QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#263828#7738. Equivalent Rewritingucup-team635#WA 0ms2172kbRust3.6kb2023-11-25 08:46:292023-11-25 08:46:29

Judging History

你现在查看的是最新测评结果

  • [2023-11-25 08:46:29]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:2172kb
  • [2023-11-25 08:46:29]
  • 提交

answer

mod util {
    pub trait Join {
        fn join(self, sep: &str) -> String;
    }

    impl<T, I> Join for I
    where
        I: Iterator<Item = T>,
        T: std::fmt::Display,
    {
        fn join(self, sep: &str) -> String {
            let mut s = String::new();
            use std::fmt::*;
            for (i, v) in self.enumerate() {
                if i > 0 {
                    write!(&mut s, "{}", sep).ok();
                }
                write!(&mut s, "{}", v).ok();
            }
            s
        }
    }
}

// ---------- begin scannner ----------
#[allow(dead_code)]
mod scanner {
    use std::str::FromStr;
    pub struct Scanner<'a> {
        it: std::str::SplitWhitespace<'a>,
    }
    impl<'a> Scanner<'a> {
        pub fn new(s: &'a String) -> Scanner<'a> {
            Scanner {
                it: s.split_whitespace(),
            }
        }
        pub fn next<T: FromStr>(&mut self) -> T {
            self.it.next().unwrap().parse::<T>().ok().unwrap()
        }
        pub fn next_bytes(&mut self) -> Vec<u8> {
            self.it.next().unwrap().bytes().collect()
        }
        pub fn next_chars(&mut self) -> Vec<char> {
            self.it.next().unwrap().chars().collect()
        }
        pub fn next_vec<T: FromStr>(&mut self, len: usize) -> Vec<T> {
            (0..len).map(|_| self.next()).collect()
        }
    }
}
// ---------- end scannner ----------

use std::collections::*;
use std::io::Write;

type Map<K, V> = BTreeMap<K, V>;
type Set<T> = BTreeSet<T>;
type Deque<T> = VecDeque<T>;

fn main() {
    use std::io::Read;
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut sc = scanner::Scanner::new(&s);
    let out = std::io::stdout();
    let mut out = std::io::BufWriter::new(out.lock());
    run(&mut sc, &mut out);
}

fn run<W: Write>(sc: &mut scanner::Scanner, out: &mut std::io::BufWriter<W>) {
    let t: u32 = sc.next();
    for _ in 0..t {
        let n: usize = sc.next();
        let m: usize = sc.next();
        let mut res = vec![0; m];
        let mut op = vec![];
        for _ in 0..n {
            let k: usize = sc.next();
            let mut p = vec![0usize; k];
            for (i, p) in p.iter_mut().enumerate() {
                *p = sc.next::<usize>() - 1;
                res[*p] = i + 1;
            }
            op.push(p);
        }
        let res = res;
        let mut cnt = vec![0; n];
        let mut list = vec![vec![]; m];
        let mut h = std::collections::BinaryHeap::new();
        for (x, (cnt, p)) in cnt.iter_mut().zip(op.iter()).enumerate() {
            for (i, &p) in p.iter().enumerate() {
                if res[p] != i + 1 {
                    *cnt += 1;
                    list[p].push(x);
                }
            }
            if *cnt == 0 {
                h.push(!x);
            }
        }
        let mut ans = vec![];
        while let Some(v) = h.pop() {
            let v = !v;
            ans.push(v + 1);
            for (i, &p) in op[v].iter().enumerate() {
                if i + 1 == res[p] {
                    for u in list[p].drain(..) {
                        cnt[u] -= 1;
                        if cnt[u] == 0 {
                            h.push(!u);
                        }
                    }
                }
            }
        }
        ans.reverse();
        if ans.windows(2).any(|a| a[0] > a[1]) {
            writeln!(out, "Yes").ok();
            use util::*;
            writeln!(out, "{}", ans.iter().join(" ")).ok();
        } else {
            writeln!(out, "No").ok();
        }
    }
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 2172kb

input:

3
3 6
3 3 1 5
2 5 3
2 2 6
2 3
3 1 3 2
2 3 1
1 3
2 2 1

output:

Yes
3 1 2
No
No

result:

ok OK. (3 test cases)

Test #2:

score: 0
Accepted
time: 0ms
memory: 1972kb

input:

1
10 5
2 2 4
4 1 3 4 2
1 2
3 2 1 4
4 5 2 4 3
3 2 5 4
3 5 4 2
3 1 3 2
5 1 4 2 3 5
1 4

output:

Yes
8 7 6 5 4 3 2 1 9 10

result:

ok OK. (1 test case)

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 2160kb

input:

1
20 5
5 4 1 2 5 3
2 5 3
3 5 1 2
5 4 5 1 3 2
3 4 2 5
5 3 1 5 4 2
5 5 1 2 3 4
1 3
4 5 1 2 3
4 4 1 3 5
2 5 2
4 2 3 5 1
3 2 4 5
5 2 3 4 1 5
4 5 2 4 3
1 2
2 4 3
4 4 5 3 1
5 4 1 5 3 2
3 5 1 3

output:

Yes
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 3 1 4 2 20

result:

wrong answer two transactions are not equivalent. (test case 1)