheses around `if` condition
   --> Main.rs:191:12
    |
191 |         if (d.1 < depth[i]) {
    |            ^              ^
    |
help: remove these parentheses
    |
191 -         if (d.1 < depth[i]) {
191 +         if d.1 < depth[i] {
    |

warning: unnecessary parentheses around `if` condition
   --> Main.rs:200:12
    |
200 |         if (d.1 < depth[i]) {
    |            ^              ^
    |
help: remove these parentheses
    |
200 -         if (d.1 < depth[i]) {
200 +         if d.1 < depth[i] {
    |

warning: unused variable: `res`
   --> Main.rs:169:13
    |
169 |     let mut res: (i64) = (0);
    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: variable does not n

ソースコード

// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]

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 UINF: usize = INF as usize;
const FINF: f64 = 122337203685.0;
const INF128: i128 = 1223372036854775807000000000000;
const LINF: i64 = 2147483647;
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;

macro_rules! d {
    ($x:expr) => {
        println!("{:?}", $x);
    };
}

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

// 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 tree_diameter_dfs(v: usize, p: usize, depth: &mut Vec<i64>, graph: &Vec<Vec<usize>>) {
    let mut res: (i64) = (0);
    if (p != INF as usize) {
        depth[v] = depth[p] + 1;
    } else {
        depth[v] = 0;
    }
    // println!("{:?}", v);

    for nv in graph[v].iter() {
        if (*nv == p || depth[*nv] != -1) {
            continue;
        }
        tree_diameter_dfs(*nv, v, depth, graph);
    }
    // return res;
}

fn tree_diameter(graph: &Vec<Vec<usize>>) -> i64 {
    let mut depth: Vec<i64> = vec![-1; graph.len()];
    tree_diameter_dfs(0, INF as usize, &mut depth, &graph);
    let mut d = (0, 0);
    for i in 0..depth.len() {
        if (d.1 < depth[i]) {
            d = (i, depth[i])
        }
    }

    let mut depth: Vec<i64> = vec![-1; graph.len()];
    tree_diameter_dfs(d.0, INF as usize, &mut depth, &graph);
    let mut d = (0, 0);
    for i in 0..depth.len() {
        if (d.1 < depth[i]) {
            d = (i, depth[i])
        }
    }

    return d.1;
}
fn solve() {
    let (n, m) = readuu();
    println!("{:?}", n + m);

    return;
}

fn main() {
    solve()
}