test/cpv/aizu-grl/grl_2_b.cpp
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| 1 | // competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/library/5/GRL/2/GRL_2_B | ||
| 2 | #include "../../../src/graph/mst/cle/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 25 | int main() { | |
| 6 |
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25 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 7 | u32 n, m, r; | ||
| 8 |
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25 | std::cin >> n >> m >> r; |
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25 | vec<edge_t<u64>> arcs(m); |
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10176 | for (auto& [w, u, v] : arcs) std::cin >> u >> v >> w; |
| 11 | 25 | auto res = cle(n, r, arcs); | |
| 12 | 25 | u64 ans = 0; | |
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1101 | for (auto [w, u, v] : res) ans += w; |
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25 | std::cout << ans << '\n'; |
| 15 | 25 | return 0; | |
| 16 | 25 | } | |
| 17 |