This documentation is automatically generated by online-judge-tools/verification-helper
// verification-helper: PROBLEM https://onlinejudge.u-aizu.ac.jp/problems/2667
use hld::HLD;
use proconio::{fastout, input};
use raq_rsq::RAQRSQ;
#[fastout]
fn main() {
input! {
n: usize,
q: usize,
a_b: [(usize, usize); n - 1],
}
let mut graph = vec![vec![]; n];
for (a, b) in a_b {
graph[a].push(b);
graph[b].push(a);
}
let hld = HLD::new(graph, 0);
let mut ft = RAQRSQ::new(n, 0_i64);
for _ in 0..q {
input! {
t: usize,
a: usize,
b: usize,
}
if t == 0 {
let mut sum = 0;
for path in hld.path(a, b, false) {
match path {
hld::Path::Ascending(l, r) => {
sum += ft.sum(l..r);
}
hld::Path::Descending(l, r) => {
sum += ft.sum(l..r);
}
}
}
println!("{}", sum);
} else {
let (l, r) = hld.subtree(a, false);
ft.add(l..r, b as i64);
}
}
}Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.13.9/x64/lib/python3.13/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/3.13.9/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/rust.py", line 288, in bundle
raise NotImplementedError
NotImplementedError