Mo's algorithmのテスト
(tests/various.mo.test.cpp)

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• Last update: 2026-01-20 20:11:22+09:00
• Problem: https://judge.yosupo.jp/problem/static_range_inversions_query

Depends on

• Fenwick Tree (library/segtree/fenwick_tree.hpp)
• 座標圧縮 (library/sequence/compressor.hpp)
• Mo's algorithm (library/various/mo.hpp)
• テンプレート (template/template.hpp)

Code

#define PROBLEM "https://judge.yosupo.jp/problem/static_range_inversions_query"
#include "template/template.hpp"
#include "library/sequence/compressor.hpp"
#include "library/segtree/fenwick_tree.hpp"
#include "library/various/mo.hpp"
/**
 * @brief Mo's algorithmのテスト
 */
void solve() {
    int N, Q;
    cin >> N >> Q;
    vector<int> A(N);
    cin >> A;
    Mo mo(N, Q);
    for (int i = 0; i < Q; ++i) {
        int l, r;
        cin >> l >> r;
        mo.add_query(l, r);
    }
    Compressor zip(A);
    A = zip.get_all();
    FenwickTree fwk(zip.size());
    int64_t inv = 0, all = 0;
    vector<int64_t> ans(Q);
    auto add_left = [&](int idx) {
        inv += fwk.sum(A[idx] - 1);
        fwk.add(A[idx], 1);
        all++;
    };
    auto add_right = [&](int idx) {
        inv += all - fwk.sum(A[idx]);
        fwk.add(A[idx], 1);
        ++all;
    };
    auto erase_left = [&](int idx) {
        fwk.add(A[idx], -1);
        --all;
        inv -= fwk.sum(A[idx] - 1);
    };
    auto erase_right = [&](int idx) {
        fwk.add(A[idx], -1);
        --all;
        inv -= all - fwk.sum(A[idx]);
    };
    auto query = [&](int idx) { ans[idx] = inv; };
    mo.calclate_queries(add_left, add_right, erase_left, erase_right, query);
    for (auto &p : ans) print(p);
}

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/cplusplus.py", line 187, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 400, in update
    raise BundleErrorAt(path, i + 1, "unable to process #include in #if / #ifdef / #ifndef other than include guards")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: template/template.hpp: line 7: unable to process #include in #if / #ifdef / #ifndef other than include guards

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