test/cpv/library-checker-graph/general_matching.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/general_matching/ | ||
| 2 | #include "../../../src/graph/blossom/u/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 12 | int main() { | |
| 6 |
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12 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 7 | u32 n, m; | ||
| 8 |
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12 | std::cin >> n >> m; |
| 9 | 12 | blossom bl(n); | |
| 10 |
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109314 | for (u32 i = 0, u, v; i < m; ++i) { |
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109302 | std::cin >> u >> v; |
| 12 | 109302 | bl.add_edge(u + 1, v + 1); | |
| 13 | } | ||
| 14 | 12 | auto res = bl(); | |
| 15 |
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12 | std::cout << res.size() << '\n'; |
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1563 | for (auto [u, v] : res) std::cout << u - 1 << ' ' << v - 1 << '\n'; |
| 17 | 12 | return 0; | |
| 18 | 12 | } | |
| 19 |