Inv of Bivariate Formal Power Series (verify/math/bivariate_inv.test.cpp)

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• Last update: 2026-02-20 00:31:19+01:00
• Problem: https://judge.yosupo.jp/problem/inv_of_formal_power_series_2d

Depends on

• cp-algo/math/common.hpp
• cp-algo/math/cvector.hpp
• cp-algo/math/fft.hpp
• cp-algo/math/multivar.hpp
• cp-algo/math/multivar_inv.hpp
• cp-algo/number_theory/modint.hpp
• cp-algo/random/rng.hpp
• cp-algo/util/big_alloc.hpp
• cp-algo/util/checkpoint.hpp
• cp-algo/util/complex.hpp
• cp-algo/util/simd.hpp

Code

// @brief Inv of Bivariate Formal Power Series
#define PROBLEM "https://judge.yosupo.jp/problem/inv_of_formal_power_series_2d"
#pragma GCC optimize("O3,unroll-loops")
#include <bits/allocator.h>
#define CP_ALGO_CHECKPOINT
#pragma GCC target("avx2")
#include <bits/stdc++.h>
#include "blazingio/blazingio.min.hpp"
#include "cp-algo/math/multivar_inv.hpp"

using namespace std;
using namespace cp_algo::math::fft;

const int mod = 998244353;
using base = cp_algo::math::modint<mod>;

void solve() {
    size_t n, m;
    cin >> n >> m;
    std::array<size_t, 2> dim{m, n};
    multivar<base> a(dim);
    a.read();
    auto b = multivar_inv(a, dim);
    b.print();
    cp_algo::checkpoint<1>();
}

signed main() {
    //freopen("input.txt", "r", stdin);
    ios::sync_with_stdio(0);
    cin.tie(0);
    solve();
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj_resolve/resolver.py", line 181, in resolve
    bundled_code = language.bundle(path, basedir=basedir)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus.py", line 252, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 327, in update
    assert len(lines) == len(uncommented_lines)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError

Test cases

Env	Name	Status	Elapsed	Memory
g++	degX100_00	AC	532 ms	124 MB
g++	degX10_00	AC	533 ms	124 MB
g++	degX2_00	AC	372 ms	123 MB
g++	degY100_00	AC	540 ms	125 MB
g++	degY10_00	AC	531 ms	124 MB
g++	degY2_00	AC	374 ms	123 MB
g++	example_00	AC	6 ms	6 MB
g++	maxDegX_00	AC	370 ms	123 MB
g++	maxDegY_00	AC	371 ms	123 MB
g++	maxDeg_00	AC	358 ms	117 MB
g++	maxDeg_01	AC	365 ms	121 MB
g++	maxDeg_02	AC	528 ms	123 MB
g++	randomSquare_00	AC	510 ms	127 MB
g++	randomSquare_01	AC	511 ms	126 MB
g++	randomSquare_02	AC	504 ms	126 MB
g++	randomSquare_03	AC	512 ms	126 MB
g++	randomSquare_04	AC	513 ms	126 MB
g++	random_00	AC	357 ms	117 MB
g++	random_01	AC	368 ms	121 MB
g++	random_02	AC	341 ms	115 MB
g++	random_03	AC	361 ms	119 MB
g++	random_04	AC	345 ms	112 MB
g++	smallDeg_00	AC	6 ms	6 MB
g++	smallDeg_01	AC	5 ms	6 MB
g++	smallDeg_02	AC	5 ms	6 MB
g++	smallDeg_03	AC	5 ms	6 MB
g++	smallDeg_04	AC	5 ms	6 MB
g++	square_00	AC	508 ms	126 MB

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