結果

問題 No.1344 Typical Shortest Path Sum
ユーザー cympfhcympfh
提出日時 2021-01-16 14:40:23
言語 Rust
(1.77.0 + proconio)
結果
WA  
実行時間 -
コード長 5,160 bytes
コンパイル時間 28,365 ms
コンパイル使用メモリ 377,864 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-05-05 17:11:59
合計ジャッジ時間 16,422 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
(要ログイン)

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
5,248 KB
testcase_01 AC 1 ms
5,248 KB
testcase_02 AC 1 ms
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testcase_03 AC 1 ms
5,376 KB
testcase_04 AC 1 ms
5,376 KB
testcase_05 AC 1 ms
5,376 KB
testcase_06 AC 1 ms
5,376 KB
testcase_07 WA -
testcase_08 WA -
testcase_09 AC 1 ms
5,376 KB
testcase_10 AC 0 ms
5,376 KB
testcase_11 AC 1 ms
5,376 KB
testcase_12 WA -
testcase_13 AC 0 ms
5,376 KB
testcase_14 AC 1 ms
5,376 KB
testcase_15 AC 1 ms
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testcase_16 AC 1 ms
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testcase_17 AC 1 ms
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testcase_18 AC 1 ms
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testcase_19 AC 1 ms
5,376 KB
testcase_20 AC 0 ms
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testcase_21 AC 0 ms
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testcase_22 AC 1 ms
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testcase_23 AC 1 ms
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testcase_24 AC 1 ms
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testcase_25 AC 1 ms
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testcase_26 AC 1 ms
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testcase_27 AC 1 ms
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testcase_28 AC 1 ms
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testcase_29 AC 1 ms
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testcase_30 AC 1 ms
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testcase_31 AC 1 ms
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testcase_32 AC 1 ms
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testcase_33 AC 1 ms
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testcase_34 AC 1 ms
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testcase_35 AC 1 ms
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testcase_36 AC 0 ms
5,376 KB
testcase_37 AC 1 ms
5,376 KB
testcase_38 AC 1 ms
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testcase_39 AC 1 ms
5,376 KB
testcase_40 AC 2 ms
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testcase_41 AC 3 ms
5,376 KB
testcase_42 AC 3 ms
5,376 KB
testcase_43 AC 2 ms
5,376 KB
testcase_44 AC 3 ms
5,376 KB
testcase_45 AC 2 ms
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testcase_46 AC 2 ms
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testcase_47 AC 3 ms
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testcase_48 AC 2 ms
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testcase_49 AC 3 ms
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testcase_50 AC 3 ms
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testcase_51 AC 3 ms
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testcase_52 AC 2 ms
5,376 KB
testcase_53 AC 2 ms
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testcase_54 AC 2 ms
5,376 KB
testcase_55 AC 3 ms
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testcase_56 AC 3 ms
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testcase_57 AC 3 ms
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testcase_58 AC 3 ms
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testcase_59 AC 3 ms
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testcase_60 AC 1 ms
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testcase_61 AC 1 ms
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testcase_62 AC 1 ms
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testcase_63 AC 1 ms
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testcase_64 AC 1 ms
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testcase_65 AC 1 ms
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testcase_66 AC 1 ms
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testcase_67 AC 1 ms
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testcase_68 AC 1 ms
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testcase_69 AC 1 ms
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testcase_70 AC 1 ms
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testcase_71 AC 1 ms
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testcase_72 AC 1 ms
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testcase_73 AC 0 ms
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testcase_74 AC 1 ms
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testcase_75 AC 1 ms
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testcase_76 AC 1 ms
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testcase_77 AC 1 ms
5,376 KB
testcase_78 AC 1 ms
5,376 KB
testcase_79 AC 1 ms
5,376 KB
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ソースコード

diff #

#![allow(unused_imports, unused_macros, dead_code)]
use std::{cmp::*, collections::*};

fn main() {
    let mut sc = Scanner::new();
    let n: usize = sc.cin();
    let m: usize = sc.cin();

    let mut d = vec![vec![Hyper::Inf; n]; n];
    for i in 0..n {
        d[i][i] = Hyper::zero();
    }
    for _ in 0..m {
        let s = sc.cin::<usize>() - 1;
        let t = sc.cin::<usize>() - 1;
        let w: i64 = sc.cin();
        d[s][t] = Hyper::Real(w);
        // d[t][s] = Hyper::Real(w);
    }
    warshall_floyd(&mut d);
    for i in 0..n {
        let a: i64 = d[i]
            .iter()
            .map(|&x| match x {
                Hyper::Real(x) => x,
                _ => 0,
            })
            .sum();
        put!(a);
    }
}

// @graph/shortest/warshall_floyd
// @algebra/group
pub trait Group:
    std::ops::Add<Output = Self>
    + std::ops::Sub<Output = Self>
    + std::ops::Neg<Output = Self>
    + std::iter::Sum
{
    fn zero() -> Self;
}
macro_rules! define_group {
    ($t:ty, $x:expr) => {
        impl Group for $t {
            fn zero() -> Self {
                $x
            }
        }
    };
}
define_group!(i32, 0);
define_group!(i64, 0);
define_group!(i128, 0);
define_group!(f32, 0.0);
define_group!(f64, 0.0);

// @algebra/hyper
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub enum Hyper<X> {
    NegInf,
    Real(X),
    Inf,
}
use Hyper::{Inf, NegInf, Real};
impl<X> Hyper<X> {
    pub fn unwrap(self) -> X {
        if let Hyper::Real(x) = self {
            x
        } else {
            panic!()
        }
    }
}
impl<X: Group> std::ops::Add for Hyper<X> {
    type Output = Self;
    fn add(self, rhs: Hyper<X>) -> Hyper<X> {
        match (self, rhs) {
            (Real(x), Real(y)) => Real(x + y),
            (Inf, _) => Inf,
            (_, Inf) => Inf,
            _ => NegInf,
        }
    }
}
impl<X: Group> std::ops::Sub for Hyper<X> {
    type Output = Self;
    fn sub(self, rhs: Hyper<X>) -> Hyper<X> {
        self + (-rhs)
    }
}
impl<X: Group> std::ops::Neg for Hyper<X> {
    type Output = Self;
    fn neg(self) -> Hyper<X> {
        match self {
            Inf => NegInf,
            NegInf => Inf,
            Real(x) => Real(-x),
        }
    }
}
impl<X: Group> std::iter::Sum for Hyper<X> {
    fn sum<I: Iterator<Item = Self>>(iter: I) -> Self {
        iter.fold(Hyper::zero(), std::ops::Add::add)
    }
}
impl<X: Group> Group for Hyper<X> {
    fn zero() -> Self {
        Hyper::Real(X::zero())
    }
}
impl<X: Group> std::ops::Add<X> for Hyper<X> {
    type Output = Self;
    fn add(self, other: X) -> Self {
        match self {
            Inf => Inf,
            NegInf => NegInf,
            Real(x) => Real(x + other),
        }
    }
}

pub fn warshall_floyd<X: Copy + Group + PartialOrd>(d: &mut [Vec<Hyper<X>>]) {
    let n = d.len();
    for i in 0..n {
        d[i][i] = Hyper::<X>::zero();
    }
    for k in 0..n {
        for i in 0..n {
            for j in 0..n {
                let w = d[i][k] + d[k][j];
                if w < d[i][j] {
                    d[i][j] = w;
                }
            }
        }
    }
}

// {{{
use std::io::{self, Write};
use std::str::FromStr;

struct Scanner {
    stdin: io::Stdin,
    buffer: VecDeque<String>,
}
impl Scanner {
    fn new() -> Self {
        Self {
            stdin: io::stdin(),
            buffer: VecDeque::new(),
        }
    }
    fn cin<T: FromStr>(&mut self) -> T {
        while self.buffer.is_empty() {
            let mut line = String::new();
            let _ = self.stdin.read_line(&mut line);
            for w in line.split_whitespace() {
                self.buffer.push_back(String::from(w));
            }
        }
        self.buffer.pop_front().unwrap().parse::<T>().ok().unwrap()
    }
    fn chars(&mut self) -> Vec<char> {
        self.cin::<String>().chars().collect()
    }
    fn vec<T: FromStr>(&mut self, n: usize) -> Vec<T> {
        (0..n).map(|_| self.cin()).collect()
    }
}
fn flush() {
    std::io::stdout().flush().unwrap();
}
#[macro_export]
macro_rules! min {
    (.. $x:expr) => {{
        let mut it = $x.iter();
        it.next().map(|z| it.fold(z, |x, y| min!(x, y)))
    }};
    ($x:expr) => ($x);
    ($x:expr, $($ys:expr),*) => {{
        let t = min!($($ys),*);
        if $x < t { $x } else { t }
    }}
}
#[macro_export]
macro_rules! max {
    (.. $x:expr) => {{
        let mut it = $x.iter();
        it.next().map(|z| it.fold(z, |x, y| max!(x, y)))
    }};
    ($x:expr) => ($x);
    ($x:expr, $($ys:expr),*) => {{
        let t = max!($($ys),*);
        if $x > t { $x } else { t }
    }}
}
#[macro_export]
macro_rules! trace {
    ($x:expr) => {
        #[cfg(debug_assertions)]
        eprintln!(">>> {} = {:?}", stringify!($x), $x)
    };
    ($($xs:expr),*) => { trace!(($($xs),*)) }
}
#[macro_export]
macro_rules! put {
    (.. $x:expr) => {{
        let mut it = $x.iter();
        if let Some(x) = it.next() { print!("{}", x); }
        for x in it { print!(" {}", x); }
        println!("");
    }};
    ($x:expr) => { println!("{}", $x) };
    ($x:expr, $($xs:expr),*) => { print!("{} ", $x); put!($($xs),*) }
}
// }}}
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