test/cpv/library-checker-linear_algebra/system_of_linear_equations.mintd-md64.cpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #define AUTO_GENERATED | ||
| 2 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/system_of_linear_equations | ||
| 3 | #include "../../../src/lalg/mat/ge/lib.hpp" | ||
| 4 | #include "../../../src/lalg/mat/leqs_solver/lib.hpp" | ||
| 5 | |||
| 6 | using namespace tifa_libs; | ||
| 7 | CEXP u32 MOD = 998244353; | ||
| 8 | |||
| 9 | #include "../../../src/math/ds/mint/md64/lib.hpp" | ||
| 10 | |||
| 11 | using namespace tifa_libs; | ||
| 12 | using mint = mint_md64<__LINE__>; | ||
| 13 | using mat = tifa_libs::matrix<mint>; | ||
| 14 | |||
| 15 | 27 | int main() { | |
| 16 | 27 | mint::set_mod(MOD); | |
| 17 |
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27 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 18 | u32 n, m; | ||
| 19 |
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27 | std::cin >> n >> m; |
| 20 | 27 | mat a(n, m), b(n, 1); | |
| 21 | 27 | std::cin >> a >> b; | |
| 22 | |||
| 23 | 1029950 | auto is_0 = [](cT_(mint) x) { return x.val() == 0; }; | |
| 24 | 27 | auto ge = [&is_0](mat& m, bool f) { return tifa_libs::ge_mat(m, is_0, f); }; | |
| 25 | |||
| 26 | 27 | auto res_ = tifa_libs::leqs_solver(a, b, is_0, ge); | |
| 27 |
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27 | if (!res_) |
| 28 |
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6 | std::cout << "-1\n"; |
| 29 | else { | ||
| 30 |
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21 | mat& res = res_.value(); |
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21 | std::cout << res.col() - 1 << '\n'; |
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21 | std::cout << res.trans() << '\n'; |
| 33 | } | ||
| 34 | 27 | return 0; | |
| 35 | 27 | } | |
| 36 |