test/cpv/library-checker-geo/manhattanmst.cpp
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| 1 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/manhattanmst/ | ||
| 2 | #include "../../../src/graph/mst/kruskal/lib.hpp" | ||
| 3 | #include "../../../src/graph/mst/manhattan/lib.hpp" | ||
| 4 | |||
| 5 | using namespace tifa_libs; | ||
| 6 | 16 | int main() { | |
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16 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 8 | u32 n; | ||
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16 | std::cin >> n; |
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16 | vecptii vp(n); |
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2129753 | for (auto& [x, y] : vp) std::cin >> x >> y; |
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16 | auto res = manhattan_mst(vp); |
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16 | std::ranges::sort(res); |
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16 | auto mst = kruskal(res, n); |
| 15 | 16 | i64 sum = 0; | |
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2129753 | flt_ (u32, u, 0, n) |
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6389179 | for (auto [v, w] : mst[u]) |
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4259442 | if (v > u) sum += w; |
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16 | std::cout << sum << '\n'; |
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2129753 | flt_ (u32, u, 0, n) |
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6389179 | for (auto [v, w] : mst[u]) |
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4259442 | if (v > u) std::cout << u << ' ' << v << '\n'; |
| 23 | 16 | return 0; | |
| 24 | 16 | } | |
| 25 |