test/cpv/library-checker-graph/eulerian_trail_undirected.cpp
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| 1 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/eulerian_trail_undirected | ||
| 2 | #include "../../../src/graph/euler_trail/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 27 | int main() { | |
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27 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 7 | u32 t; | ||
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27 | std::cin >> t; |
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24449 | while (t--) { |
| 10 | u32 n, m; | ||
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24422 | std::cin >> n >> m; |
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24422 | vecptu e(m); |
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5024449 | for (auto& [u, v] : e) std::cin >> u >> v; |
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24422 | if (auto res = euler_trail<false>(n, e); !res) { |
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7452 | std::cout << "No\n"; |
| 16 | } else { | ||
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16970 | std::cout << "Yes\n"; |
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16970 | auto et = res.value(); |
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3475889 | flt_ (u32, i, 0, (u32)et.size()) std::cout << et[i].first << " \n"[i + 1 == et.size()]; |
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16970 | if (et.size() == 1) std::cout << '\n'; |
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3458919 | flt_ (u32, i, 1, (u32)et.size()) std::cout << et[i].second << " \n"[i + 1 == et.size()]; |
| 22 | 41392 | } | |
| 23 | 24422 | } | |
| 24 | 27 | return 0; | |
| 25 | } | ||
| 26 |