test/cpv/library-checker-graph/three_edge_connected_components.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/three_edge_connected_components | ||
| 2 | #include "../../../src/graph/scc/e_tcc/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 20 | int main() { | |
| 6 |
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20 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 7 | u32 n, m; | ||
| 8 |
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20 | std::cin >> n >> m; |
| 9 | 20 | alist g(n); | |
| 10 |
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1537846 | for (u32 i = 0, u, v; i < m; ++i) { |
| 11 |
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1537826 | std::cin >> u >> v; |
| 12 | 1537826 | g.add_edge(u, v); | |
| 13 | } | ||
| 14 | 20 | e_tcc tcc(g); | |
| 15 |
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20 | std::cout << tcc.belongs.size() << '\n'; |
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805615 | for (auto&& b : tcc.belongs) { |
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805595 | std::cout << b.size(); |
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1955096 | for (auto x : b) |
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1149501 | std::cout << ' ' << x; |
| 20 |
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805595 | std::cout << '\n'; |
| 21 | } | ||
| 22 | 20 | return 0; | |
| 23 | 20 | } | |
| 24 |