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:warning: Java/library/ds/unionfind/UnionFind.java

Depends on

Required by

Code

package library.ds.unionfind;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.stream.IntStream;

import library.core.interfaces.DSU;

/**
 * UnionFind
 */
public class UnionFind implements DSU {
	protected final int[] par;
	/**
	 * コンストラクタ
	 * @param n サイズ
	 */
	public UnionFind(final int n) {
		par = new int[n];
		Arrays.fill(par, -1);
	}
	@Override
	public final int root(final int i){ return par[i] >= 0 ? par[i] = root(par[i]) : i; }
	@Override
	public final int size(final int i){ return -par[root(i)]; }
	@Override
	public final int size(){ return par.length; }
	@Override
	public boolean unite(int i, int j) {
		i = root(i);
		j = root(j);
		if(i == j) {
			return false;
		}
		if(i > j) {
			i ^= j;
			j ^= i;
			i ^= j;
		}
		par[i] += par[j];
		par[j] = i;
		return true;
	}
	@Override
	public final ArrayList<ArrayList<Integer>> groups() {
		final int n = par.length;
		ArrayList<ArrayList<Integer>> res = new ArrayList<>(n);
		IntStream.range(0, n).forEach(i -> res.add(new ArrayList<>()));
		IntStream.range(0, n).forEach(i -> res.get(root(i)).add(i));
		res.removeIf(ArrayList::isEmpty);
		return res;
	}
	@Override
	public final String toString(){ return groups().toString(); }
}
Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/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 "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/user_defined.py", line 68, in bundle
    raise RuntimeError('bundler is not specified: {}'.format(str(path)))
RuntimeError: bundler is not specified: Java/library/ds/unionfind/UnionFind.java
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