#906718 (Rust) No.2912 ０次パーシステントホモロジー

• 問題: No.2912 ０次パーシステントホモロジー
• ユーザー: Moss_Local
• 提出日時: 2023-08-21 22:41:30
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 185 ms / 2,000 ms
• コード長: 9,483 bytes
• コンパイル時間: 14,724 ms
• コンパイル使用メモリ: 390,232 KB
• 実行使用メモリ: 12,136 KB
• 最終ジャッジ日時: 2024-10-04 20:50:44
• 合計ジャッジ時間: 16,360 ms
• ジャッジサーバーID （参考情報）: judge2 / judge1

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	AC	1 ms; 5,248 KB
testcase_02	AC	1 ms; 5,248 KB
testcase_03	AC	1 ms; 5,248 KB
testcase_04	AC	2 ms; 5,248 KB
testcase_05	AC	1 ms; 5,248 KB
testcase_06	AC	1 ms; 5,248 KB
testcase_07	AC	1 ms; 5,248 KB
testcase_08	AC	1 ms; 5,248 KB
testcase_09	AC	1 ms; 5,248 KB
testcase_10	AC	1 ms; 5,248 KB
testcase_11	AC	1 ms; 5,248 KB
testcase_12	AC	1 ms; 5,248 KB
testcase_13	AC	1 ms; 5,248 KB
testcase_14	AC	1 ms; 5,248 KB
testcase_15	AC	18 ms; 5,248 KB
testcase_16	AC	138 ms; 7,432 KB
testcase_17	AC	57 ms; 5,248 KB
testcase_18	AC	83 ms; 6,864 KB
testcase_19	AC	185 ms; 11,480 KB
testcase_20	AC	185 ms; 11,540 KB
testcase_21	AC	173 ms; 12,136 KB
testcase_22	AC	171 ms; 12,056 KB

コンパイルメッセージ

warning: unused variable: `i`
   --> src/main.rs:339:9
    |
339 |     for i in 0..m {
    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: unused variable: `c`
   --> src/main.rs:354:14
    |
354 |         let (c, _, a, b, t) = event[i];
    |              ^ help: if this is intentional, prefix it with an underscore: `_c`

warning: variable does not need to be mutable
   --> src/main.rs:345:9
    |
345 |     let mut input_querry: Vec<usize> = read_vec();
    |         ----^^^^^^^^^^^^
    |         |
    |         help: remove this `mut`
    |
    = note: `#[warn(unused_mut)]` on by default

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::arch::x86_64::_MM_FROUND_NEARBYINT;
// 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) => {
        println!("{:?}", $x);
    };
}
macro_rules! yn {
    ($val:expr) => {
        if $val {
            println!("Yes");
        } else {
            println!("No");
        }
    };
}

fn main() {
    solve();
}

// 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_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 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(),
    )
}

#[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(),
    )
}

#[allow(dead_code)]
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(),
    )
}

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(),
    )
}

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 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(),
    )
}

#[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(),
    )
}

#[derive(Clone, Debug)]
struct MultiSet {
    set: BTreeSet<i64>,
    map: HashMap<i64, i64>,
}

impl MultiSet {
    fn new() -> MultiSet {
        MultiSet {
            set: BTreeSet::new(),
            map: HashMap::new(),
        }
    }

    ///multiset的に書き出し
    fn print(&self) {
        print!("{{ ");
        for x in &self.set {
            if let Some(&num) = self.map.get(x) {
                for _i in 0..num {
                    print!("{} ", x);
                }
            }
        }
        println!("}}");
    }

    ///重複許可挿入
    fn insert(&mut self, i: i64) -> Option<i64> {
        if let Some(_i) = self.set.get(&i) {
            //setにある
            *self.map.entry(i).or_insert(0) += 1;
        } else {
            //setにない
            self.set.insert(i);
            *self.map.entry(i).or_insert(0) += 1;
        }
        return Some(i);
    }

    ///1つ削除
    fn erase(&mut self, e: i64) -> Option<i64> {
        if let Some(_e) = self.set.get(&e) {
            //setにある
            *self.map.entry(e).or_insert(0) -= 1;
            if self.map[&e] == 0 {
                //なくなった
                self.set.take(&e);
            }
            return Some(e);
        } else {
            //setにない
            return None;
        }
    }

    ///最小値の取得
    fn get_min(&self) -> Option<i64> {
        if let Some(&m) = self.set.iter().nth(0) {
            return Some(m);
        } else {
            return None;
        }
    }

    ///最大値の取得
    fn get_max(&self) -> Option<i64> {
        if let Some(&m) = self.set.iter().last() {
            return Some(m);
        } else {
            return None;
        }
    }
}

pub struct Dsu {
    n: usize,
    // root node: -1 * component size
    // otherwise: parent
    parent_or_size: Vec<i32>,
}

impl Dsu {
    // 0 <= size <= 10^8 is constrained.
    pub fn new(size: usize) -> Self {
        Self {
            n: size,
            parent_or_size: vec![-1; size],
        }
    }
    pub fn merge(&mut self, a: usize, b: usize) -> usize {
        assert!(a < self.n);
        assert!(b < self.n);
        let (mut x, mut y) = (self.leader(a), self.leader(b));
        if x == y {
            return x;
        }
        if -self.parent_or_size[x] < -self.parent_or_size[y] {
            std::mem::swap(&mut x, &mut y);
        }
        self.parent_or_size[x] += self.parent_or_size[y];
        self.parent_or_size[y] = x as i32;
        x
    }

    pub fn same(&mut self, a: usize, b: usize) -> bool {
        assert!(a < self.n);
        assert!(b < self.n);
        self.leader(a) == self.leader(b)
    }
    pub fn leader(&mut self, a: usize) -> usize {
        assert!(a < self.n);
        if self.parent_or_size[a] < 0 {
            return a;
        }
        self.parent_or_size[a] = self.leader(self.parent_or_size[a] as usize) as i32;
        self.parent_or_size[a] as usize
    }
    pub fn size(&mut self, a: usize) -> usize {
        assert!(a < self.n);
        let x = self.leader(a);
        -self.parent_or_size[x] as usize
    }
    pub fn groups(&mut self) -> Vec<Vec<usize>> {
        let mut leader_buf = vec![0; self.n];
        let mut group_size = vec![0; self.n];
        for i in 0..self.n {
            leader_buf[i] = self.leader(i);
            group_size[leader_buf[i]] += 1;
        }
        let mut result = vec![Vec::new(); self.n];
        for i in 0..self.n {
            result[i].reserve(group_size[i]);
        }
        for i in 0..self.n {
            result[leader_buf[i]].push(i);
        }
        result
            .into_iter()
            .filter(|x| !x.is_empty())
            .collect::<Vec<Vec<usize>>>()
    }
}

fn solve() {
    let (n, m) = readuu();
    let mut event = vec![];
    for i in 0..m {
        let (a, b, c) = readuuu();
        event.push((c, 0, a, b, 1));
    }
    let t: usize = read();
    let mut res = vec![0; t];
    let mut input_querry: Vec<usize> = read_vec();
    for i in 0..t {
        let r = input_querry[i];
        event.push((r, 1, i, 0, 0));
    }
    event.sort();
    let mut connect_num = n;
    let mut dsu = Dsu::new(n);
    for i in 0..event.len() {
        let (c, _, a, b, t) = event[i];
        if t != 0 {
            //edge
            if dsu.same(a, b) {
                continue;
            }
            connect_num -= 1;
            dsu.merge(a, b);
        } else {
            //query
            res[a] = connect_num;
        }
    }
    for i in 0..t {
        println!("{}", res[i]);
    }

    return;
}