src/convolution/and_convolution.py

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Last update: 2023-07-16 16:38:14+09:00
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Verified with

src/$tests/convolution/and_convolution.test.py

Code

def and_convolution(A, B, MOD=-1):
    n = max(len(A), len(B))
    l = (n - 1).bit_length()
    n = 1 << l
    A += [0] * (n - len(A))
    B += [0] * (n - len(B))

    def f(A):
        for i in range(l):
            for bit in range(n):
                if not bit >> i & 1:
                    A[bit] += A[bit ^ (1 << i)]
                    if MOD != -1:
                        A[bit] %= MOD

    def invf(A):
        for i in range(l):
            for bit in range(n):
                if not bit >> i & 1:
                    A[bit] -= A[bit ^ (1 << i)]
                    if MOD != -1:
                        A[bit] %= MOD

    f(A)
    f(B)
    if MOD != -1:
        C = [a * b % MOD for a, b in zip(A, B)]
    else:
        C = [a * b for a, b in zip(A, B)]
    invf(C)
    return C

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 81, in _render_source_code_stat
    bundled_code = language.bundle(
                   ^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/python.py", line 108, in bundle
    raise NotImplementedError
NotImplementedError