#368016 (Rust) No.807 umg tours

• 問題: No.807 umg tours
• ユーザー: MasuqaT
• 提出日時: 2019-08-13 00:08:21
• 言語: Rust (1.77.0 + proconio)
• 結果: WA
• 実行時間: -
• コード長: 6,660 bytes
• コンパイル時間: 14,095 ms
• コンパイル使用メモリ: 379,764 KB
• 実行使用メモリ: 37,216 KB
• 最終ジャッジ日時: 2024-09-17 20:36:50
• 合計ジャッジ時間: 20,680 ms
• ジャッジサーバーID （参考情報）: judge4 / judge6

入力	結果	実行時間; 実行使用メモリ
testcase_00	WA	-
testcase_01	WA	-
testcase_02	WA	-
testcase_03	WA	-
testcase_04	WA	-
testcase_05	WA	-
testcase_06	WA	-
testcase_07	WA	-
testcase_08	AC	1 ms; 6,944 KB
testcase_09	WA	-
testcase_10	WA	-
testcase_11	WA	-
testcase_12	WA	-
testcase_13	WA	-
testcase_14	WA	-
testcase_15	WA	-
testcase_16	WA	-
testcase_17	WA	-
testcase_18	WA	-
testcase_19	WA	-
testcase_20	AC	170 ms; 21,792 KB
testcase_21	AC	165 ms; 22,588 KB
testcase_22	AC	66 ms; 10,752 KB
testcase_23	AC	51 ms; 8,960 KB
testcase_24	AC	179 ms; 29,872 KB
testcase_25	WA	-

ソースコード

// Macro by MasuqaT (occar421)
// https://github.com/occar421/ProgrammingContest/tree/master/templates/src/standard_io.rs

use std::io;
use std::io::{BufRead, Write};
use std::ops::{Rem, Div, Mul};
use std::fmt::Display;
use std::collections::{HashMap, VecDeque};
use std::cmp::min;

// From https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    (stdin = $s:expr, $($r:tt)*) => {
        let s = {
            let mut s = String::new();
            $s.read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};

    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };

    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };

    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };

    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };

    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}

#[allow(unused_macros)]
macro_rules! assert_judge {
    ($method:ident, $input:expr, $expected:expr) => {
        {
            let input = $input.as_bytes();
            let mut output = Vec::new();

            $method(&input[..], &mut output);

            let output = String::from_utf8(output).expect("Not UTF-8");

            assert_eq!(output, $expected);
        }
    };
}

#[allow(unused_macros)]
macro_rules! assert_judge_with_output {
    ($method:ident, $input:expr) => {
        {
            let input = $input.as_bytes();
            let mut output = Vec::new();

            $method(&input[..], &mut output);

            String::from_utf8(output).expect("Not UTF-8")
        }
    };
}

#[allow(unused_macros)]
macro_rules! assert_eq_with_error {
    ($left:expr, $right:expr, $precision:expr) => ({
        match (&$left, &$right, &$precision) {
            (left_val, right_val, precision_val) => {
                if !(*left_val - *precision_val < *right_val && *right_val < *left_val + *precision_val) {
                    // The reborrows below are intentional. Without them, the stack slot for the
                    // borrow is initialized even before the values are compared, leading to a
                    // noticeable slow down.
                    panic!(r#"assertion failed: `(left == right) +- precision`
      left: `{:?}`,
     right: `{:?}`,
 precision: `{:?}`"#, &*left_val, &*right_val, &*precision_val)
                }
            }
        }
    });
}

#[allow(unused_macros)]
macro_rules! assert_judge_with_error {
    ($method:ident, $input:expr, $expected:expr, $t:ty | $precision:expr ) => {
        {
            let input = $input.as_bytes();
            let mut output = Vec::new();

            $method(&input[..], &mut output);

            let output = String::from_utf8(output).expect("Not UTF-8");

            let actual: $t = output.parse().unwrap();
            let expected: $t = $expected.parse().unwrap();

            assert_eq_with_error!(actual, expected, $precision);
        }
    };
}

pub trait GenericInteger: Copy + PartialEq + Rem<Output=Self> + Div<Output=Self> + Mul<Output=Self> {
    fn zero() -> Self;
}

macro_rules! dec_gi {
    () => {};
    ($t:ty $(, $r:ty)*) => {
        impl GenericInteger for $t {
            #[inline]
            fn zero() -> Self { 0 }
        }

        dec_gi![ $( $r ),* ];
    };
}

dec_gi![u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize];

#[allow(dead_code)]
pub fn gcd<T>(a: T, b: T) -> T where T: GenericInteger {
    if b == T::zero() {
        a
    } else {
        gcd(b, a % b)
    }
}

#[allow(dead_code)]
#[inline]
pub fn lcm<T>(a: T, b: T) -> T where T: GenericInteger {
    a / gcd(a, b) * b
}

pub trait IterExt<T> where T: Display {
    fn easy_join(&mut self, separator: &str) -> String;
}

impl<TItem, TTrait> IterExt<TItem> for TTrait where TItem: Display, TTrait: Iterator<Item=TItem> {
    #[inline]
    fn easy_join(&mut self, separator: &str) -> String {
        self.map(|i| format!("{}", i)).collect::<Vec<_>>().join(separator)
    }
}

fn main() {
    let stdio = io::stdin();
    let input = stdio.lock();

    let output = io::stdout();

    process(input, output);
}

fn process<R, W>(mut reader: R, mut writer: W) -> () where
    R: BufRead,
    W: Write {
    input! {
        stdin = reader,
        n: usize, m: usize,
        abc: [(usize1, usize1, usize); m]
    }
    let abc: Vec<(usize, usize, usize)> = abc;

    // after checkin editor's note :(
    let mut distance_map = vec![HashMap::new(); n];
    for (i, j, d) in abc.iter() {
        distance_map[*i].insert(*j, *d);
        distance_map[*j].insert(*i, *d);
    }

    // Dijkstra, with (distance from 1 without ticket, $ with ticket)
    let mut point_data: Vec<(usize, usize)> = vec![(std::usize::MAX, std::usize::MAX); n];
    point_data[0] = (0, 0);
    // (current, target)
    let mut queue = VecDeque::new();
    for &target in distance_map[0].keys() {
        queue.push_back((0, target));
    }
    while let Some((current, target)) = queue.pop_front() {
        let d = distance_map[current][&target];
        let is_first_visit = point_data[target].0 == std::usize::MAX;
        point_data[target] = (min(point_data[target].0, point_data[current].0 + d),
                              min(min(point_data[target].1, point_data[current].1 + d), point_data[current].0 /* use ticket */));
        if is_first_visit {
            for &target_of_target in distance_map[target].keys() {
                if target_of_target != current {
                    queue.push_back((target, target_of_target));
                }
            }
        }
    }

    // min dist with ticket + min dist without ticket
    for point_datum in point_data {
        let _ = writeln!(writer, "{}", point_datum.0 + point_datum.1);
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn sample1() {
        assert_judge!(process, "\
5 6
1 2 2
1 3 3
1 4 4
2 5 10
3 5 7
4 5 8
", "\
0
2
3
4
12
");
    }

    #[test]
    fn sample2() {
        assert_judge!(process, "\
6 8
1 2 5
2 6 8
1 3 3
3 5 2
5 6 1
1 4 6
4 5 2
1 6 10
", "\
0
5
3
6
6
6
");
    }
}