結果

問題 No.2274 三角彩色
ユーザー akakimidoriakakimidori
提出日時 2023-04-14 22:58:16
言語 Rust
(1.77.0 + proconio)
結果
WA  
実行時間 -
コード長 4,350 bytes
コンパイル時間 12,448 ms
コンパイル使用メモリ 388,452 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-10-10 13:59:26
合計ジャッジ時間 13,920 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
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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 0 ms
5,248 KB
testcase_03 AC 1 ms
5,248 KB
testcase_04 AC 1 ms
5,248 KB
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
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 WA -
testcase_21 WA -
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: unused variable: `n`
  --> src/main.rs:3:9
   |
3  |         n: usize,
   |         ^
   |
help: `n` is captured in macro and introduced a unused variable
  --> src/main.rs:74:13
   |
2  | /     input! {
3  | |         n: usize,
4  | |         m: usize,
5  | |         modulo: u64,
...  |
8  | |         a: [(usize, usize, usize); q],
9  | |     }
   | |_____- in this macro invocation
...
74 |           let $var = read_value!($iter, $t);
   |               ^^^^
   = note: `#[warn(unused_variables)]` on by default
   = note: this warning originates in the macro `input_inner` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)

ソースコード

diff #

fn main() {
    input! {
        n: usize,
        m: usize,
        modulo: u64,
        q: usize,
        e: [(usize, usize); m],
        a: [(usize, usize, usize); q],
    }
    let mut z = e.iter().flat_map(|e| [e.0, e.1]).collect::<Vec<_>>();
    z.sort();
    z.dedup();
    let mut e = e;
    for e in e.iter_mut() {
        e.0 = z.binary_search(&e.0).unwrap();
        e.1 = z.binary_search(&e.1).unwrap();
    }
    let mut dsu = DSU::new(z.len());
    let mut all = 1 % modulo;
    for &(a, b) in e.iter() {
        if dsu.unite(a, b).is_some() {
            all = 2 * all % modulo;
        }
    }
    let all = all;
    let mut base: Vec<Vec<u8>> = vec![];
    let mut t = 1;
    for a in a.iter() {
        let mut b = vec![0u8; m];
        b[a.0] = 1;
        b[a.1] = 1;
        b[a.2] = 1;
        for x in base.iter() {
            let pos = x.iter().position(|x| *x == 1).unwrap();
            if b[pos] == 1 {
                for (b, x) in b.iter_mut().zip(x.iter()) {
                    *b ^= *x;
                }
            }
        }
        if b.iter().any(|b| *b > 0) {
            base.push(b);
            t = 2 * t % modulo;
        }
    }
    println!("{} {}", (all + modulo - t) % modulo, t);
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

#[macro_export]
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_export]
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, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------
//---------- begin union_find ----------
pub struct DSU {
    p: Vec<i32>,
}
impl DSU {
    pub fn new(n: usize) -> DSU {
        assert!(n < std::i32::MAX as usize);
        DSU { p: vec![-1; n] }
    }
    pub fn init(&mut self) {
        self.p.iter_mut().for_each(|p| *p = -1);
    }
    pub fn root(&self, mut x: usize) -> usize {
        assert!(x < self.p.len());
        while self.p[x] >= 0 {
            x = self.p[x] as usize;
        }
        x
    }
    pub fn same(&self, x: usize, y: usize) -> bool {
        assert!(x < self.p.len() && y < self.p.len());
        self.root(x) == self.root(y)
    }
    pub fn unite(&mut self, x: usize, y: usize) -> Option<(usize, usize)> {
        assert!(x < self.p.len() && y < self.p.len());
        let mut x = self.root(x);
        let mut y = self.root(y);
        if x == y {
            return None;
        }
        if self.p[x] > self.p[y] {
            std::mem::swap(&mut x, &mut y);
        }
        self.p[x] += self.p[y];
        self.p[y] = x as i32;
        Some((x, y))
    }
    pub fn parent(&self, x: usize) -> Option<usize> {
        assert!(x < self.p.len());
        let p = self.p[x];
        if p >= 0 {
            Some(p as usize)
        } else {
            None
        }
    }
    pub fn sum<F>(&self, mut x: usize, mut f: F) -> usize
    where
        F: FnMut(usize),
    {
        while let Some(p) = self.parent(x) {
            f(x);
            x = p;
        }
        x
    }
    pub fn size(&self, x: usize) -> usize {
        assert!(x < self.p.len());
        let r = self.root(x);
        (-self.p[r]) as usize
    }
}
//---------- end union_find ----------

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