test/cpv/aizu-grl/grl_3_a.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/library/5/GRL/all/GRL_3_A | ||
| 2 | #include "../../../src/graph/scc/v_bcc/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 40 | int main() { | |
| 6 |
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40 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 7 | u32 n, m; | ||
| 8 |
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40 | std::cin >> n >> m; |
| 9 | 40 | alist g(n); | |
| 10 |
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129133 | for (u32 i = 0, u, v; i < m; ++i) { |
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129093 | std::cin >> u >> v; |
| 12 | 129093 | g.add_edge(u, v); | |
| 13 | } | ||
| 14 | 40 | v_bcc<true, false, false> bcc(g); | |
| 15 |
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46348 | flt_ (u32, i, 0, n) |
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46308 | if (bcc.vcut[i]) std::cout << i << '\n'; |
| 17 | 40 | return 0; | |
| 18 | 40 | } | |
| 19 |