verification/library-checker/lca/src/main.rs

View this file on GitHub
Last update: 2025-06-21 02:45:26+09:00
Problem: https://judge.yosupo.jp/problem/lca

Depends on

tree/euler-tour/src/lib.rs

Code

// verification-helper: PROBLEM https://judge.yosupo.jp/problem/lca

use proconio::input;

use euler_tour::EulerTour;

fn main() {
    std::thread::Builder::new()
        .stack_size(64 * 1024 * 1024)
        .spawn(actual_main)
        .unwrap()
        .join()
        .unwrap();
}

fn actual_main() {
    input! {
        n: usize,
        q: usize,
        p: [usize; n - 1],
        uv: [(usize, usize); q],
    }
    let mut et = EulerTour::<usize>::new(n);
    for (i, &p) in p.iter().enumerate() {
        et.add_edge(i + 1, p, 0);
        et.add_edge(p, i + 1, 0);
    }
    et.init(0);
    for (u, v) in uv {
        println!("{}", et.lca(u, v));
    }
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.11.12/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
    bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.11.12/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/rust.py", line 288, in bundle
    raise NotImplementedError
NotImplementedError