test/cpv/library-checker-linear_algebra/inverse_matrix.mintd-bd.cpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #define AUTO_GENERATED | ||
| 2 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/inverse_matrix | ||
| 3 | #include "../../../src/lalg/ds/mat/lib.hpp" | ||
| 4 | #include "../../../src/lalg/mat/ge/lib.hpp" | ||
| 5 | #include "../../../src/lalg/mat/inv/lib.hpp" | ||
| 6 | |||
| 7 | using namespace tifa_libs; | ||
| 8 | CEXP u32 MOD = 998244353; | ||
| 9 | |||
| 10 | #include "../../../src/math/ds/mint/bd/lib.hpp" | ||
| 11 | |||
| 12 | using namespace tifa_libs; | ||
| 13 | using mint = mint_bd<__LINE__>; | ||
| 14 | using mat = tifa_libs::matrix<mint>; | ||
| 15 | |||
| 16 | 26 | int main() { | |
| 17 | 26 | mint::set_mod(MOD); | |
| 18 |
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26 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 19 | u32 n; | ||
| 20 |
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26 | std::cin >> n; |
| 21 | 26 | mat a(n, n); | |
| 22 | 26 | std::cin >> a; | |
| 23 | 3825020 | auto is_0 = [](cT_(mint) x) { return x.val() == 0; }; | |
| 24 | 26 | auto ge = [&is_0](mat& m, bool f) { return tifa_libs::ge_mat(m, is_0, f); }; | |
| 25 | 26 | auto res = tifa_libs::inv_mat(a, is_0, ge); | |
| 26 |
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26 | if (res) |
| 27 |
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18 | std::cout << res.value(); |
| 28 | else | ||
| 29 |
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8 | std::cout << "-1\n"; |
| 30 | 26 | return 0; | |
| 31 | 26 | } | |
| 32 |