test/cpv/aizu-grl/grl_7_a.dinic.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/library/5/GRL/all/GRL_7_A/ | ||
| 2 | #include "../../../src/graph/nf/dinic/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 l, r, m; | ||
| 8 |
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40 | std::cin >> l >> r >> m; |
| 9 | 40 | u32 s = l + r, t = l + r + 1; | |
| 10 | 40 | dinic big(l + r + 2); | |
| 11 |
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2922 | flt_ (u32, i, 0, l) big.add(s, i, 1); |
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2931 | flt_ (u32, i, 0, r) big.add(i + l, t, 1); |
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53033 | for (u32 i = 0, u, v; i < m; ++i) std::cin >> u >> v, big.add(u, v + l, 1); |
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40 | std::cout << big.get(s, t) << '\n'; |
| 15 | 40 | return 0; | |
| 16 | 40 | } | |
| 17 |