Test/AtCoder/abc276_f.test.cpp

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• Last update: 2025-06-24 20:48:55+09:00
• Problem: https://onlinejudge.u-aizu.ac.jp/courses/lesson/2/ITP1/1/ITP1_1_A
• Link: https://atcoder.jp/contests/abc276/submissions/67045295
• Link: https://atcoder.jp/contests/abc276/tasks/abc276_f

Depends on

• 加法群 (Src/Algebra/Group/AdditiveGroup.hpp)
• Src/Algebra/Group/GroupConcept.hpp
• Src/Algebra/Monoid/MonoidConcept.hpp
• Src/Algebra/Semigroup/SemigroupConcept.hpp
• Fenwick Tree (Src/DataStructure/FenwickTree/FenwickTree.hpp)
• 標準データ型のエイリアス (Src/Template/TypeAlias.hpp)

Code

#define PROBLEM "https://onlinejudge.u-aizu.ac.jp/courses/lesson/2/ITP1/1/ITP1_1_A"
// #define PROBLEM "https://atcoder.jp/contests/abc276/tasks/abc276_f"

/*
 * AtCoder Beginner Contest 276 F - Double Chance
 * https://atcoder.jp/contests/abc276/submissions/67045295
 */

#include "../../Src/Template/TypeAlias.hpp"
#include "../../Src/DataStructure/FenwickTree/FenwickTree.hpp"
#include "../../Src/Algebra/Group/AdditiveGroup.hpp"

#include <iostream>

using namespace zawa;
#include "atcoder/modint"
using m32 = atcoder::modint998244353;

int main() {
#ifdef ATCODER
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
    std::ios::sync_with_stdio(false);
    usize n; std::cin >> n;

    const usize sz{ 200200 };
    FenwickTree<AdditiveGroup<m32>> ft1(sz), ft2(sz);

    m32 now{};
    m32 ans{};
    for (u32 k{1} ; k <= n ; k++) {
        int in;
        std::cin >> in;
        m32 a = m32::raw(in);
        now += (m32{2} * ft1.prefixProduct(a.val() + 1) + m32{1}) * a;
        now += m32{2} * ft2.product(a.val() + 1, sz);
        ans = now / (m32{k} * m32{k});

        std::cout << ans.val() << '\n';

        ft1.operation(a.val(), m32{1});
        ft2.operation(a.val(), a);
    }
#else
    std::cout << "Hello World\n";
#endif
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.13.5/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/3.13.5/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
    ~~~~~~~~~~~~~~^^^^^^
  File "/opt/hostedtoolcache/Python/3.13.5/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
                ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.13.5/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 260, in _resolve
    raise BundleErrorAt(path, -1, "no such header")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: atcoder/modint: line -1: no such header

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