test/cpv/library-checker-polynomial/inv_of_polynomials.mints-ms.poly_nttmod-pntt.cpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #define AUTO_GENERATED | ||
| 2 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/inv_of_polynomials | ||
| 3 | #include "../../../src/fps/modinv/lib.hpp" | ||
| 4 | #include "../../../src/io/fastin/lib.hpp" | ||
| 5 | #include "../../../src/io/fastout/lib.hpp" | ||
| 6 | |||
| 7 | using namespace tifa_libs; | ||
| 8 | CEXP u32 MOD = 998244353; | ||
| 9 | |||
| 10 | #include "../../../src/fps/ds/ntt/lib.hpp" | ||
| 11 | #include "../../../src/math/ds/mint/ms/lib.hpp" | ||
| 12 | |||
| 13 | using namespace tifa_libs; | ||
| 14 | using mint = mint_ms<MOD>; | ||
| 15 | using namespace tifa_libs; | ||
| 16 | using poly = polyntt<mint>; | ||
| 17 | |||
| 18 | 18 | int main() { | |
| 19 | u32 n, m; | ||
| 20 | 18 | tifa_libs::fin_uint >> n >> m; | |
| 21 | 18 | poly a(n), b(m); | |
| 22 | 18 | tifa_libs::fin_uint >> a >> b; | |
| 23 | 18 | auto _ = tifa_libs::modinv_fps(a, b); | |
| 24 |
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18 | if (!_) tifa_libs::fout << "-1\n"; |
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17 | else if (_->is_zero()) tifa_libs::fout << "0\n"; |
| 26 | 16 | else tifa_libs::fout << _->size() << '\n' | |
| 27 |
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16 | << _.value() << '\n'; |
| 28 | 18 | return 0; | |
| 29 | 18 | } | |
| 30 |