Inv of Power Series (verify/poly/inv.test.cpp)

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• Last update: 2025-12-12 22:29:00+01:00
• Problem: https://judge.yosupo.jp/problem/inv_of_formal_power_series

Depends on

• cp-algo/math/affine.hpp
• cp-algo/math/combinatorics.hpp
• cp-algo/math/common.hpp
• cp-algo/math/cvector.hpp
• cp-algo/math/fft.hpp
• cp-algo/math/poly.hpp
• cp-algo/math/poly/impl/div.hpp
• cp-algo/math/poly/impl/euclid.hpp
• cp-algo/number_theory/discrete_sqrt.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 Power Series
#define PROBLEM "https://judge.yosupo.jp/problem/inv_of_formal_power_series"
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
//#include "blazingio/blazingio.min.hpp"
#include "cp-algo/math/poly.hpp"

using namespace std;
using namespace cp_algo::math;

const int mod = 998244353;
using base = modint<mod>;
using polyn = poly_t<base>;

void solve() {
    int n;
    cin >> n;
    polyn::Vector a(n);
    for(auto &it: a) {cin >> it;}
    polyn(a).inv_inplace(n).print(n);
}

signed main() {
    //freopen("input.txt", "r", stdin);
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    while(t--) {
        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++	example_00	AC	5 ms	4 MB
g++	max_random_00	AC	151 ms	51 MB
g++	max_random_01	AC	156 ms	51 MB
g++	max_random_02	AC	152 ms	51 MB
g++	max_random_03	AC	155 ms	51 MB
g++	max_random_04	AC	149 ms	51 MB
g++	max_random_or_zero_00	AC	147 ms	51 MB
g++	near_262144_00	AC	83 ms	29 MB
g++	near_262144_01	AC	80 ms	29 MB
g++	near_262144_02	AC	117 ms	46 MB
g++	random_00	AC	133 ms	49 MB
g++	random_01	AC	150 ms	51 MB
g++	random_02	AC	23 ms	9 MB
g++	random_03	AC	143 ms	50 MB
g++	random_04	AC	120 ms	47 MB
g++	small_degree_00	AC	5 ms	4 MB
g++	small_degree_01	AC	5 ms	4 MB
g++	small_degree_02	AC	4 ms	4 MB
g++	small_degree_03	AC	5 ms	4 MB
g++	small_degree_04	AC	5 ms	4 MB
g++	small_degree_05	AC	5 ms	4 MB
g++	small_degree_06	AC	5 ms	4 MB
g++	small_degree_07	AC	5 ms	4 MB
g++	small_degree_08	AC	5 ms	4 MB
g++	small_degree_09	AC	5 ms	4 MB

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