組み合わせ nCkのテスト
(tests/number.combination.test.cpp)

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• Last update: 2026-01-19 13:31:13+09:00
• Problem: https://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP1_1_A

Depends on

• 組み合わせ nCk (library/number/combination.hpp)
• テンプレート (template/template.hpp)

Code

#define PROBLEM                                                                \
    "https://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP1_1_A"
#include "template/template.hpp"
#include "library/number/combination.hpp"
void test_combination() {
    // ケース1: 基本的な組み合わせ
    // 5C2 = (5 * 4) / (2 * 1) = 10
    assert(combination(5, 2) == 10ll);
    // ケース2: nC0 と nCn は常に 1
    assert(combination(5, 0) == 1ll);
    assert(combination(5, 5) == 1ll);
    // ケース3: k > n の場合は 0 (定義に基づく)
    assert(combination(3, 5) == 0ll);
    // ケース4: k < 0 の場合は 0
    assert(combination(5, -1) == 0ll);
    // ケース5: nC1 は n
    assert(combination(10, 1) == 10ll);
    // ケース6: 少し大きめの値
    // 15C7 = 6435
    assert(combination(15, 7) == 6435ll);
    // ケース7: パスカルの三角形の対称性 (nCk == nC(n-k))
    // 10C3 == 10C7 == 120
    assert(combination(10, 3) == 120ll);
    assert(combination(10, 7) == 120ll);
}
/**
 * @brief 組み合わせ nCkのテスト
 */
void solve() {
    print("Hello World");
    test_combination();
}

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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