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package library.ds.pair; import java.util.Objects; /** * C++のstd::pairに相当するクラス * @param <F> * @param <S> */ public class Pair<F extends Comparable<? super F>, S extends Comparable<? super S>> implements Comparable<Pair<F, S>>, Cloneable { public F first; public S second; /** * コンストラクタ * @param first * @param second */ protected Pair(final F first, final S second) { this.first = first; this.second = second; } /** * Pairを宣言するのに使う * new Pairと同等 * @param <F> * @param <S> * @param a first * @param b second */ public static final <F extends Comparable<? super F>, S extends Comparable<? super S>> Pair<F, S> of(final F a, final S b){ return new Pair<>(a, b); } /** * std::pairにはない * @return firstとsecondを入れ替えたPair */ public Pair<S, F> swap(){ return Pair.of(second, first); } @Override public final boolean equals(final Object o) { if(this == o) { return true; } if(o == null || getClass() != o.getClass()) { return false; } final Pair<?, ?> p = (Pair<?, ?>) o; return first.equals(p.first) && second.equals(p.second); } @Override public final int hashCode(){ return Objects.hash(first, second); } @Override public final String toString(){ return "(" + first + ", " + second + ")"; } @SuppressWarnings("unchecked") @Override public final Pair<F, S> clone() { try { return (Pair<F, S>) super.clone(); } catch(final CloneNotSupportedException e){ e.printStackTrace(); } throw new Error(); } @Override public final int compareTo(final Pair<F, S> p) { if(first.compareTo(p.first) == 0) { return second.compareTo(p.second); } return first.compareTo(p.first); } }
Traceback (most recent call last): File "/home/runner/.local/lib/python3.10/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/python3.10/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/pair/Pair.java