Bell Number (verify/poly/bell.test.cpp)

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• Last update: 2026-01-06 23:59:05+01:00
• Problem: https://judge.yosupo.jp/problem/bell_number

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 Bell Number
#define PROBLEM "https://judge.yosupo.jp/problem/bell_number"
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#include "cp-algo/math/poly.hpp"
#include <bits/stdc++.h>

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::expx(n+1) - polyn(1)).exp_inplace(n+1).invborel().print(n+1);
}

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++	0_00	AC	10 ms	8 MB
g++	100000_00	AC	89 ms	24 MB
g++	10000_00	AC	22 ms	11 MB
g++	1000_00	AC	14 ms	10 MB
g++	100_00	AC	13 ms	10 MB
g++	1_00	AC	13 ms	10 MB
g++	200000_00	AC	163 ms	36 MB
g++	300000_00	AC	323 ms	59 MB
g++	400000_00	AC	336 ms	59 MB
g++	500000_00	AC	347 ms	62 MB
g++	example_00	AC	14 ms	10 MB

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