test/cpv/aizu-grl/grl_3_b.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/library/5/GRL/all/GRL_3_B | ||
| 2 | #include "../../../src/graph/scc/v_bcc/lib.hpp" | ||
| 3 | #include "../../../src/io/pair/lib.hpp" | ||
| 4 | |||
| 5 | using namespace tifa_libs; | ||
| 6 | 40 | int main() { | |
| 7 |
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40 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 8 | u32 n, m; | ||
| 9 |
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40 | std::cin >> n >> m; |
| 10 | 40 | alist g(n); | |
| 11 |
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129133 | for (u32 i = 0, u, v; i < m; ++i) { |
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129093 | std::cin >> u >> v; |
| 13 | 129093 | g.add_edge(u, v); | |
| 14 | } | ||
| 15 | 40 | v_bcc<false, true, false> bcc(g); | |
| 16 |
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2214 | std::ranges::sort(bcc.ecut, {}, [](auto CR x) { return std::minmax(x.first, x.second); }); |
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366 | for (auto [u, v] : bcc.ecut) std::cout << std::minmax(u, v) << '\n'; |
| 18 | 40 | return 0; | |
| 19 | 40 | } | |
| 20 |